A dump/restore using pg_dumpall or use of pg_upgrade or logical replication is required for those wishing to migrate data from any previous release. See Section 18.6 for general information on migrating to new major releases.
\nVersion 17 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
\nA dump/restore is not required for those running 17.X.
\nHowever, the first three security entries below describe configuration adjustments and data cleanups that you may need to make after updating.
\nAlso, if you use contrib/btree_gist or contrib/ltree, you may need to reindex indexes made with those extensions; see the relevant entries below.
Also, if you are upgrading from a version earlier than 17.6, see Section E.6.
", "compatibility_count": 0, "label": "17.11", "status_label": "Supported", "eol": "2029-11-08", "age_days": 47, "support_days": 1136}, "groups": [{"date": "2026-08-13", "build": "17.11", "major": "17", "minor": 11, "manual": "17", "status": "stable", "doc_git": "", "version": "17.11", "eol_date": "2029-11-08", "date_text": "2026-08-13", "supported": true, "manual_url": "/docs/17/release-17-11.html", "source_url": "/docs/release/17.11/", "entry_count": 109, "placeholder": false, "content_hash": "f74d21ad6247b97678eefe3bead018fa4ee58db3a76e7c54b095617c6f080c7e", "manual_build": "17.11", "source_as_of": "", "changes_count": 109, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 17.X.
\nHowever, the first three security entries below describe configuration adjustments and data cleanups that you may need to make after updating.
\nAlso, if you use contrib/btree_gist or contrib/ltree, you may need to reindex indexes made with those extensions; see the relevant entries below.
Also, if you are upgrading from a version earlier than 17.6, see Section E.6.
", "compatibility_count": 0, "label": "17.11", "status_label": "Supported", "eol": "2029-11-08", "age_days": 47, "support_days": 1136, "entries": [{"id": "17.11-ccab0c809e14d029", "cves": ["CVE-2026-6471"], "html": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries (Jacob Champion) § §
Previously, a replication user could select any loadable library for logical decoding, allowing exploits of various sorts. To allow locking this down without breaking setups that worked before, introduce a whitelist of allowed output plugins.
\nBy default, only the output plugins shipped as part of PostgreSQL (pgoutput and test_decoding) are included in output_plugin_libraries. Installations that rely on other output plugins must add them after updating the server, for example
output_plugin_libraries = 'pgoutput, test_decoding, my_trusted_decoder'\n\n
Additionally, pg_upgrade --check will fail if the output_plugin_libraries parameter on the new cluster does not permit the plugins of logical replication slots on the old cluster, when migrating from versions 17 and later. Make necessary additions to the new cluster's setting before performing pg_upgrade.
The PostgreSQL Project thanks Vladimir Tokarev and Yu Kunpeng for reporting this problem. (CVE-2026-6471)
", "text": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries (Jacob Champion) § § Previously, a replication user could select any loadable library for logical decoding, allowing exploits of various sorts. To allow locking this down without breaking setups that worked before, introduce a whitelist of allowed output plugins. By default, only the output plugins shipped as part of PostgreSQL (pgoutput and test_decoding) are included in output_plugin_libraries. Installations that rely on other output plugins must add them after updating the server, for example output_plugin_libraries = 'pgoutput, test_decoding, my_trusted_decoder' Additionally, pg_upgrade --check will fail if the output_plugin_libraries parameter on the new cluster does not permit the plugins of logical replication slots on the old cluster, when migrating from versions 17 and later. Make necessary additions to the new cluster's setting before performing pg_upgrade. The PostgreSQL Project thanks Vladimir Tokarev and Yu Kunpeng for reporting this problem. (CVE-2026-6471)", "title": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries", "commits": ["01992176e", "4fcccea97"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "e647da816fe9b0fcbfcecd952c47187db1a2be508ae8f7d1877872c29d0f7de6", "section_path": ["Changes"], "commit_groups": [["01992176e", "226e49cbe", "2a29b607d", "4e1252ee5", "5d47df21e", "99f205407", "bf3842a64"], ["20e9dcefd", "4fcccea97", "7082ce248", "82fd68801"]], "identity_text": "Restrict logical decoding output plugins to the set specified by a new server parameter output_plugin_libraries (Jacob Champion) Previously, a replication user could select any loadable library for logical decoding, allowing exploits of various sorts. To allow locking this down without breaking setups that worked before, introduce a whitelist of allowed output plugins. By default, only the output plugins shipped as part of PostgreSQL (pgoutput and test_decoding) are included in output_plugin_libraries. Installations that rely on other output plugins must add them after updating the server, for example output_plugin_libraries = 'pgoutput, test_decoding, my_trusted_decoder' Additionally, pg_upgrade --check will fail if the output_plugin_libraries parameter on the new cluster does not permit the plugins of logical replication slots on the old cluster, when migrating from versions 17 and later. Make necessary additions to the new cluster's setting before performing pg_upgrade. The PostgreSQL Project thanks Vladimir Tokarev and Yu Kunpeng for reporting this problem. 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Previously, if OpenSSL rejected the requested cipher (for example, because it is running in FIPS mode, or the legacy provider hasn't been loaded), pgcrypto failed to notice the failure and simply XOR'd the non-encrypted block with the plaintext, rendering the “encryption” trivially breakable. This will typically occur with deprecated or non-FIPS cipher algorithms (cipher-algo=blowfish/bf, twofish, cast5, or 3des).
\nBy default, pgcrypto will now fail to decrypt any messages that were affected in this way. To allow retrieval of such data, a new option ignore-cipher-failure has been added to pgp_pub_decrypt() and pgp_sym_decrypt(). Setting ignore-cipher-failure=1 will restore their previous behavior, allowing the faulty encryption wrapper to be stripped off:
pgp_sym_decrypt(encrypted_column, any key, 'ignore-cipher-failure=1')\n\nOnce the affected messages are identified and stripped of their wrappers, they can then be re-encrypted with a modern algorithm. It is important however that the behavior of OpenSSL be the same as it was when the faulty messages were created: if the set of unsupported algorithms is not the same, this approach will not work. See the documentation for ignore-cipher-failure.
The PostgreSQL Project thanks Shishir Sharma for reporting this problem. (CVE-2026-14663)
", "text": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers (Daniel Gustafsson) § § Previously, if OpenSSL rejected the requested cipher (for example, because it is running in FIPS mode, or the legacy provider hasn't been loaded), pgcrypto failed to notice the failure and simply XOR'd the non-encrypted block with the plaintext, rendering the “encryption” trivially breakable. This will typically occur with deprecated or non-FIPS cipher algorithms (cipher-algo=blowfish/bf, twofish, cast5, or 3des). By default, pgcrypto will now fail to decrypt any messages that were affected in this way. To allow retrieval of such data, a new option ignore-cipher-failure has been added to pgp_pub_decrypt() and pgp_sym_decrypt(). Setting ignore-cipher-failure=1 will restore their previous behavior, allowing the faulty encryption wrapper to be stripped off: pgp_sym_decrypt(encrypted_column, any key, 'ignore-cipher-failure=1') Once the affected messages are identified and stripped of their wrappers, they can then be re-encrypted with a modern algorithm. It is important however that the behavior of OpenSSL be the same as it was when the faulty messages were created: if the set of unsupported algorithms is not the same, this approach will not work. See the documentation for ignore-cipher-failure. The PostgreSQL Project thanks Shishir Sharma for reporting this problem. (CVE-2026-14663)", "title": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers", "commits": ["7eed42aa8", "b05cfc693"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "c131d453f626b34f3771dc3dfb482d0d12e4d08421871d685142d70b7b145c7e", "section_path": ["Changes"], "commit_groups": [["472ef7e4a", "6ca6023ca", "7e29eb6f4", "b05cfc693", "ba207f58f", "d0ecee6de", "fe32b10fc"], ["49e795414", "4c5128ca0", "7eed42aa8", "953be116c", "ba2a63faf", "d97b3f58c", "e2c48c81f"]], "identity_text": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers (Daniel Gustafsson) Previously, if OpenSSL rejected the requested cipher (for example, because it is running in FIPS mode, or the legacy provider hasn't been loaded), pgcrypto failed to notice the failure and simply XOR'd the non-encrypted block with the plaintext, rendering the encryption trivially breakable. This will typically occur with deprecated or non-FIPS cipher algorithms (cipher-algo=blowfish/bf, twofish, cast5, or 3des). By default, pgcrypto will now fail to decrypt any messages that were affected in this way. To allow retrieval of such data, a new option ignore-cipher-failure has been added to pgp_pub_decrypt() and pgp_sym_decrypt(). Setting ignore-cipher-failure=1 will restore their previous behavior, allowing the faulty encryption wrapper to be stripped off: pgp_sym_decrypt(encrypted_column, any key, 'ignore-cipher-failure=1') Once the affected messages are identified and stripped of their wrappers, they can then be re-encrypted with a modern algorithm. It is important however that the behavior of OpenSSL be the same as it was when the faulty messages were created: if the set of unsupported algorithms is not the same, this approach will not work. See the documentation for ignore-cipher-failure. The PostgreSQL Project thanks Shishir Sharma for reporting this problem. (CVE-2026-14663)", "commit_aliases": ["472ef7e4a", "49e795414", "4c5128ca0", "6ca6023ca", "7e29eb6f4", "7eed42aa8", "953be116c", "b05cfc693", "ba207f58f", "ba2a63faf", "d0ecee6de", "d97b3f58c", "e2c48c81f", "fe32b10fc"], "source_commits": ["7eed42aa8", "b05cfc693"], "source_entry_id": "17.11/changes/002", "db_id": "379745809d65e827e6739e3818394675", "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f", "relations": [{"rule": 2, "type": "equivalent", "target": "28125c4ed11f62e12267d5aa58f29ab4", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}}, {"rule": 2, "type": "equivalent", "target": "5487cefec946cc3b492ec90f8407bbc0", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}}, {"rule": 2, "type": "equivalent", "target": "a686eb51b6b69a27a6ba670a1473120d", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}}, {"rule": 2, "type": "equivalent", "target": "e8d5337224696bc194016b8a5269940d", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "e8d5337224696bc194016b8a5269940d", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}, "url": "/docs/compare/?release=18.6#18.6-bfaa3421904d3a41", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "5487cefec946cc3b492ec90f8407bbc0", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}, "url": "/docs/compare/?release=16.15#16.15-8ceb116fc33c62af", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "28125c4ed11f62e12267d5aa58f29ab4", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}, "url": "/docs/compare/?release=15.19#15.19-09644d5ff1559695", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "a686eb51b6b69a27a6ba670a1473120d", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix contrib/pgcrypto's PGP encryption to detect unsupported ciphers", "evidence": {"same_day": true, "patch_ids": ["0c0f3075fa6d42cb4f237a14111f3f86", "94579ce6ea64094f97312d8046fcb082"], "statement_hash": "f9b50dfe772a85830e7ce5570ba2e751618ceca0e1ebf0653490632965de190f"}, "url": "/docs/compare/?release=14.24#14.24-fdda567fdb9d909d", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-8dd81897faaffe37", "cves": ["CVE-2026-6464"], "html": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN (Tom Lane) § §
Previously, if a COPY command failed at startup (for instance, because the target table doesn't exist) psql would not realize that and would proceed to read the following in-line data as SQL commands. In the best case that's wrong and in the worst case it's a SQL-injection hazard. Teach psql to recognize syntactically-valid COPY ... FROM STDIN commands and to skip data on its own authority if the server doesn't respond with PGRES_COPY_IN.
While this fix is unlikely to affect any production SQL scripts, test scripts might intentionally exercise failing COPY ... FROM STDIN commands. Those will need to gain a \\. data terminator line after each such command.
The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2026-6464)
", "text": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN (Tom Lane) § § Previously, if a COPY command failed at startup (for instance, because the target table doesn't exist) psql would not realize that and would proceed to read the following in-line data as SQL commands. In the best case that's wrong and in the worst case it's a SQL-injection hazard. Teach psql to recognize syntactically-valid COPY ... FROM STDIN commands and to skip data on its own authority if the server doesn't respond with PGRES_COPY_IN. While this fix is unlikely to affect any production SQL scripts, test scripts might intentionally exercise failing COPY ... FROM STDIN commands. Those will need to gain a \\. data terminator line after each such command. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2026-6464)", "title": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN", "commits": ["46fa1f6f3", "dca6627de"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "b3f28a7521c132d0240d2e41137917fd177fc3a94e6b3acb5bd0a9630eb7a4b2", "section_path": ["Changes"], "commit_groups": [["29921259e", "2bdfd5cdc", "3045a25ba", "3fdcfa8f7", "46fa1f6f3", "5c51ae455", "d6ab88d37"], ["7215c7e96", "8cdbabea7", "8cf01e213", "900894d35", "cf754f741", "db96e87f9", "dca6627de"]], "identity_text": "Fix psql to skip in-line data following a scripted COPY ... FROM STDIN command, even if the COPY fails before sending PGRES_COPY_IN (Tom Lane) Previously, if a COPY command failed at startup (for instance, because the target table doesn't exist) psql would not realize that and would proceed to read the following in-line data as SQL commands. In the best case that's wrong and in the worst case it's a SQL-injection hazard. Teach psql to recognize syntactically-valid COPY ... FROM STDIN commands and to skip data on its own authority if the server doesn't respond with PGRES_COPY_IN. While this fix is unlikely to affect any production SQL scripts, test scripts might intentionally exercise failing COPY ... FROM STDIN commands. Those will need to gain a \\. data terminator line after each such command. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. 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EXECUTE and FETCH use two portals: an outer one for the statement itself, and an inner one running the query being executed on its behalf. It was previously possible to make the declared row types of the two portals diverge, leading to server memory disclosure and arbitrary code execution.
The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) and Peter Geoghegan for reporting this problem. (CVE-2026-16239)
", "text": "Cross-check the output row type of a portal running EXECUTE or FETCH (Robert Haas) § EXECUTE and FETCH use two portals: an outer one for the statement itself, and an inner one running the query being executed on its behalf. It was previously possible to make the declared row types of the two portals diverge, leading to server memory disclosure and arbitrary code execution. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) and Peter Geoghegan for reporting this problem. (CVE-2026-16239)", "title": "Cross-check the output row type of a portal running EXECUTE or FETCH", "commits": ["60887d348"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "d4a4a73c08aaccd5e19ce6f5b5e250a10e4ef195435dfd65da03edd9f7b7915c", "section_path": ["Changes"], "commit_groups": [["1f49beef2", "37b8f3b0e", "60887d348", "64a65ead1", "7d150b5c9", "9e02e2e18", "fc933ce00"]], "identity_text": "Cross-check the output row type of a portal running EXECUTE or FETCH (Robert Haas) EXECUTE and FETCH use two portals: an outer one for the statement itself, and an inner one running the query being executed on its behalf. It was previously possible to make the declared row types of the two portals diverge, leading to server memory disclosure and arbitrary code execution. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) and Peter Geoghegan for reporting this problem. (CVE-2026-16239)", "commit_aliases": ["1f49beef2", "37b8f3b0e", "60887d348", "64a65ead1", "7d150b5c9", "9e02e2e18", "fc933ce00"], "source_commits": ["60887d348"], "source_entry_id": "17.11/changes/004", "db_id": "3ec84f87545930ce1036d071dad3e665", "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073", "relations": [{"rule": 2, "type": "equivalent", "target": "35f9a631aba647241e1c1fe3a3c4c269", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}}, {"rule": 2, "type": "equivalent", "target": "5b8818230400246029db8b181a69938c", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}}, {"rule": 2, "type": "equivalent", "target": "e2286cb0c701bb465fa540c1d4a45071", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}}, {"rule": 2, "type": "equivalent", "target": "e9fc65bf1c23945887e9b1904d08b935", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "5b8818230400246029db8b181a69938c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Cross-check the output row type of a portal running EXECUTE or FETCH", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}, "url": "/docs/compare/?release=18.6#18.6-cdf902a8952d780f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "35f9a631aba647241e1c1fe3a3c4c269", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Cross-check the output row type of a portal running EXECUTE or FETCH", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}, "url": "/docs/compare/?release=16.15#16.15-82e9952b24a8b230", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "e2286cb0c701bb465fa540c1d4a45071", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Cross-check the output row type of a portal running EXECUTE or FETCH", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}, "url": "/docs/compare/?release=15.19#15.19-1912ca9b594fe54f", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "e9fc65bf1c23945887e9b1904d08b935", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Cross-check the output row type of a portal running EXECUTE or FETCH", "evidence": {"same_day": true, "patch_ids": ["bca9a8aea055bf40b974631f891c3459"], "statement_hash": "6bfdff724b157ff6ff7a59fd5879e05c524cc0a5a96ac58a33fa9750cc2db073"}, "url": "/docs/compare/?release=14.24#14.24-741f9481441d702d", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-9aaf551ddc6d8e1b", "cves": ["CVE-2026-14669"], "html": "Fix buffer overrun with long time zone abbreviation in to_char() (Tom Lane) §
This can easily crash the server, and exploits leading to arbitrary code execution have been reported.
\nThe PostgreSQL Project thanks Hcamael, Amjad Shahzad, Tan Zhen of AntAISecurityLab, Tomer Fichman, Zheng Yu, Amy Burnett (OpenAI Codex Security), Rick de Jager, Heewon Song, Sylvie Mayer, Aleksander Alekseev, and Hillai Ben Sasson for reporting this problem. (CVE-2026-14669)
", "text": "Fix buffer overrun with long time zone abbreviation in to_char() (Tom Lane) § This can easily crash the server, and exploits leading to arbitrary code execution have been reported. The PostgreSQL Project thanks Hcamael, Amjad Shahzad, Tan Zhen of AntAISecurityLab, Tomer Fichman, Zheng Yu, Amy Burnett (OpenAI Codex Security), Rick de Jager, Heewon Song, Sylvie Mayer, Aleksander Alekseev, and Hillai Ben Sasson for reporting this problem. (CVE-2026-14669)", "title": "Fix buffer overrun with long time zone abbreviation in to_char()", "commits": ["12a620686"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "e48e09d9e3c9a825e6ba8cae1c58c126b12b0aa1fb2f25d571ebc8683cc7915c", "section_path": ["Changes"], "commit_groups": [["12a620686", "3294ab839", "3d724bf4f", "4fafe2380"], ["2cf28d1b9", "331016322", "5dbeb69bc", "5fb3c6389", "8f64cc83f", "b614de487", "bef46aed3"]], "identity_text": "Fix buffer overrun with long time zone abbreviation in to_char() (Tom Lane) This can easily crash the server, and exploits leading to arbitrary code execution have been reported. The PostgreSQL Project thanks Hcamael, Amjad Shahzad, Tan Zhen of AntAISecurityLab, Tomer Fichman, Zheng Yu, Amy Burnett (OpenAI Codex Security), Rick de Jager, Heewon Song, Sylvie Mayer, Aleksander Alekseev, and Hillai Ben Sasson for reporting this problem. (CVE-2026-14669)", "commit_aliases": ["12a620686", "2cf28d1b9", "3294ab839", "331016322", "3d724bf4f", "4fafe2380", "5dbeb69bc", "5fb3c6389", "8f64cc83f", "b614de487", "bef46aed3"], "source_commits": ["12a620686", "5dbeb69bc"], "source_entry_id": "17.11/changes/005", "db_id": "bf82a2510c4dfe4309435e9bce0ab3a4", "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", "relations": [{"rule": 2, "type": "equivalent", "target": "027ccc17f71deb2b38e14fc8cc82dccd", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}, {"rule": 2, "type": "equivalent", "target": "1b34d3e2b18d75096fd2914d3673446c", "evidence": {"same_day": true, "patch_ids": 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["8d6dc29f16ca43220ac734ee400f5ee9"]}}, {"rule": 2, "type": "related", "target": "b17ef22f538327cabf0726e1b3f902cc", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"], "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}, {"rule": 2, "type": "related", "target": "bfa74492dd2c8ed5f4b0a4321cb63c85", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"], "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}, {"rule": 2, "type": "equivalent", "target": "bfa88fa3d381bbc9b7ee7a8614ea363c", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}, {"rule": 2, "type": "related", "target": "ea24770278021c00f25a8b13bceb2a2c", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"], "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "1ba572e4a9f5584ecce320e293d4b258", "kind": "related", "version": "18.6", "label": "18.6", "title": "Fix cascading standby reconnect failure after archive fallback", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"], "ambiguous_patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9"]}, "url": "/docs/compare/?release=18.6#18.6-e75bd84b8c02b997", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "1b34d3e2b18d75096fd2914d3673446c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix buffer overrun with long time zone abbreviation in to_char()", "evidence": {"same_day": true, "patch_ids": ["8d6dc29f16ca43220ac734ee400f5ee9", "f6e281e04c97bcdc5fa29a25f60517ca"], "statement_hash": "07a38d896c94ef2711ebb1c7c66bf1537f00d81b7488271a922229ab5b8f1962", 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\nIf passed invalidly-encoded data, these functions could write past the end of their conversion buffer.
\nThe PostgreSQL Project thanks Francesco Verardi for reporting this problem. (CVE-2026-14664)
", "text": "Fix buffer overrun in regexp match/split functions (Masahiko Sawada) § If passed invalidly-encoded data, these functions could write past the end of their conversion buffer. The PostgreSQL Project thanks Francesco Verardi for reporting this problem. (CVE-2026-14664)", "title": "Fix buffer overrun in regexp match/split functions", "commits": ["e91dcfcca"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "bf5c77bf66898797fd437c8fb0f97f830ad88679a21767983bbe1e8a9b0d2940", "section_path": ["Changes"], "commit_groups": [["127a0673f", "3179253c2", "343aabf1d", "7df2aa8ef", "890327639", "b7e5c3f63", "e91dcfcca"]], "identity_text": "Fix buffer overrun in regexp match/split functions (Masahiko Sawada) If passed invalidly-encoded data, these functions could write past the end of their conversion buffer. The PostgreSQL Project thanks Francesco Verardi for reporting this problem. (CVE-2026-14664)", "commit_aliases": ["127a0673f", "3179253c2", "343aabf1d", "7df2aa8ef", "890327639", "b7e5c3f63", "e91dcfcca"], "source_commits": ["e91dcfcca"], "source_entry_id": "17.11/changes/006", "db_id": "ee60c1b700f965a0913e70294c9927f5", "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444", "relations": [{"rule": 2, "type": "equivalent", "target": "2dff40febce19283ae38aa647816cd73", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}, {"rule": 2, "type": "equivalent", "target": "31c6d0327b9be4008171a2064e268f6c", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}, {"rule": 2, "type": "equivalent", "target": "8e5a5f5c59f91019e7f4f9160ae97951", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}, {"rule": 2, "type": "equivalent", "target": "ee22496a80ac478c7a0e734782b86377", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "31c6d0327b9be4008171a2064e268f6c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=18.6#18.6-94204615ddc5390c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "2dff40febce19283ae38aa647816cd73", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=16.15#16.15-81cf49bd6b870f85", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "ee22496a80ac478c7a0e734782b86377", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=15.19#15.19-8a672df6043ea295", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "8e5a5f5c59f91019e7f4f9160ae97951", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix buffer overrun in regexp match/split functions", "evidence": {"same_day": true, "patch_ids": ["0cfa785ead8bfc886613fffe5a36e1bc"], "statement_hash": "966f554e1e936775481250a24075b22027e89685eec1e0c08a9bfd4f761ad444"}, "url": "/docs/compare/?release=14.24#14.24-e8fecccd48726ac8", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-e6de3d1ea5ee5a52", "cves": ["CVE-2026-18024"], "html": "Harden the ascii() function against invalid input (Michael Paquier) §
By supplying invalidly-encoded input, this function could be coaxed to read and return a few bytes of data that it shouldn't. In assert-enabled builds, its assertions could be triggered too.
\nThe PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-18024)
", "text": "Harden the ascii() function against invalid input (Michael Paquier) § By supplying invalidly-encoded input, this function could be coaxed to read and return a few bytes of data that it shouldn't. In assert-enabled builds, its assertions could be triggered too. The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-18024)", "title": "Harden the ascii() function against invalid input", "commits": ["849da8210"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "4b6d84db9304a6c8fbc7182e7b84611ba213108b7e06f7b9941c114487a2e63f", "section_path": ["Changes"], "commit_groups": [["08e812c02", "3b925133b", "42d333a78", "80ce920a5", "849da8210", "a16c31d39", "ac450853d"]], "identity_text": "Harden the ascii() function against invalid input (Michael Paquier) By supplying invalidly-encoded input, this function could be coaxed to read and return a few bytes of data that it shouldn't. In assert-enabled builds, its assertions could be triggered too. The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-18024)", "commit_aliases": ["08e812c02", "3b925133b", "42d333a78", "80ce920a5", "849da8210", "a16c31d39", "ac450853d"], "source_commits": ["849da8210"], "source_entry_id": "17.11/changes/007", "db_id": "12383fa89e42b03b68791e4222af5d42", "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3", "relations": [{"rule": 2, "type": "equivalent", "target": "28116a0caca0f02980e6eaa33ad62878", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}, {"rule": 2, "type": "equivalent", "target": "3fcea79a14fe4f9b97afbae1d619ffdf", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}, {"rule": 2, "type": "equivalent", "target": "5a7d1cc5fb2e41a7a2acbb0c59894992", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}, {"rule": 2, "type": "equivalent", "target": "776c34393ca8da3ea9c128e3d7219ad3", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "28116a0caca0f02980e6eaa33ad62878", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=18.6#18.6-4a45e658fb69cefb", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "5a7d1cc5fb2e41a7a2acbb0c59894992", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=16.15#16.15-483eebd2875e58ea", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "3fcea79a14fe4f9b97afbae1d619ffdf", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=15.19#15.19-7d22c46c0b1e985e", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "776c34393ca8da3ea9c128e3d7219ad3", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Harden the ascii() function against invalid input", "evidence": {"same_day": true, "patch_ids": ["55b264296776b9b13ab6e5f986e375f2"], "statement_hash": "30f93fe9d01d5c3e7f51b7ee86b38f0ddd66109774cc7f5bd732db874c26c1a3"}, "url": "/docs/compare/?release=14.24#14.24-7c4016acc1446315", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-ba8cb69723cdb335", "cves": ["CVE-2026-16238"], "html": "Fix multirange type handling in pg_restore_attribute_stats() (OpenAI Security Research Team)
pg_restore_attribute_stats() treated multirange types just like their underlying range type. This works correctly for the bounds histogram, but it was wrong for all the other statistics kinds.
The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. (CVE-2026-16238)
", "text": "Fix multirange type handling in pg_restore_attribute_stats() (OpenAI Security Research Team) pg_restore_attribute_stats() treated multirange types just like their underlying range type. This works correctly for the bounds histogram, but it was wrong for all the other statistics kinds. The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. (CVE-2026-16238)", "title": "Fix multirange type handling in pg_restore_attribute_stats()", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "307fae39b42e66fdb916abdaa0d4a62270ca6fbb1038040ff752f2c348b63a99", "section_path": ["Changes"], "commit_groups": [["08454e8b2", "57835938f", "b3d9262bb"], ["8d428c6e6"]], "identity_text": "Fix multirange type handling in pg_restore_attribute_stats() (OpenAI Security Research Team) pg_restore_attribute_stats() treated multirange types just like their underlying range type. This works correctly for the bounds histogram, but it was wrong for all the other statistics kinds. The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. 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This expectation will hold for all the built-in operators that use this estimator, but a maliciously-constructed operator could violate it, leading to a crash or server memory disclosure.
\nThe PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14668)
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The documented limits were not enforced in all code paths.
\nThe PostgreSQL Project thanks Yuhang Wu, Zhenpeng Lin, Zheng Yu, and Hcamael for reporting these problems. (CVE-2026-14662)
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Notably, the server's actual limit on the number of arguments to an aggregate function is FUNC_MAX_ARGS - 1, but the parser failed to enforce that, creating hazards downstream.
The PostgreSQL Project thanks Zheng Yu, ylwangtju, and Masahiko Sawada for reporting these problems. (CVE-2026-14679)
", "text": "Fix various places that mistakenly assumed they would not have to deal with more than FUNC_MAX_ARGS function arguments (Tom Lane) § § Notably, the server's actual limit on the number of arguments to an aggregate function is FUNC_MAX_ARGS - 1, but the parser failed to enforce that, creating hazards downstream. The PostgreSQL Project thanks Zheng Yu, ylwangtju, and Masahiko Sawada for reporting these problems. 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The PostgreSQL Project thanks Zheng Yu, ylwangtju, and Masahiko Sawada for reporting these problems. 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The existing defenses against doing this have been shown to be insufficient, so add more explicit checks.
\nThe PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. (CVE-2026-14680)
", "text": "Reject calls from SQL to functions that take or return type internal (Tom Lane) § § The existing defenses against doing this have been shown to be insufficient, so add more explicit checks. The PostgreSQL Project thanks Amy Burnett (OpenAI Codex Security) for reporting this problem. 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Previously, the role running ALTER TABLE gained ownership of such objects, but that seems inappropriate.
The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2026-6469)
", "text": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE (Masahiko Sawada) § Previously, the role running ALTER TABLE gained ownership of such objects, but that seems inappropriate. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2026-6469)", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "commits": ["75a03c569"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "b343ca503a0d824e36e767e15a33bd5faea3c4e58b41fa64d84f9b10e771142d", "section_path": ["Changes"], "commit_groups": [["6713a6e04", "70a3b4e18", "75a03c569", "7c3367ab5", "93b93f28f", "a1fa24127", "fb6d1ca8d"]], "identity_text": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE (Masahiko Sawada) Previously, the role running ALTER TABLE gained ownership of such objects, but that seems inappropriate. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2026-6469)", "commit_aliases": ["6713a6e04", "70a3b4e18", "75a03c569", "7c3367ab5", "93b93f28f", "a1fa24127", "fb6d1ca8d"], "source_commits": ["75a03c569"], "source_entry_id": "17.11/changes/013", "db_id": "a511c71fb1c56e7bba21699bf176d02f", "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6", "relations": [{"rule": 2, "type": "equivalent", "target": "4ce18d2a1cf23ef6c7ff55c667d59eae", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}, {"rule": 2, "type": "equivalent", "target": "a45d7275fb35413aaeeb017f13dfbf83", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}, {"rule": 2, "type": "equivalent", "target": "ddb05610c858789527b1369d30b4bb1c", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}, {"rule": 2, "type": "equivalent", "target": "f73abeba4ef827229ec4b724b2dbde1b", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4ce18d2a1cf23ef6c7ff55c667d59eae", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=18.6#18.6-c42539c16ee68f2f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a45d7275fb35413aaeeb017f13dfbf83", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=16.15#16.15-e8ff71640bff6e1b", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "ddb05610c858789527b1369d30b4bb1c", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=15.19#15.19-b4f58a948680ef82", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "f73abeba4ef827229ec4b724b2dbde1b", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Preserve the ownership of extended statistics objects when they are rebuilt by ALTER TABLE", "evidence": {"same_day": true, "patch_ids": ["c847f131eaad282f5fa724ff040f1fc2"], "statement_hash": "855872db5602ac9ec63e8c9b362b906eef0f29c2ae3da9a0473220149fc815a6"}, "url": "/docs/compare/?release=14.24#14.24-dd4b41945f77ff4b", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-2bafbd49437d6dde", "cves": ["CVE-2026-15741"], "html": "When deparsing an EXTRACT() function call, quote the field name if needed (Nathan Bossart) §
The parser accepts any string literal as a field name in EXTRACT(), deferring validation to execution. If the call is stored and deparsed (for example during pg_dump), the string body was regurgitated verbatim, allowing SQL injection.
The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15741)
", "text": "When deparsing an EXTRACT() function call, quote the field name if needed (Nathan Bossart) § The parser accepts any string literal as a field name in EXTRACT(), deferring validation to execution. If the call is stored and deparsed (for example during pg_dump), the string body was regurgitated verbatim, allowing SQL injection. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15741)", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "commits": ["5981fe370"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "d70a69903555490b6f656724c94b3a0adbc04a328180d90cacd3913e5c170033", "section_path": ["Changes"], "commit_groups": [["0ddd9098a", "44ea6764b", "5981fe370", "5e5ea74e3", "967acab87", "a3832a757", "f9729b507"]], "identity_text": "When deparsing an EXTRACT() function call, quote the field name if needed (Nathan Bossart) The parser accepts any string literal as a field name in EXTRACT(), deferring validation to execution. If the call is stored and deparsed (for example during pg_dump), the string body was regurgitated verbatim, allowing SQL injection. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15741)", "commit_aliases": ["0ddd9098a", "44ea6764b", "5981fe370", "5e5ea74e3", "967acab87", "a3832a757", "f9729b507"], "source_commits": ["5981fe370"], "source_entry_id": "17.11/changes/014", "db_id": "9677e1d0e314b1250191bf908cc27099", "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef", "relations": [{"rule": 2, "type": "equivalent", "target": "0b6c8ce7fe6e116e2bb99be5e53dff29", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}, {"rule": 2, "type": "equivalent", "target": "46e3e259f29471b862d3a1eeaae97525", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}, {"rule": 2, "type": "equivalent", "target": "57a69063ff0b7f44b253f158536bbc64", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}, {"rule": 2, "type": "equivalent", "target": "7c6c8c33a06891c077c2444b81e229fb", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "57a69063ff0b7f44b253f158536bbc64", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=18.6#18.6-323a1fc7b03b6859", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "46e3e259f29471b862d3a1eeaae97525", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=16.15#16.15-b95737c58db91b67", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "0b6c8ce7fe6e116e2bb99be5e53dff29", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=15.19#15.19-a14e35e1025f9ddc", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "7c6c8c33a06891c077c2444b81e229fb", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "When deparsing an EXTRACT() function call, quote the field name if needed", "evidence": {"same_day": true, "patch_ids": ["f0b1d31c8ffb5349b650b0e3b88706ad"], "statement_hash": "8fb62033eeb6ede7911fce4b990d20a94bf88226d146867552627bcce9f533ef"}, "url": "/docs/compare/?release=14.24#14.24-6222e3f0de511b22", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-575634f97737603c", "cves": ["CVE-2026-6470"], "html": "Check for USAGE privilege on data types in places that formerly failed to check that (Nathan Bossart) § § §
CREATE TYPE AS RANGE did not check, nor did ALTER TABLE OF, nor did commands that create stored expressions. These omissions allowed roles without USAGE privilege to nonetheless create objects depending on the type, possibly blocking the type's owner from changing the type later.
The PostgreSQL Project thanks Jingzhou Fu for reporting this problem. (CVE-2026-6470)
", "text": "Check for USAGE privilege on data types in places that formerly failed to check that (Nathan Bossart) § § § CREATE TYPE AS RANGE did not check, nor did ALTER TABLE OF, nor did commands that create stored expressions. These omissions allowed roles without USAGE privilege to nonetheless create objects depending on the type, possibly blocking the type's owner from changing the type later. The PostgreSQL Project thanks Jingzhou Fu for reporting this problem. (CVE-2026-6470)", "title": "Check for USAGE privilege on data types in places that formerly failed to check that", "commits": ["671359605", "d1c8aa0b0", "fd6d3e7e9"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "c9caf2b030187d7cd06db477690c1a9948b3cc6e98cb1da81afc68603aea8eb1", "section_path": ["Changes"], "commit_groups": [["1a358b8f2", "278053843", "424fb7160", "4fac4c108", "6dbedd48b", "7ce056b17", "d1c8aa0b0"], ["24855357c", "2e91f8548", "323af0a4e", "97e277402", "a9f6e768a", "efdb26072", "fd6d3e7e9"], ["53ed5ebd8", "57f59ca1d", "671359605", "7a761fe40", "b6e45b4f8", "bb1bc525d", "c062734cd"]], "identity_text": "Check for USAGE privilege on data types in places that formerly failed to check that (Nathan Bossart) CREATE TYPE AS RANGE did not check, nor did ALTER TABLE OF, nor did commands that create stored expressions. These omissions allowed roles without USAGE privilege to nonetheless create objects depending on the type, possibly blocking the type's owner from changing the type later. The PostgreSQL Project thanks Jingzhou Fu for reporting this problem. 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\nRole membership, role attribute, and database ownership changes may impact the expected behavior of row-level security policies, but previously we'd continue to use cached plans that were made according to the old state of affairs.
\nThe PostgreSQL Project thanks Ilya Staroverov and Shinya Kato for reporting this problem. (CVE-2026-14666)
", "text": "Invalidate role-dependent cached plans after role changes (Ilya Staroverov, Shinya Kato, Nathan Bossart) § Role membership, role attribute, and database ownership changes may impact the expected behavior of row-level security policies, but previously we'd continue to use cached plans that were made according to the old state of affairs. The PostgreSQL Project thanks Ilya Staroverov and Shinya Kato for reporting this problem. (CVE-2026-14666)", "title": "Invalidate role-dependent cached plans after role changes", "commits": ["1974acf23"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "db95b8767b3fdb62db67d479cf3d6de2dfd9db45e0c156d1ccffa4b66d024f0b", "section_path": ["Changes"], "commit_groups": [["0b12f56bf", "17b6083db", "1974acf23", "567286b76", "f4174aa84", "f5f2da795", "ffca23839"]], "identity_text": "Invalidate role-dependent cached plans after role changes (Ilya Staroverov, Shinya Kato, Nathan Bossart) Role membership, role attribute, and database ownership changes may impact the expected behavior of row-level security policies, but previously we'd continue to use cached plans that were made according to the old state of affairs. The PostgreSQL Project thanks Ilya Staroverov and Shinya Kato for reporting this problem. (CVE-2026-14666)", "commit_aliases": ["0b12f56bf", "17b6083db", "1974acf23", "567286b76", "f4174aa84", "f5f2da795", "ffca23839"], "source_commits": ["1974acf23"], "source_entry_id": "17.11/changes/016", "db_id": "49941507efa272e723ff0698b2236a6e", "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432", "relations": [{"rule": 2, "type": "equivalent", "target": "043b1e2a717a3c7862402faa9c4b1f91", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}, {"rule": 2, "type": "equivalent", "target": "0e200ae2afa3db031ffa07314f2deab2", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}, {"rule": 2, "type": "equivalent", "target": "652fbbbd4aff8c1d5babff0cde01bc7f", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}, {"rule": 2, "type": "equivalent", "target": "c1425f2f64ac014a0d5ac494fbe66faf", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "0e200ae2afa3db031ffa07314f2deab2", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=18.6#18.6-ad01030c7fc964f1", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "c1425f2f64ac014a0d5ac494fbe66faf", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=16.15#16.15-c1ecfb608aa3193c", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "652fbbbd4aff8c1d5babff0cde01bc7f", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=15.19#15.19-90c7239f7a1b81bc", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "043b1e2a717a3c7862402faa9c4b1f91", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Invalidate role-dependent cached plans after role changes", "evidence": {"same_day": true, "patch_ids": ["7a5d6580a542a5467ce64bfd9ad2b724"], "statement_hash": "b27f8aace3b388937c6e28c9f1ede652d42059e6b0a2111846c88a4b39769432"}, "url": "/docs/compare/?release=14.24#14.24-6987bc0045f3c2c5", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-1d103f53312d0305", "cves": ["CVE-2026-14681"], "html": "Reject GSSEncRequest after direct SSL connection (Michael Paquier) §
\nAfter establishing a TLS-encrypted connection, the server would still accept a request for GSSAPI encryption. If that succeeded, the connection would proceed using TLS encryption, but it would look like a GSS connection to the pg_hba rules. Thus, a pg_hba policy intending to disallow TLS would not be enforced correctly.
The PostgreSQL Project thanks p4p3r for reporting this problem. (CVE-2026-14681)
", "text": "Reject GSSEncRequest after direct SSL connection (Michael Paquier) § After establishing a TLS-encrypted connection, the server would still accept a request for GSSAPI encryption. If that succeeded, the connection would proceed using TLS encryption, but it would look like a GSS connection to the pg_hba rules. Thus, a pg_hba policy intending to disallow TLS would not be enforced correctly. The PostgreSQL Project thanks p4p3r for reporting this problem. (CVE-2026-14681)", "title": "Reject GSSEncRequest after direct SSL connection", "commits": ["067a64d40"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "7dfebd0245b93195f1e31d3f04137c86b77a8c717e793ea8b7a75b2589d79c08", "section_path": ["Changes"], "commit_groups": [["067a64d40", "203a48209", "3bf185b4b", "bf1bb7e29"]], "identity_text": "Reject GSSEncRequest after direct SSL connection (Michael Paquier) After establishing a TLS-encrypted connection, the server would still accept a request for GSSAPI encryption. If that succeeded, the connection would proceed using TLS encryption, but it would look like a GSS connection to the pg_hba rules. Thus, a pg_hba policy intending to disallow TLS would not be enforced correctly. The PostgreSQL Project thanks p4p3r for reporting this problem. (CVE-2026-14681)", "commit_aliases": ["067a64d40", "203a48209", "3bf185b4b", "bf1bb7e29"], "source_commits": ["067a64d40"], "source_entry_id": "17.11/changes/017", "db_id": "55da165c3ced2d17689a546cd13a10f8", "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620", "relations": [{"rule": 2, "type": "equivalent", "target": "bdd453999af206604b4ae0c623733bc5", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}, {"rule": 2, "type": "equivalent", "target": "deae128594614e84894b8e7a7062759f", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}, {"rule": 2, "type": "equivalent", "target": "efca948aece74421d5dff07ca459356e", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}, {"rule": 2, "type": "equivalent", "target": "fae551c24851f8412783e17b85987136", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "deae128594614e84894b8e7a7062759f", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=18.6#18.6-ed40b113af1a65e3", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "fae551c24851f8412783e17b85987136", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=16.15#16.15-c6bce83a8c49af2c", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "bdd453999af206604b4ae0c623733bc5", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=15.19#15.19-c6bce83a8c49af2c", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "efca948aece74421d5dff07ca459356e", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Reject GSSEncRequest after direct SSL connection", "evidence": {"same_day": true, "patch_ids": ["0a86d0c924c70e8b47408f823a77a964"], "statement_hash": "f08040a4f6b5dfe94a4b30090677fd13c199828e108149421fa23eaa60d5f620"}, "url": "/docs/compare/?release=14.24#14.24-c6bce83a8c49af2c", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-f319d2c2bdee8718", "cves": ["CVE-2026-14672"], "html": "Make mock SCRAM authentication secrets more plausible (Nathan Bossart) §
\nIf a SCRAM login is attempted against a role that doesn't exist or doesn't have a SCRAM secret, we generate a mock secret and carry out the authentication handshake anyway, to avoid revealing these facts to an attacker. But the mock secret was made with a fixed iteration count, which in itself can be an observable response discrepancy. Use the configuration setting scram_iterations instead, to make the mock secret look more like the installation's real secrets.
The PostgreSQL Project thanks Radim Marek for reporting this problem. (CVE-2026-14672)
", "text": "Make mock SCRAM authentication secrets more plausible (Nathan Bossart) § If a SCRAM login is attempted against a role that doesn't exist or doesn't have a SCRAM secret, we generate a mock secret and carry out the authentication handshake anyway, to avoid revealing these facts to an attacker. But the mock secret was made with a fixed iteration count, which in itself can be an observable response discrepancy. Use the configuration setting scram_iterations instead, to make the mock secret look more like the installation's real secrets. The PostgreSQL Project thanks Radim Marek for reporting this problem. (CVE-2026-14672)", "title": "Make mock SCRAM authentication secrets more plausible", "commits": ["dec60e8ad"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "e234a260ae93da3adc54bf5aeceed9efbd11cfe39b1ad1732f19eacd17d41e4e", "section_path": ["Changes"], "commit_groups": [["4d192fa16", "822143c4d", "dec60e8ad", "fadbe882d", "feb8b0182"]], "identity_text": "Make mock SCRAM authentication secrets more plausible (Nathan Bossart) If a SCRAM login is attempted against a role that doesn't exist or doesn't have a SCRAM secret, we generate a mock secret and carry out the authentication handshake anyway, to avoid revealing these facts to an attacker. But the mock secret was made with a fixed iteration count, which in itself can be an observable response discrepancy. Use the configuration setting scram_iterations instead, to make the mock secret look more like the installation's real secrets. The PostgreSQL Project thanks Radim Marek for reporting this problem. (CVE-2026-14672)", "commit_aliases": ["4d192fa16", "822143c4d", "dec60e8ad", "fadbe882d", "feb8b0182"], "source_commits": ["dec60e8ad"], "source_entry_id": "17.11/changes/018", "db_id": "465da641b2ad8e32d9b3eff9044cfd21", "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178", "relations": [{"rule": 2, "type": "equivalent", "target": "0b4b5a7457f7fbba0ac49362d4205d94", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}, {"rule": 2, "type": "equivalent", "target": "328f985aab0b40a393740fb418be993c", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}, {"rule": 2, "type": "equivalent", "target": "360618cf2b5023ffb07258f47a407319", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}, {"rule": 2, "type": "equivalent", "target": "adc5092861582d88d34f6a1b1124f2eb", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "360618cf2b5023ffb07258f47a407319", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=18.6#18.6-bb742148aa1ab70a", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "adc5092861582d88d34f6a1b1124f2eb", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=16.15#16.15-7aa6af5006f81e6f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "328f985aab0b40a393740fb418be993c", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=15.19#15.19-df0f61cd55651315", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "0b4b5a7457f7fbba0ac49362d4205d94", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Make mock SCRAM authentication secrets more plausible", "evidence": {"same_day": true, "patch_ids": ["b915b0f76ef63e3fd030de3a5e4052c7"], "statement_hash": "76daff375fab06e676eed2c7ce655a806a67e546c22e89cce3f2506387c91178"}, "url": "/docs/compare/?release=14.24#14.24-df0f61cd55651315", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-368d04431d80a7fd", "cves": ["CVE-2026-16241"], "html": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server (Michael Paquier) §
ecpg assumed without checking that any bytea value must begin with \\x. A broken or malicious server might send a string shorter than 2 bytes, resulting in memory clobber in the application.
The PostgreSQL Project thanks ylwangtju for reporting this problem. (CVE-2026-16241)
", "text": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server (Michael Paquier) § ecpg assumed without checking that any bytea value must begin with \\x. A broken or malicious server might send a string shorter than 2 bytes, resulting in memory clobber in the application. The PostgreSQL Project thanks ylwangtju for reporting this problem. (CVE-2026-16241)", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "commits": ["c3c830272"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "248ee77755f6e301b2165ca0643d1f7f5718db2fb844272d0a7d31fbfed01d01", "section_path": ["Changes"], "commit_groups": [["39f855e0e", "457b8737a", "5737110b6", "74c59d062", "a14ba29b1", "c3c830272", "c7da85fec"]], "identity_text": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server (Michael Paquier) ecpg assumed without checking that any bytea value must begin with \\x. A broken or malicious server might send a string shorter than 2 bytes, resulting in memory clobber in the application. The PostgreSQL Project thanks ylwangtju for reporting this problem. (CVE-2026-16241)", "commit_aliases": ["39f855e0e", "457b8737a", "5737110b6", "74c59d062", "a14ba29b1", "c3c830272", "c7da85fec"], "source_commits": ["c3c830272"], "source_entry_id": "17.11/changes/019", "db_id": "4fb7c5910a0436ce3e2bb2ab88b25a87", "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946", "relations": [{"rule": 2, "type": "equivalent", "target": "18aec69fea13406451ddcbd0d4c23a88", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}, {"rule": 2, "type": "equivalent", "target": "7393e9b24b9abe3400e3f04577d58cba", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}, {"rule": 2, "type": "equivalent", "target": "c7e226410c72dad9c39b76d880e2f2a5", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}, {"rule": 2, "type": "equivalent", "target": "f5473f236236eb170503879999034ecc", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7e226410c72dad9c39b76d880e2f2a5", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=18.6#18.6-2d9ddb6163eca29a", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "f5473f236236eb170503879999034ecc", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=16.15#16.15-e48a8391a0609721", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "18aec69fea13406451ddcbd0d4c23a88", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=15.19#15.19-8ab80940f2e8c31e", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "7393e9b24b9abe3400e3f04577d58cba", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix out-of-bounds writes in ecpg applications caused by invalid bytea data received from the server", "evidence": {"same_day": true, "patch_ids": ["eda4e515c03b7210bd33a13cc191c754"], "statement_hash": "ef3db74c8b626f19d33ecc7d3b8e292c1e11cd1089b59edbc38f72bd729fe946"}, "url": "/docs/compare/?release=14.24#14.24-a12e893b89f31441", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-7f417b32587acff8", "cves": ["CVE-2025-8714", "CVE-2026-18408"], "html": "Do not do backquote expansion on the argument of psql's \\unrestrict command (Nathan Bossart) §
This oversight in the fix for CVE-2025-8714 allows a malicious server to inject shell commands into plain-text dump output that will be run at restore time on the machine running psql, the exact scenario that CVE-2025-8714 intended to prevent.
\nThe PostgreSQL Project thanks Lucas Velgus, Filip Janus, and Daniel Bakker for reporting this problem. (CVE-2026-18408)
", "text": "Do not do backquote expansion on the argument of psql's \\unrestrict command (Nathan Bossart) § This oversight in the fix for CVE-2025-8714 allows a malicious server to inject shell commands into plain-text dump output that will be run at restore time on the machine running psql, the exact scenario that CVE-2025-8714 intended to prevent. The PostgreSQL Project thanks Lucas Velgus, Filip Janus, and Daniel Bakker for reporting this problem. (CVE-2026-18408)", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "commits": ["0bfac9e1f"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "0fcd9304aa4a7758c0fbb2a24b5eb84dfe82f1d90a8751cebdcffe819d246f50", "section_path": ["Changes"], "commit_groups": [["0119aa30e", "086f6f176", "0bfac9e1f", "2006fca40", "33d0c63fb", "71ca694c7", "df245c374"]], "identity_text": "Do not do backquote expansion on the argument of psql's \\unrestrict command (Nathan Bossart) This oversight in the fix for CVE-2025-8714 allows a malicious server to inject shell commands into plain-text dump output that will be run at restore time on the machine running psql, the exact scenario that CVE-2025-8714 intended to prevent. The PostgreSQL Project thanks Lucas Velgus, Filip Janus, and Daniel Bakker for reporting this problem. (CVE-2026-18408)", "commit_aliases": ["0119aa30e", "086f6f176", "0bfac9e1f", "2006fca40", "33d0c63fb", "71ca694c7", "df245c374"], "source_commits": ["0bfac9e1f"], "source_entry_id": "17.11/changes/020", "db_id": "56ffc2f53e9a050b5de71327d3cef06f", "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b", "relations": [{"rule": 2, "type": "equivalent", "target": "36ccc2b6f4b04376dc6bf74ae3d2f6de", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}, {"rule": 2, "type": "equivalent", "target": "49dd1006826cb5f529df97b64194c139", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}, {"rule": 2, "type": "equivalent", "target": "5221242491685338de78e8922e1f353a", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}, {"rule": 2, "type": "equivalent", "target": "7a747536f32a440151dcb2b04ac4e968", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "36ccc2b6f4b04376dc6bf74ae3d2f6de", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=18.6#18.6-2227ccac7ef5135c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "7a747536f32a440151dcb2b04ac4e968", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=16.15#16.15-59649e9a46bbab2a", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "5221242491685338de78e8922e1f353a", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=15.19#15.19-1eaa89bc0932599c", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "49dd1006826cb5f529df97b64194c139", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Do not do backquote expansion on the argument of psql's \\unrestrict command", "evidence": {"same_day": true, "patch_ids": ["061af71132ccdfb4f1bbeed893be595c"], "statement_hash": "3a14df9ccfd7372d3dac771a23f52e41c3376ea71cf1946e2c9e95f97d2b5d3b"}, "url": "/docs/compare/?release=14.24#14.24-383244a3d19a3ddf", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-f6aaa44b60ea5479", "cves": ["CVE-2026-19385"], "html": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries (Tom Lane) §
Since there could be entries for both input and output arguments, it's feasible for this array's length to exceed FUNC_MAX_ARGS (which constrains only input arguments). Even if that were not so, pg_dump cannot assume that the server was built with the same value of FUNC_MAX_ARGS that it has. An overrun would lead to a memory clobber inside pg_dump.
The PostgreSQL Project thanks Masahiko Sawada for reporting this problem. (CVE-2026-19385)
", "text": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries (Tom Lane) § Since there could be entries for both input and output arguments, it's feasible for this array's length to exceed FUNC_MAX_ARGS (which constrains only input arguments). Even if that were not so, pg_dump cannot assume that the server was built with the same value of FUNC_MAX_ARGS that it has. An overrun would lead to a memory clobber inside pg_dump. The PostgreSQL Project thanks Masahiko Sawada for reporting this problem. (CVE-2026-19385)", "title": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries", "commits": ["c2b16f5d4"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "b69b3cc938ddb8801e1017e3d9249f848f7c98fe1e49ce6583576842ef58e7be", "section_path": ["Changes"], "commit_groups": [["13bb73aeb", "3299c2ba0", "3392cce5c", "57aa21f69", "71ba5705d", "86cd82bf4", "c2b16f5d4"]], "identity_text": "Remove pg_dump's assumption that pg_proc.protrftypes cannot have more than FUNC_MAX_ARGS entries (Tom Lane) Since there could be entries for both input and output arguments, it's feasible for this array's length to exceed FUNC_MAX_ARGS (which constrains only input arguments). Even if that were not so, pg_dump cannot assume that the server was built with the same value of FUNC_MAX_ARGS that it has. An overrun would lead to a memory clobber inside pg_dump. The PostgreSQL Project thanks Masahiko Sawada for reporting this problem. 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\nA tied object that doesn't behave like a regular one could lead to memory overwrite, or to constructing a corrupt result array (which would likely cause problems later).
\nThe PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14670)
", "text": "Harden PL/Perl against “tied” Perl arrays and hashes (Tom Lane) § A tied object that doesn't behave like a regular one could lead to memory overwrite, or to constructing a corrupt result array (which would likely cause problems later). The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14670)", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "commits": ["2d78c34f8"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "c59b9a4c9f518a56661f6980580f4e6f93d911e4f39ce2ce6c335e80efe0d521", "section_path": ["Changes"], "commit_groups": [["2d78c34f8", "477a6bdb0", "63cb15f40", "87c4b8219", "8c48cd615", "cf4ae7c3b", "d7fcfead3"]], "identity_text": "Harden PL/Perl against tied Perl arrays and hashes (Tom Lane) A tied object that doesn't behave like a regular one could lead to memory overwrite, or to constructing a corrupt result array (which would likely cause problems later). The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14670)", "commit_aliases": ["2d78c34f8", "477a6bdb0", "63cb15f40", "87c4b8219", "8c48cd615", "cf4ae7c3b", "d7fcfead3"], "source_commits": ["2d78c34f8"], "source_entry_id": "17.11/changes/022", "db_id": "59a40e9cc2306d6e115d10b26c7b6d9e", "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0", "relations": [{"rule": 2, "type": "equivalent", "target": "0caaa5502645631a657b97dc78add8c0", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}, {"rule": 2, "type": "equivalent", "target": "45822fd5bc04f9bc7cd5310ebd922c61", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}, {"rule": 2, "type": "equivalent", "target": "bd87bdc33bbf3c2a24631a385372b6ad", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}, {"rule": 2, "type": "equivalent", "target": "f0c1fefb4fd60b97ad1a6420db84a85a", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "45822fd5bc04f9bc7cd5310ebd922c61", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=18.6#18.6-6d183d795dd4fadd", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "0caaa5502645631a657b97dc78add8c0", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=16.15#16.15-9465542088e662ad", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "bd87bdc33bbf3c2a24631a385372b6ad", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=15.19#15.19-31838acd743ddb41", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "f0c1fefb4fd60b97ad1a6420db84a85a", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Harden PL/Perl against “tied” Perl arrays and hashes", "evidence": {"same_day": true, "patch_ids": ["5749c355b8bd5a5f2a0f8679d48902f9"], "statement_hash": "e681b36f925829491afb4aaf1536bea68f7b5021f6e0ea3fdb126ffd69367fa0"}, "url": "/docs/compare/?release=14.24#14.24-00b84c1b83bd3d6b", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-7026dc1b76714418", "cves": ["CVE-2026-14677", "CVE-2026-6473"], "html": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl (Heikki Linnakangas) §
\nThis is the same type of problem as CVE-2026-6473, just in a different part of the code, and is fixed in the same way.
\nThe PostgreSQL Project thanks the Tulya Project (Team Dhiutsa, Bitecope Technologies Private Ltd) for reporting this problem. (CVE-2026-14677)
", "text": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl (Heikki Linnakangas) § This is the same type of problem as CVE-2026-6473, just in a different part of the code, and is fixed in the same way. The PostgreSQL Project thanks the Tulya Project (Team Dhiutsa, Bitecope Technologies Private Ltd) for reporting this problem. (CVE-2026-14677)", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "commits": ["b56cc7deb"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "13f2c6dea82fedf9149d8a10b3ebcc76189f78ce75fd185d84fcbea134962fcb", "section_path": ["Changes"], "commit_groups": [["028ee716a", "1eb0d5380", "776467301", "8bbdc0540", "a1c1727cb", "aff9dac1c", "b56cc7deb"]], "identity_text": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl (Heikki Linnakangas) This is the same type of problem as CVE-2026-6473, just in a different part of the code, and is fixed in the same way. The PostgreSQL Project thanks the Tulya Project (Team Dhiutsa, Bitecope Technologies Private Ltd) for reporting this problem. (CVE-2026-14677)", "commit_aliases": ["028ee716a", "1eb0d5380", "776467301", "8bbdc0540", "a1c1727cb", "aff9dac1c", "b56cc7deb"], "source_commits": ["b56cc7deb"], "source_entry_id": "17.11/changes/023", "db_id": "a110c06ad7fd7a9c4f063b051daf6836", "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4", "relations": [{"rule": 2, "type": "equivalent", "target": "238a2ce678961ff0ad08154da3915f04", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}, {"rule": 2, "type": "equivalent", "target": "4cc223998ff4d5b7cf50efd21e2284b1", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}, {"rule": 2, "type": "equivalent", "target": "eaeb89e4752f46002fc91e3a83e9f683", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}, {"rule": 2, "type": "equivalent", "target": "f5ff50e89bc960e1e5bac3249477b995", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "238a2ce678961ff0ad08154da3915f04", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=18.6#18.6-16cede7597f41368", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "f5ff50e89bc960e1e5bac3249477b995", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=16.15#16.15-342fcd712e0eba5c", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "4cc223998ff4d5b7cf50efd21e2284b1", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=15.19#15.19-d03175b8e62ca77d", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "eaeb89e4752f46002fc91e3a83e9f683", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix integer overflows in memory-allocation calculations in PL/Perl and PL/Tcl", "evidence": {"same_day": true, "patch_ids": ["551a41f04d69f180135194c24f4907fb"], "statement_hash": "b56f55f83d652a2d7354185c8891454536092c27a727aecc0b21ea91949626f4"}, "url": "/docs/compare/?release=14.24#14.24-cbf179d0fe218ed0", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-ee34ba8ba8f4fa3d", "cves": ["CVE-2026-14673"], "html": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions (Noah Misch) §
Because amcheck will run such index expressions as the owner of their tables, a caller could potentially hijack search_path-dependent functions to run arbitrary code as the table owner. By default this is not a vulnerability because only superusers are allowed to call amcheck functions; but if that privilege was granted out, it created a larger hazard than the documentation suggests.
The PostgreSQL Project thanks Yuelin Wang and Jacob Brazeal for reporting this problem. (CVE-2026-14673)
", "text": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions (Noah Misch) § Because amcheck will run such index expressions as the owner of their tables, a caller could potentially hijack search_path-dependent functions to run arbitrary code as the table owner. By default this is not a vulnerability because only superusers are allowed to call amcheck functions; but if that privilege was granted out, it created a larger hazard than the documentation suggests. The PostgreSQL Project thanks Yuelin Wang and Jacob Brazeal for reporting this problem. (CVE-2026-14673)", "title": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions", "commits": ["e41c72aff"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "a8007a40ebe9e29c26d395f6106499df5eab5cae15827adc996ea56fab8e3b88", "section_path": ["Changes"], "commit_groups": [["0a61fcde0", "0fbf785b1", "2cc147318", "39d792040", "557cc7186", "e41c72aff", "e43e74756"]], "identity_text": "Ensure that contrib/amcheck functions restrict search_path before executing index expressions (Noah Misch) Because amcheck will run such index expressions as the owner of their tables, a caller could potentially hijack search_path-dependent functions to run arbitrary code as the table owner. By default this is not a vulnerability because only superusers are allowed to call amcheck functions; but if that privilege was granted out, it created a larger hazard than the documentation suggests. The PostgreSQL Project thanks Yuelin Wang and Jacob Brazeal for reporting this problem. 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Passing large cost values to these functions could cause integer overflows, thereby producing nonsensical results, and even causing out-of-bounds writes in some cases.
\nThe PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15742)
", "text": "Fix integer overflows in contrib/fuzzystrmatch's levenshtein() and levenshtein_less_equal() functions (Nathan Bossart) § Passing large cost values to these functions could cause integer overflows, thereby producing nonsensical results, and even causing out-of-bounds writes in some cases. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-15742)", "title": "Fix integer overflows in contrib/fuzzystrmatch's levenshtein() and levenshtein_less_equal() functions", "commits": ["c4d51b627"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "9e4881f79518e1eea0310ecee55fe49f8fdc9c422154651bfd317731be7a452a", "section_path": ["Changes"], "commit_groups": [["61481aa0e", "62c31b490", "74916136f", "918683d12", "9505175f2", "c4d51b627", "e88eb4e76"]], "identity_text": "Fix integer overflows in contrib/fuzzystrmatch's levenshtein() and levenshtein_less_equal() functions (Nathan Bossart) Passing large cost values to these functions could cause integer overflows, thereby producing nonsensical results, and even causing out-of-bounds writes in some cases. The PostgreSQL Project thanks Ben Morris (in collaboration with Claude and Anthropic Research) for reporting this problem. 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Query normalization didn't accurately account for the amount of space the normalized string would require.
\nThe PostgreSQL Project thanks Sajeeb Lohani (with TrendAI Zero Day Initiative) and Yuelin Wang for reporting this problem. (CVE-2026-14676)
", "text": "Fix buffer overrun in contrib/pg_stat_statements (Álvaro Herrera) Query normalization didn't accurately account for the amount of space the normalized string would require. The PostgreSQL Project thanks Sajeeb Lohani (with TrendAI Zero Day Initiative) and Yuelin Wang for reporting this problem. (CVE-2026-14676)", "title": "Fix buffer overrun in contrib/pg_stat_statements", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "ca48f4077f77c6c16b1f3b54ed2340924f89b69f65b4efb2a69cd24757c7f56b", "section_path": ["Changes"], "commit_groups": [["1e2795dde", "8a31ffc2d", "bb02eba53"]], "identity_text": "Fix buffer overrun in contrib/pg_stat_statements (Álvaro Herrera) Query normalization didn't accurately account for the amount of space the normalized string would require. The PostgreSQL Project thanks Sajeeb Lohani (with TrendAI Zero Day Initiative) and Yuelin Wang for reporting this problem. (CVE-2026-14676)", "commit_aliases": ["1e2795dde", "8a31ffc2d", "bb02eba53"], "source_commits": ["1e2795dde"], "source_entry_id": "17.11/changes/026", "db_id": "d7011cf7f02dec0d6f5320d50f1060d7", "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22", "relations": [{"rule": 2, "type": "equivalent", "target": "29895bb80ed2951a21b387b1a32fd0bf", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}, {"rule": 2, "type": "equivalent", "target": "aaa4509a01eb087a7c8dae3d3477599b", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}, {"rule": 2, "type": "equivalent", "target": "d8f3c95effa66c9d7648ed329303a70e", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}, {"rule": 2, "type": "equivalent", "target": "e84c1b71b1c15bae4e222a2f72d84864", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "e84c1b71b1c15bae4e222a2f72d84864", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=18.6#18.6-c2bc95cc72b98750", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "d8f3c95effa66c9d7648ed329303a70e", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=16.15#16.15-881f882c67a9948d", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "29895bb80ed2951a21b387b1a32fd0bf", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=15.19#15.19-881f882c67a9948d", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "aaa4509a01eb087a7c8dae3d3477599b", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix buffer overrun in contrib/pg_stat_statements", "evidence": {"same_day": true, "patch_ids": ["ff92e3cbebc5005b0bef45f9f1d8d30a"], "statement_hash": "9ccd331655eef445554d4bf3ba5a781e3ca80ec62b9fce48b4cf6f7177789b22"}, "url": "/docs/compare/?release=14.24#14.24-881f882c67a9948d", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-caca197ce0ba4b3f", "cves": ["CVE-2026-14678"], "html": "Fix datatype error in contrib/pg_trgm's GiST picksplit function (Heikki Linnakangas) §
This mistake resulted in reading past the end of the buffer, typically causing bad split decisions; but a crash could ensue if you're very unlucky.
\nThe PostgreSQL Project thanks Mehmet D. Ince for reporting this problem. (CVE-2026-14678)
", "text": "Fix datatype error in contrib/pg_trgm's GiST picksplit function (Heikki Linnakangas) § This mistake resulted in reading past the end of the buffer, typically causing bad split decisions; but a crash could ensue if you're very unlucky. The PostgreSQL Project thanks Mehmet D. Ince for reporting this problem. (CVE-2026-14678)", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "commits": ["1af08af69"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "fee62153a84717bd66c9a2e86069663878d5ffec8dc78dd45171f81608712b1a", "section_path": ["Changes"], "commit_groups": [["1af08af69", "24c88cd39", "66c2dbb20", "849019a50", "a74aa0854", "aa7b5815e", "c7c82a88c"]], "identity_text": "Fix datatype error in contrib/pg_trgm's GiST picksplit function (Heikki Linnakangas) This mistake resulted in reading past the end of the buffer, typically causing bad split decisions; but a crash could ensue if you're very unlucky. The PostgreSQL Project thanks Mehmet D. Ince for reporting this problem. (CVE-2026-14678)", "commit_aliases": ["1af08af69", "24c88cd39", "66c2dbb20", "849019a50", "a74aa0854", "aa7b5815e", "c7c82a88c"], "source_commits": ["1af08af69"], "source_entry_id": "17.11/changes/027", "db_id": "007e7b20002c9154a7b78500dad11fde", "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474", "relations": [{"rule": 2, "type": "equivalent", "target": "0bc10887e786dd035f4571e42ea848b8", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}, {"rule": 2, "type": "equivalent", "target": "1dcffcddaa3ea6a57ebf8bf560e8c531", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}, {"rule": 2, "type": "equivalent", "target": "b9b08968a5deb7a55558cd0e3c3ecb91", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}, {"rule": 2, "type": "equivalent", "target": "c1b223f3527ab1382981f7ea6931f7ec", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "0bc10887e786dd035f4571e42ea848b8", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=18.6#18.6-b960de4f8267096f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "1dcffcddaa3ea6a57ebf8bf560e8c531", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=16.15#16.15-0621542d439e129f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "b9b08968a5deb7a55558cd0e3c3ecb91", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=15.19#15.19-057de36f6fc47ee3", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "c1b223f3527ab1382981f7ea6931f7ec", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix datatype error in contrib/pg_trgm's GiST picksplit function", "evidence": {"same_day": true, "patch_ids": ["e6003b6617841df26303992ba1215f03"], "statement_hash": "b75b9d4c297e71b80fedfe6eeb16417da2cd09f4baa7f5d2b7d3f4d2495f3474"}, "url": "/docs/compare/?release=14.24#14.24-76522194454c0c43", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-9677b8014f265a17", "cves": ["CVE-2026-14671"], "html": "Remove the plan cache in contrib/refint (Ayush Tiwari) §
This caching behavior has several serious bugs, notably that check_foreign_key() embeds the new key values in its cascade-UPDATE queries, so a cached plan reuses the originally-needed values rather than the key values that should be used. The simplest solution is to remove it.
The PostgreSQL Project thanks Hcamael for reporting this problem. (CVE-2026-14671)
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\nWhen an upper plan node rescans an Append before having read the entire Append output, we need to discard any in-flight requests sent to external servers (by postgres_fdw for example). This was not done correctly in cases where a subplan has parameter changes or is discarded by partition pruning in the next scan. The outcome could be incorrect query results, an infinite loop, or an assertion failure.
Fix error in partition pruning for RANGE-partitioned tables (David Rowley) §
\nIn some cases the DEFAULT partition would be skipped when it should not be, which could lead to rows missing from query results.
", "text": "Fix error in partition pruning for RANGE-partitioned tables (David Rowley) § In some cases the DEFAULT partition would be skipped when it should not be, which could lead to rows missing from query results.", "title": "Fix error in partition pruning for RANGE-partitioned tables", "commits": ["31f2acde5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "49a261d1bad9a876ceb1047967d2ad2fb36b3e1348f6947c949ecf3ba15c31af", "section_path": ["Changes"], "commit_groups": [["02e69be47", "31f2acde5", "5190732c9", "6098f35f4", "709dfd27f", "9a0cd8e73", "f9282a650"]], "identity_text": "Fix error in partition pruning for RANGE-partitioned tables (David Rowley) In some cases the DEFAULT partition would be skipped when it should not be, which could lead to rows missing from query results.", "commit_aliases": ["02e69be47", "31f2acde5", "5190732c9", "6098f35f4", "709dfd27f", "9a0cd8e73", "f9282a650"], "source_commits": ["31f2acde5"], "source_entry_id": "17.11/changes/030", "db_id": "199c05dd5ca242a1207113d841920d91", "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23", "relations": [{"rule": 2, "type": "equivalent", "target": "128f5b0ef464d5fb3f9f8de9b62b5b0c", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}, {"rule": 2, "type": "equivalent", "target": "8e616a25980e478e4ba1d40fd43361c9", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}, {"rule": 2, "type": "equivalent", "target": "b1408f66d7e290909c80f8c2b9d6a6e6", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}, {"rule": 2, "type": "equivalent", "target": "c03487e8eed72def14469f629495faba", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "128f5b0ef464d5fb3f9f8de9b62b5b0c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=18.6#18.6-1c1bf5522234d430", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "b1408f66d7e290909c80f8c2b9d6a6e6", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=16.15#16.15-cce23f53ca16684a", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "8e616a25980e478e4ba1d40fd43361c9", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=15.19#15.19-b3f92b81dd82f323", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "c03487e8eed72def14469f629495faba", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix error in partition pruning for RANGE-partitioned tables", "evidence": {"same_day": true, "patch_ids": ["07f80c898c23577b927785baf5699ba6"], "statement_hash": "e3e0e32dc70a802e15316cd723301dfb9165a361cfaaa3eaebb6138320570c23"}, "url": "/docs/compare/?release=14.24#14.24-b6f407b6d50bed97", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-0179d9549f7c629e", "cves": [], "html": "Fix planner's nullability and strictness checks for value IN (array)
These checks should only succeed if the array operand is known to be non-empty, but that consideration was missed, allowing optimizations to be applied that should not be. This could result in wrong query answers if the array actually was empty.
", "text": "Fix planner's nullability and strictness checks for value IN (array) expressions (Ayush Tiwari) § These checks should only succeed if the array operand is known to be non-empty, but that consideration was missed, allowing optimizations to be applied that should not be. This could result in wrong query answers if the array actually was empty.", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "commits": ["26d6b7dc9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "823d5a484e15b4b5bf44314b5c2ae24d9cec0e9be4afe1d31de6980f3782060a", "section_path": ["Changes"], "commit_groups": [["13b627a3e", "239eabda4", "26d6b7dc9", "277122036", "53470ffba", "6fcee189b", "9740c68ff"]], "identity_text": "Fix planner's nullability and strictness checks for value IN (array) expressions (Ayush Tiwari) These checks should only succeed if the array operand is known to be non-empty, but that consideration was missed, allowing optimizations to be applied that should not be. This could result in wrong query answers if the array actually was empty.", "commit_aliases": ["13b627a3e", "239eabda4", "26d6b7dc9", "277122036", "53470ffba", "6fcee189b", "9740c68ff"], "source_commits": ["26d6b7dc9"], "source_entry_id": "17.11/changes/031", "db_id": "53fcc801e2a78a55196f6122abbd7a01", "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25", "relations": [{"rule": 2, "type": "equivalent", "target": "295b1a7da9077453b2e0fd1899e5c7e4", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}, {"rule": 2, "type": "equivalent", "target": "8c22785dc1e64a0a8f07acd08ee8695d", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}, {"rule": 2, "type": "equivalent", "target": "ad3ee3744d12ed87e41b743df908a973", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}, {"rule": 2, "type": "equivalent", "target": "c4e4aedd211ab9a3cebe71bab9209dff", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "ad3ee3744d12ed87e41b743df908a973", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=18.6#18.6-7f07d942a2dc7fb3", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "c4e4aedd211ab9a3cebe71bab9209dff", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=16.15#16.15-fa8b871fcf656789", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "8c22785dc1e64a0a8f07acd08ee8695d", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=15.19#15.19-6f626d9b6541c108", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "295b1a7da9077453b2e0fd1899e5c7e4", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix planner's nullability and strictness checks for value IN (array) expressions", "evidence": {"same_day": true, "patch_ids": ["df435503db83a1e14391340c77582135"], "statement_hash": "2d92bc3cfa84bb56afc5d1f1b3a42de958d5476b1ad5c8eeac46ecc8e878ca25"}, "url": "/docs/compare/?release=14.24#14.24-1f1442421fcf2295", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-8ac984b046b9e22d", "cves": [], "html": "Fix incorrect join removal logic (Matheus Alcantara, Richard Guo) § §
\nIn edge cases, it was possible for a constant output value coming from within the nullable side of an outer join to not be replaced by NULL when it should be.
", "text": "Fix incorrect join removal logic (Matheus Alcantara, Richard Guo) § § In edge cases, it was possible for a constant output value coming from within the nullable side of an outer join to not be replaced by NULL when it should be.", "title": "Fix incorrect join removal logic", "commits": ["b308eb366", "cdcec567d"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "f147f6d6798bd9d42cab88c16b04ca61a87728d1a38310f0f1bacfe10a8906ef", "section_path": ["Changes"], "commit_groups": [["0da71d90d", "72457f1df", "9e40d07e1", "b308eb366", "d610d8e8b"], ["1df9e8d96", "21f5e659e", "3e1fe25e6", "8bc479627", "cdcec567d"]], "identity_text": "Fix incorrect join removal logic (Matheus Alcantara, Richard Guo) In edge cases, it was possible for a constant output value coming from within the nullable side of an outer join to not be replaced by NULL when it should be.", "commit_aliases": ["0da71d90d", "1df9e8d96", "21f5e659e", "3e1fe25e6", "72457f1df", "8bc479627", "9e40d07e1", "b308eb366", "cdcec567d", "d610d8e8b"], "source_commits": ["b308eb366", "cdcec567d"], "source_entry_id": "17.11/changes/032", "db_id": "d46715d5dbb4902eaecdcfe45967fd74", "patch_ids": ["1e12745a4a72c22047b3d9e8c13b8fb6", "dabc0be4437bfea2c9473e4b0cbd7ede"], "statement_hash": "66372d30c157ceb2f0f88f6e5275d315accebe006eebab6de4089f55d7597b5d", "relations": [{"rule": 2, "type": "equivalent", "target": "4f181419572dec31c7f8a0612a21f555", "evidence": {"same_day": true, "patch_ids": ["1e12745a4a72c22047b3d9e8c13b8fb6", "dabc0be4437bfea2c9473e4b0cbd7ede"], "statement_hash": "66372d30c157ceb2f0f88f6e5275d315accebe006eebab6de4089f55d7597b5d"}}, {"rule": 2, "type": "equivalent", "target": "86a9304ee897d487f2f08fdf6cd5a298", "evidence": {"same_day": true, "patch_ids": ["1e12745a4a72c22047b3d9e8c13b8fb6", "dabc0be4437bfea2c9473e4b0cbd7ede"], "statement_hash": "66372d30c157ceb2f0f88f6e5275d315accebe006eebab6de4089f55d7597b5d"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "4f181419572dec31c7f8a0612a21f555", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix incorrect join removal logic", "evidence": {"same_day": true, "patch_ids": ["1e12745a4a72c22047b3d9e8c13b8fb6", "dabc0be4437bfea2c9473e4b0cbd7ede"], "statement_hash": "66372d30c157ceb2f0f88f6e5275d315accebe006eebab6de4089f55d7597b5d"}, "url": "/docs/compare/?release=18.6#18.6-8445b59319518d4d", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "86a9304ee897d487f2f08fdf6cd5a298", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix incorrect join removal logic", "evidence": {"same_day": true, "patch_ids": ["1e12745a4a72c22047b3d9e8c13b8fb6", "dabc0be4437bfea2c9473e4b0cbd7ede"], "statement_hash": "66372d30c157ceb2f0f88f6e5275d315accebe006eebab6de4089f55d7597b5d"}, "url": "/docs/compare/?release=16.15#16.15-dbc5e51d45a37594", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}]}, {"id": "17.11-f6f35a5c24f27bf2", "cves": [], "html": "Add missed checks for hashability of equality comparisons on container datatypes (arrays, composites, ranges) (Andrei Lepikhov, Tom Lane) §
\nThe planner must verify hashability of the container's component type(s) before deciding it can use a hash-based plan type. This step was missed in some places, leading to “could not identify a hash function” failures at execution.
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These window functions were treated as monotonic when they should not be, allowing wrong answers to be computed.
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Fix attaching partitions of indexes that are exclusion constraints (Japin Li) §
\nNotably, this oversight broke dump/restore of partitioned exclusion constraints.
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That name is reserved for a view's ON SELECT rule, but ALTER RULE allowed renaming other rules to _RETURN, causing trouble later.
Fix missing lock release for role membership grants in DROP OWNED BY (Jeff Davis) §
This oversight resulted in a warning message, followed by retaining a lock on the membership grant until the end of the transaction.
", "text": "Fix missing lock release for role membership grants in DROP OWNED BY (Jeff Davis) § This oversight resulted in a warning message, followed by retaining a lock on the membership grant until the end of the transaction.", "title": "Fix missing lock release for role membership grants in DROP OWNED BY", "commits": ["25e54cec7"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "59a05a9bc2ca3c34ecdcb3aa6d6f22b6869e15248b1531518a147ab7d03eb571", "section_path": ["Changes"], "commit_groups": [["25e54cec7", "9eccdae22", "a0daa0b41", "b48caa7df", "e61d44fde"]], "identity_text": "Fix missing lock release for role membership grants in DROP OWNED BY (Jeff Davis) This oversight resulted in a warning message, followed by retaining a lock on the membership grant until the end of the transaction.", "commit_aliases": ["25e54cec7", "9eccdae22", "a0daa0b41", "b48caa7df", "e61d44fde"], "source_commits": ["25e54cec7"], "source_entry_id": "17.11/changes/038", "db_id": "f38a9d64af080b972d55091afa2b7167", "patch_ids": ["366a54c27360ab3839f71c858dc847c7"], "statement_hash": "c3d8dda4db627322e27465f2a355faabf29a98b7c4ddfd870cf46d4fa9b704f9", "relations": [{"rule": 2, "type": "equivalent", "target": "0563a596791449f44372e96193722ea2", "evidence": {"same_day": true, "patch_ids": ["366a54c27360ab3839f71c858dc847c7"], "statement_hash": "c3d8dda4db627322e27465f2a355faabf29a98b7c4ddfd870cf46d4fa9b704f9"}}, {"rule": 2, "type": "equivalent", "target": "5ac990e6d8ae4f5c9facf9044c23d6c9", "evidence": {"same_day": true, "patch_ids": ["366a54c27360ab3839f71c858dc847c7"], "statement_hash": "c3d8dda4db627322e27465f2a355faabf29a98b7c4ddfd870cf46d4fa9b704f9"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5ac990e6d8ae4f5c9facf9044c23d6c9", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix missing lock release for role membership grants in DROP OWNED BY", "evidence": {"same_day": true, "patch_ids": ["366a54c27360ab3839f71c858dc847c7"], "statement_hash": "c3d8dda4db627322e27465f2a355faabf29a98b7c4ddfd870cf46d4fa9b704f9"}, "url": "/docs/compare/?release=18.6#18.6-b6f7587292fb4dc6", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "0563a596791449f44372e96193722ea2", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix missing lock release for role membership grants in DROP OWNED BY", "evidence": {"same_day": true, "patch_ids": ["366a54c27360ab3839f71c858dc847c7"], "statement_hash": "c3d8dda4db627322e27465f2a355faabf29a98b7c4ddfd870cf46d4fa9b704f9"}, "url": "/docs/compare/?release=16.15#16.15-6fff16ad10712541", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}]}, {"id": "17.11-df483e133aa49926", "cves": [], "html": "Fix failure of EXPLAIN when deparsing SQL/JSON aggregates (Richard Guo) §
Some plan structures resulted in “invalid JsonConstructorExpr underlying node type” errors.
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The transient index copy created during REINDEX CONCURRENTLY was incorrectly marked as enforcing immediate uniqueness, causing spurious reports of constraint violation.
Fix matching of localized month/day names in to_date() (Heikki Linnakangas) §
The matching logic misbehaved in cases where case-folding changes the byte length of the string.
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\nThis character was treated as a valid T syllable, which it is not, and hence silently swallowed during normalization.
", "text": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE) (Diego Frias, Michael Paquier) § This character was treated as a valid T syllable, which it is not, and hence silently swallowed during normalization.", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "commits": ["0c9cbbfb5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "241cb4b168670c1d28f9f1ac0fe24db0eb422b121b343451a6ba6865e0e9e9f2", "section_path": ["Changes"], "commit_groups": [["0c9cbbfb5", "273fe9485", "82116023e", "8bb935d61", "c391375ba", "f2ff15e4c"]], "identity_text": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE) (Diego Frias, Michael Paquier) This character was treated as a valid T syllable, which it is not, and hence silently swallowed during normalization.", "commit_aliases": ["0c9cbbfb5", "273fe9485", "82116023e", "8bb935d61", "c391375ba", "f2ff15e4c"], "source_commits": ["0c9cbbfb5"], "source_entry_id": "17.11/changes/042", "db_id": "955b29dab0dd740875781e1df1992bdc", "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717", "relations": [{"rule": 2, "type": "equivalent", "target": "3a6050c2cb2fe8b496eaa4963a657d6a", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}, {"rule": 2, "type": "equivalent", "target": "3ca62c531cc3952831a57b828ba3be6f", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}, {"rule": 2, "type": "equivalent", "target": "aaef9ba320136440f8b0a3ec12c67f23", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}, {"rule": 2, "type": "equivalent", "target": "b4da21230a332d29b7fdd0c30e5eb1b0", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "3a6050c2cb2fe8b496eaa4963a657d6a", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=18.6#18.6-bad72301bf213a01", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "b4da21230a332d29b7fdd0c30e5eb1b0", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=16.15#16.15-b06391696fc6a94f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "aaef9ba320136440f8b0a3ec12c67f23", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=15.19#15.19-dab67300bc6bbe1f", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "3ca62c531cc3952831a57b828ba3be6f", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix incorrect NFC recomposition for Hangul U+11A7 (TBASE)", "evidence": {"same_day": true, "patch_ids": ["725250db9eb55dab240d380ece2a835b"], "statement_hash": "0790cf6e3b0bbc225a449fee5cfdf5d70b4c6b23cc6777393156d83479c1c717"}, "url": "/docs/compare/?release=14.24#14.24-68c56e11fd51d378", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-a4695342e5fc0fc7", "cves": [], "html": "Avoid possible truncation of output lexemes in case-insensitive synonym dictionaries (Jeff Davis) §
If folding to lower case increased the byte length of a lexeme, it was incorrectly truncated to its original byte length when emitted.
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", "text": "Defend against truncated UTF-8 characters in case-conversion logic (Jeff Davis) §", "title": "Defend against truncated UTF-8 characters in case-conversion logic", "commits": ["5e78ebca5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "48a51008dbe99f8b52625a5ae5387900f6f57b45d11f312d8b6b0bbfee67b74e", "section_path": ["Changes"], "commit_groups": [["05da336dd", "21ffc271d", "5e78ebca5", "9021c8f3c"]], "identity_text": "Defend against truncated UTF-8 characters in case-conversion logic (Jeff Davis)", "commit_aliases": ["05da336dd", "21ffc271d", "5e78ebca5", "9021c8f3c"], "source_commits": ["5e78ebca5"], "source_entry_id": "17.11/changes/044", "db_id": "6587fa053296846f315df1024b486ffb", "patch_ids": ["70ade08782c5c0086629edb156a1a000"], "statement_hash": "b8ea4712aa3d1f59707ea58deb088497b6eb664982552c1833b1fdb40b14fc59", "relations": [{"rule": 2, "type": "equivalent", "target": "fbf07b5b0ddd47273177153e01d4ca58", "evidence": {"same_day": true, "patch_ids": ["70ade08782c5c0086629edb156a1a000"], "statement_hash": "b8ea4712aa3d1f59707ea58deb088497b6eb664982552c1833b1fdb40b14fc59"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "fbf07b5b0ddd47273177153e01d4ca58", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Defend against truncated UTF-8 characters in case-conversion logic", "evidence": {"same_day": true, "patch_ids": ["70ade08782c5c0086629edb156a1a000"], "statement_hash": "b8ea4712aa3d1f59707ea58deb088497b6eb664982552c1833b1fdb40b14fc59"}, "url": "/docs/compare/?release=18.6#18.6-fcede1358593efe6", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-f5ccad03da59d5de", "cves": [], "html": "Fix typo in hash_record_extended() (Man Zeng) §
The code failed to initialize the second isnull argument passed to FunctionCallInvoke(). This is harmless for existing in-core extended hash support functions, which will not examine that value. However, extension-provided hash functions could be affected if they inspect PG_ARGISNULL(1).
Fix pg_get_publication_tables() to not fail if a publishable table is dropped concurrently (Bharath Rupireddy) §
Prevent satisfies_hash_partition() from crashing with VARIADIC NULL (Robert Haas) §
Report invalid-weight errors more cleanly and consistently in tsvector_filter() and allied functions (Ewan Young) §
In particular, report weight characters that are not printable ASCII in octal form (\\), as nnncharout() would render them. This avoids possibly producing an invalidly-encoded error message.
Fix mishandling of namespace nodes in xpath() (Michael Paquier) § §
This fix avoids an unexpected “could not copy node” error.
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\nSome code paths failed to prevent this, leading to silently wrong (inconsistent) results.
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\nIt was unintentionally processing databases from lowest to highest score, when it should be doing the reverse.
", "text": "Fix the order in which autovacuum processes databases (Rustam Khamidullin) § It was unintentionally processing databases from lowest to highest score, when it should be doing the reverse.", "title": "Fix the order in which autovacuum processes databases", "commits": ["288d4e83f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "edd2876c8c61c0441cf1662985fa9d7329083f7194915b70c6c6fae49cc9d051", "section_path": ["Changes"], "commit_groups": [["288d4e83f", "4cc49cb70", "b3331578b", "baab3268c"]], "identity_text": "Fix the order in which autovacuum processes databases (Rustam Khamidullin) It was unintentionally processing databases from lowest to highest score, when it should be doing the reverse.", "commit_aliases": ["288d4e83f", "4cc49cb70", "b3331578b", "baab3268c"], "source_commits": ["288d4e83f"], "source_entry_id": "17.11/changes/057", "db_id": "7e5aa2c0c13918b50520756d59c3270c", "patch_ids": ["42b814ceb732c97aa3c3a526508d3abb"], "statement_hash": "c6cdd05a4bedc5971c267480385958b00c43f204b53e4cc0fe52b1e5bf13ea9d", "relations": [{"rule": 2, "type": "equivalent", "target": "b9d8f2a43e4df58e7a17df3fbade9bf4", "evidence": {"same_day": true, "patch_ids": ["42b814ceb732c97aa3c3a526508d3abb"], "statement_hash": "c6cdd05a4bedc5971c267480385958b00c43f204b53e4cc0fe52b1e5bf13ea9d"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b9d8f2a43e4df58e7a17df3fbade9bf4", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix the order in which autovacuum processes databases", "evidence": {"same_day": true, "patch_ids": ["42b814ceb732c97aa3c3a526508d3abb"], "statement_hash": "c6cdd05a4bedc5971c267480385958b00c43f204b53e4cc0fe52b1e5bf13ea9d"}, "url": "/docs/compare/?release=18.6#18.6-8f425dbb364b3d86", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-94146e86474835ca", "cves": [], "html": "Fix memory leak in parallel vacuum worker processes (Baji Shaik) §
\nProgress reports from a parallel worker leaked about 1kB per report, with the waste accumulating for the life of the worker process.
", "text": "Fix memory leak in parallel vacuum worker processes (Baji Shaik) § Progress reports from a parallel worker leaked about 1kB per report, with the waste accumulating for the life of the worker process.", "title": "Fix memory leak in parallel vacuum worker processes", "commits": ["8ad414831"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "d04e192c608871dfac9152f0aa7f703c04def273a778244db5d077ee622f830e", "section_path": ["Changes"], "commit_groups": [["4154a1482", "8ad414831", "b20c952ce"]], "identity_text": "Fix memory leak in parallel vacuum worker processes (Baji Shaik) Progress reports from a parallel worker leaked about 1kB per report, with the waste accumulating for the life of the worker process.", "commit_aliases": ["4154a1482", "8ad414831", "b20c952ce"], "source_commits": ["8ad414831"], "source_entry_id": "17.11/changes/058", "db_id": "12d3079ba949a43359b006c455b1a4d0", "patch_ids": ["d49aabf7256557adc98b6cb3284f6aaa"], "statement_hash": "568c6bb4288fdf9897eb84891ce83a70e68203e76785f837606ed060e05d9705", "relations": [{"rule": 2, "type": "equivalent", "target": "7610626b7c4fe5c411f6eaf69975db96", "evidence": {"same_day": true, "patch_ids": ["d49aabf7256557adc98b6cb3284f6aaa"], "statement_hash": "568c6bb4288fdf9897eb84891ce83a70e68203e76785f837606ed060e05d9705"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "7610626b7c4fe5c411f6eaf69975db96", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix memory leak in parallel vacuum worker processes", "evidence": {"same_day": true, "patch_ids": ["d49aabf7256557adc98b6cb3284f6aaa"], "statement_hash": "568c6bb4288fdf9897eb84891ce83a70e68203e76785f837606ed060e05d9705"}, "url": "/docs/compare/?release=18.6#18.6-cf57ab07d77fbdf9", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-69bd1a00ee81086e", "cves": [], "html": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup (Paul Kim, Alexander Korotkov) §
\nThe posting tree for a common value can be large, so that this missed check could allow vacuum to run for a long time before noticing an interrupt.
", "text": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup (Paul Kim, Alexander Korotkov) § The posting tree for a common value can be large, so that this missed check could allow vacuum to run for a long time before noticing an interrupt.", "title": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup", "commits": ["ba5e46329"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "3eea2875de6c4212c7db93785d9c5dcdfc66d7e323d58f953b2ba0bc704e7227", "section_path": ["Changes"], "commit_groups": [["006ac761e", "15fd7a3e2", "70dad584e", "7123abab7", "7becb647d", "8a045f760", "ba5e46329"]], "identity_text": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup (Paul Kim, Alexander Korotkov) The posting tree for a common value can be large, so that this missed check could allow vacuum to run for a long time before noticing an interrupt.", "commit_aliases": ["006ac761e", "15fd7a3e2", "70dad584e", "7123abab7", "7becb647d", "8a045f760", "ba5e46329"], "source_commits": ["ba5e46329"], "source_entry_id": "17.11/changes/059", "db_id": "95dd23cd66ca5f13741dbc751bd94f78", "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b", "relations": [{"rule": 2, "type": "equivalent", "target": "409fe91bb94144927c72c3c45b46a6de", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}}, {"rule": 2, "type": "equivalent", "target": "49ebdb578d55efc3f72704dda719fc23", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}}, {"rule": 2, "type": "equivalent", "target": "5ae3f0e86d0ce40099b20e708d75c4df", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}}, {"rule": 2, "type": "equivalent", "target": "814dbd746257f327d953bc1cef61300f", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "5ae3f0e86d0ce40099b20e708d75c4df", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}, "url": "/docs/compare/?release=18.6#18.6-06642c9e897515be", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "409fe91bb94144927c72c3c45b46a6de", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}, "url": "/docs/compare/?release=16.15#16.15-554df1ef2961c27f", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "49ebdb578d55efc3f72704dda719fc23", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}, "url": "/docs/compare/?release=15.19#15.19-8a26ce7d87732222", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "814dbd746257f327d953bc1cef61300f", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Honor query cancel and vacuum delay during GIN index posting-tree cleanup", "evidence": {"same_day": true, "patch_ids": ["5737ead0e5ff1d380903a73cc5289899"], "statement_hash": "dbe0ee194244f00d3dbdcf97c73698ed65ff34b62bead922d8670ce2d3ad820b"}, "url": "/docs/compare/?release=14.24#14.24-25f9d07b0fe76365", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-7b0787620962198f", "cves": [], "html": "Fix possible mis-decoding of index tuples during GiST and SP-GiST index-only scans (Peter Geoghegan) §
\nThis error could lead to emitting corrupted data from an index-only scan plan. The only affected core opclass is GiST's range_ops, and it could only fail if the range column were not the first index column.
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\nAn off-by-one error caused the last block of a multi-block table extension to not be marked as free in the map. This would eventually get corrected by vacuum, but meanwhile the space wouldn't be used.
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", "text": "Prevent creation of dangling object dependencies by acquiring a shared lock on any object being depended on (Bertrand Drouvot) § § The shared lock will conflict with any attempt to drop the depended-on object, eliminating the race condition that formerly existed. For example, if one session drops a schema (that appears empty to it) concurrently with some other session creating a function in that schema, previously both transactions could commit, leaving an invalid function definition behind. Now, one transaction or the other will fail.", "title": "Prevent creation of dangling object dependencies by acquiring a shared lock on any object being depended on", "commits": ["3a9909eda", "c1588f92a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "93f88d140043234718983a18466fde4c46d2c31f3617639bd44d955813c3f8e9", "section_path": ["Changes"], "commit_groups": [["2fbb21170", "3a9909eda", "5100bdbd3", "5fa137727", "c8cd3d697", "d9bc0d96c"], ["36b6ed260", "c1588f92a", "d44cd4674", "ef3d7b15e", "f9d5a52da", "fd93ee100"]], "identity_text": "Prevent creation of dangling object dependencies by acquiring a shared lock on any object being depended on (Bertrand Drouvot) The shared lock will conflict with any attempt to drop the depended-on object, eliminating the race condition that formerly existed. For example, if one session drops a schema (that appears empty to it) concurrently with some other session creating a function in that schema, previously both transactions could commit, leaving an invalid function definition behind. 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A conflict could be missed when examining an initially-empty btree index, allowing failure of serializability due to improperly allowing conflicting transactions to commit.
", "text": "Fix race condition in conflict detection for SERIALIZABLE isolation mode (Peter Geoghegan) § A conflict could be missed when examining an initially-empty btree index, allowing failure of serializability due to improperly allowing conflicting transactions to commit.", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "commits": ["8434c9385"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "9c6559cb916c9f1a8ddf0bc74a8d10fa6ce6756752ba65dc0b208f71d091442d", "section_path": ["Changes"], "commit_groups": [["2aa3c6d1f", "2fc3e1b44", "5d18105ca", "8434c9385", "ce3f19e26", "d560e730e", "e321faaae"]], "identity_text": "Fix race condition in conflict detection for SERIALIZABLE isolation mode (Peter Geoghegan) A conflict could be missed when examining an initially-empty btree index, allowing failure of serializability due to improperly allowing conflicting transactions to commit.", "commit_aliases": ["2aa3c6d1f", "2fc3e1b44", "5d18105ca", "8434c9385", "ce3f19e26", "d560e730e", "e321faaae"], "source_commits": ["8434c9385"], "source_entry_id": "17.11/changes/065", "db_id": "06c841c7e97c29498c3c18507b648e43", "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297", "relations": [{"rule": 2, "type": "equivalent", "target": "03ed91689e7472f3e2b40c0668a9efe6", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}, {"rule": 2, "type": "equivalent", "target": "37ab9407c7a4720c042c3c30e616b840", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}, {"rule": 2, "type": "equivalent", "target": "8911cf537e3c81e99f223106f705f385", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}, {"rule": 2, "type": "equivalent", "target": "a69025df57e9873eeee634c6a24b5f52", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "37ab9407c7a4720c042c3c30e616b840", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=18.6#18.6-020cfc417a109d87", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a69025df57e9873eeee634c6a24b5f52", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=16.15#16.15-1a9b527727b160db", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "8911cf537e3c81e99f223106f705f385", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=15.19#15.19-7ed1bdbb167b6fe1", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "03ed91689e7472f3e2b40c0668a9efe6", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix race condition in conflict detection for SERIALIZABLE isolation mode", "evidence": {"same_day": true, "patch_ids": ["76d6d81d4ce8e28654632817bbc18838"], "statement_hash": "08b20f0b0cc877fd90cf1664195b8bfe906cd38aa76d41fb6a77cbb2ead17297"}, "url": "/docs/compare/?release=14.24#14.24-62f053723972383a", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-0e94152c02ef540a", "cves": [], "html": "Fix race condition in ProcSignalBarrier code (Masahiko Sawada) §
\nThis error could result in processes getting stuck, typically after reporting “still waiting for backend with PID nnnn to accept ProcSignalBarrier”.
Fix race conditions when a set of processes that belong to the same lock group exit at the same time (Vlad Lesin) § §
\nThese errors could lead to PANIC aborts, with messages such as “latch already owned”. The issue does not normally arise in regular parallel query, since the leader won't exit before seeing its workers finish; but some extensions reach the problem.
", "text": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time (Vlad Lesin) § § These errors could lead to PANIC aborts, with messages such as “latch already owned”. The issue does not normally arise in regular parallel query, since the leader won't exit before seeing its workers finish; but some extensions reach the problem.", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "commits": ["d489c4439", "e14b4ea4a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "1b8d14e0094b12a5b68a920ce6d25b422beb7f4dd657708ccfcc710756c6404f", "section_path": ["Changes"], "commit_groups": [["12c9b8b42", "4e8edf53f", "84b9d6bce", "db4d12fc9", "e14b4ea4a", "e786fb5aa"], ["563104523", "65d04df60", "8007d1185", "ae08eb168", "d489c4439", "d5cc6df60"]], "identity_text": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time (Vlad Lesin) These errors could lead to PANIC aborts, with messages such as latch already owned. The issue does not normally arise in regular parallel query, since the leader won't exit before seeing its workers finish; but some extensions reach the problem.", "commit_aliases": ["12c9b8b42", "4e8edf53f", "563104523", "65d04df60", "8007d1185", "84b9d6bce", "ae08eb168", "d489c4439", "d5cc6df60", "db4d12fc9", "e14b4ea4a", "e786fb5aa"], "source_commits": ["d489c4439", "e14b4ea4a"], "source_entry_id": "17.11/changes/067", "db_id": "62cbccb23171427808fec1301b0ac804", "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592", "relations": [{"rule": 2, "type": "equivalent", "target": "2c46dad30462775a825ad96cfb3ffbdf", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}, {"rule": 2, "type": "equivalent", "target": "5b2fc7485dc383d08b3d68f5272b2a11", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}, {"rule": 2, "type": "equivalent", "target": "edd683109ce0095065cd3a04ab6b5136", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}, {"rule": 2, "type": "equivalent", "target": "f2fcbfdff352b775c9b16fc62d0649b5", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5b2fc7485dc383d08b3d68f5272b2a11", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=18.6#18.6-25e5a2422482dd1c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "2c46dad30462775a825ad96cfb3ffbdf", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=16.15#16.15-90b68cb35e0fad17", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "edd683109ce0095065cd3a04ab6b5136", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=15.19#15.19-786c47066d87de68", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "f2fcbfdff352b775c9b16fc62d0649b5", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Fix race conditions when a set of processes that belong to the same lock group exit at the same time", "evidence": {"same_day": true, "patch_ids": ["879e5bd994847bca2264dea6ae8e7636", "deebb0acfe2f0b111568661ecf5bdaeb"], "statement_hash": "8d70122ebcc8b017ec76eed632b4e53a2f4e86497efb77268f99f3855284c592"}, "url": "/docs/compare/?release=14.24#14.24-fc8ff9cc62311a3d", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-3f8c2715fb02eef2", "cves": [], "html": "Fix WAL logging of operations that clear bits in tables' visibility maps (Melanie Plageman, Andres Freund) § § §
\nSuch VM changes were missed by the WAL summarizer, potentially leading to incorrect incremental backups. We also failed to log full-page images of such VM pages when needed, potentially allowing torn page writes to go uncorrected. This could lead to misbehavior later, such as wrong results from index-only scans.
", "text": "Fix WAL logging of operations that clear bits in tables' visibility maps (Melanie Plageman, Andres Freund) § § § Such VM changes were missed by the WAL summarizer, potentially leading to incorrect incremental backups. We also failed to log full-page images of such VM pages when needed, potentially allowing torn page writes to go uncorrected. This could lead to misbehavior later, such as wrong results from index-only scans.", "title": "Fix WAL logging of operations that clear bits in tables' visibility maps", "commits": ["067213430", "7edec8b57", "c0d9864f5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "845e5e3ac1a228c732bd68692277c3a679de0f24a3c7ba70ae07ad6318617a7b", "section_path": ["Changes"], "commit_groups": [["067213430", "4d7feebfb", "5174d157a", "9171f77db"], ["10911fde0", "56bf5fa5d", "7edec8b57", "d0fb1da21"], ["b01c31eef", "c0d9864f5", "ed62d26ca", "f581fa729"]], "identity_text": "Fix WAL logging of operations that clear bits in tables' visibility maps (Melanie Plageman, Andres Freund) Such VM changes were missed by the WAL summarizer, potentially leading to incorrect incremental backups. We also failed to log full-page images of such VM pages when needed, potentially allowing torn page writes to go uncorrected. This could lead to misbehavior later, such as wrong results from index-only scans.", "commit_aliases": ["067213430", "10911fde0", "4d7feebfb", "5174d157a", "56bf5fa5d", "7edec8b57", "9171f77db", "b01c31eef", "c0d9864f5", "d0fb1da21", "ed62d26ca", "f581fa729"], "source_commits": ["067213430", "7edec8b57", "c0d9864f5"], "source_entry_id": "17.11/changes/068", "db_id": "4def260cbd8a4182ec017b70a81b56f5", "patch_ids": ["34adf46d69ca32061b06da3d079a7069", "41df06de615aa532015928409cff3d95", "892803f446e66b4cc097d23f3797a918"], "statement_hash": "06aadf1e9f9cee9405150393ea42bc91f00a02570025c6028daa277cee57c7f3", "relations": [{"rule": 2, "type": "equivalent", "target": "9fb751cb38bcd179121b328ba031747e", "evidence": {"same_day": true, "patch_ids": ["34adf46d69ca32061b06da3d079a7069", "41df06de615aa532015928409cff3d95", "892803f446e66b4cc097d23f3797a918"], "statement_hash": "06aadf1e9f9cee9405150393ea42bc91f00a02570025c6028daa277cee57c7f3"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9fb751cb38bcd179121b328ba031747e", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix WAL logging of operations that clear bits in tables' visibility maps", "evidence": {"same_day": true, "patch_ids": ["34adf46d69ca32061b06da3d079a7069", "41df06de615aa532015928409cff3d95", "892803f446e66b4cc097d23f3797a918"], "statement_hash": "06aadf1e9f9cee9405150393ea42bc91f00a02570025c6028daa277cee57c7f3"}, "url": "/docs/compare/?release=18.6#18.6-591cce0db8214715", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-aa32892bb54c9a4c", "cves": [], "html": "Prevent WAL summarizer process from getting stuck at a timeline switch (Robert Haas) § §
", "text": "Prevent WAL summarizer process from getting stuck at a timeline switch (Robert Haas) § §", "title": "Prevent WAL summarizer process from getting stuck at a timeline switch", "commits": ["499d9eabb", "d28cdf46e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "7fa465b27ef0d5c770984937315a722c131767ff6b02e3f6a1a7e2a419d0fcce", "section_path": ["Changes"], "commit_groups": [["18f0de6b8", "3e8a0c1b0", "499d9eabb", "dfb96277d"], ["1d299d6ab", "8767a10cb", "bdcea66f0", "d28cdf46e"]], "identity_text": "Prevent WAL summarizer process from getting stuck at a timeline switch (Robert Haas)", "commit_aliases": ["18f0de6b8", "1d299d6ab", "3e8a0c1b0", "499d9eabb", "8767a10cb", "bdcea66f0", "d28cdf46e", "dfb96277d"], "source_commits": ["499d9eabb", "d28cdf46e"], "source_entry_id": "17.11/changes/069", "db_id": "6c5349d1b6e45948404ea7876a48dcf9", "patch_ids": ["508495a1aeae90a13092582478007f0c", "99c5fedfb753eda3ff5558c646f420a7"], "statement_hash": "693f186e16744df775e9c612662444e181a78d71562335513f419c84cb3c35b9", "relations": [{"rule": 2, "type": "equivalent", "target": "3173f4833a6a0aae8a455f45a5a4568e", "evidence": {"same_day": true, "patch_ids": ["508495a1aeae90a13092582478007f0c", "99c5fedfb753eda3ff5558c646f420a7"], "statement_hash": "693f186e16744df775e9c612662444e181a78d71562335513f419c84cb3c35b9"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "3173f4833a6a0aae8a455f45a5a4568e", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Prevent WAL summarizer process from getting stuck at a timeline switch", "evidence": {"same_day": true, "patch_ids": ["508495a1aeae90a13092582478007f0c", "99c5fedfb753eda3ff5558c646f420a7"], "statement_hash": "693f186e16744df775e9c612662444e181a78d71562335513f419c84cb3c35b9"}, "url": "/docs/compare/?release=18.6#18.6-2ef24f05b5bd445d", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-563becf7bc3e6dcf", "cves": [], "html": "Fix race with timeline selection in logical decoding during standby promotion (Bertrand Drouvot) § §
\nLogical decoding being performed on the standby could fail with a “requested WAL segment has already been removed” error. A repeat attempt would succeed, so there was no permanent problem but there was an availability hazard.
", "text": "Fix race with timeline selection in logical decoding during standby promotion (Bertrand Drouvot) § § Logical decoding being performed on the standby could fail with a “requested WAL segment has already been removed” error. A repeat attempt would succeed, so there was no permanent problem but there was an availability hazard.", "title": "Fix race with timeline selection in logical decoding during standby promotion", "commits": ["16b89ff04", "ab5334d8b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "719875361b89ef78cebe25542fa6a933e5a27380d737eda91cdb6f9d9e352b13", "section_path": ["Changes"], "commit_groups": [["16b89ff04", "8cd687c44", "b4bd13850", "eb4e7224a"], ["2a04624da", "4bff3aa51", "a8ee70bd5", "ab5334d8b"], ["d9b49e5b4"]], "identity_text": "Fix race with timeline selection in logical decoding during standby promotion (Bertrand Drouvot) Logical decoding being performed on the standby could fail with a requested WAL segment has already been removed error. A repeat attempt would succeed, so there was no permanent problem but there was an availability hazard.", "commit_aliases": ["16b89ff04", "2a04624da", "4bff3aa51", "8cd687c44", "a8ee70bd5", "ab5334d8b", "b4bd13850", "d9b49e5b4", "eb4e7224a"], "source_commits": ["16b89ff04", "ab5334d8b", "d9b49e5b4"], "source_entry_id": "17.11/changes/070", "db_id": "d6f8670170e47d169eec30b65187d2c4", "patch_ids": ["0baec0cbb6545813886061f478d7fe09", "1bbd3b28c72161d54ff8850fb5990a90", "afe572d50b5aa93a1a43ac975df96fa6"], "statement_hash": "b5c88f0e08517e3cf00dd9b3461ec817031530e9f8f05c2cde86c91f4ec8fc51", "relations": [{"rule": 2, "type": "equivalent", "target": "7c127c9b86c4ff620059a798b7b8dda9", "evidence": {"same_day": true, "patch_ids": ["0baec0cbb6545813886061f478d7fe09", "1bbd3b28c72161d54ff8850fb5990a90", "afe572d50b5aa93a1a43ac975df96fa6"], "statement_hash": "b5c88f0e08517e3cf00dd9b3461ec817031530e9f8f05c2cde86c91f4ec8fc51"}}, {"rule": 2, "type": "equivalent", "target": "cfd9fb4fa936abb9c7ef216b4854fb3c", "evidence": {"same_day": true, "patch_ids": ["0baec0cbb6545813886061f478d7fe09", "1bbd3b28c72161d54ff8850fb5990a90", "afe572d50b5aa93a1a43ac975df96fa6"], "statement_hash": "b5c88f0e08517e3cf00dd9b3461ec817031530e9f8f05c2cde86c91f4ec8fc51"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "cfd9fb4fa936abb9c7ef216b4854fb3c", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix race with timeline selection in logical decoding during standby promotion", "evidence": {"same_day": true, "patch_ids": ["0baec0cbb6545813886061f478d7fe09", "1bbd3b28c72161d54ff8850fb5990a90", "afe572d50b5aa93a1a43ac975df96fa6"], "statement_hash": "b5c88f0e08517e3cf00dd9b3461ec817031530e9f8f05c2cde86c91f4ec8fc51"}, "url": "/docs/compare/?release=18.6#18.6-c988b88dbd957c88", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "7c127c9b86c4ff620059a798b7b8dda9", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Fix race with timeline selection in logical decoding during standby promotion", "evidence": {"same_day": true, "patch_ids": ["0baec0cbb6545813886061f478d7fe09", "1bbd3b28c72161d54ff8850fb5990a90", "afe572d50b5aa93a1a43ac975df96fa6"], "statement_hash": "b5c88f0e08517e3cf00dd9b3461ec817031530e9f8f05c2cde86c91f4ec8fc51"}, "url": "/docs/compare/?release=16.15#16.15-d4ff6572d90ae3ad", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}]}, {"id": "17.11-1e3e950c5c9035d8", "cves": [], "html": "Avoid exposing a WAL receiver's full connection string during timeline jumps (Chao Li) §
\nThe pg_stat_wal_receiver view should show a sanitized version of the connection string, without sensitive data. But it transiently showed the full string when we re-use an existing WAL receiver.
Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication (Varik Matevosyan) §
\nA malicious or buggy publisher could send inconsistent numbers of columns. While we could not find a scenario in which this would have serious ill effects, extra caution seems warranted.
", "text": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication (Varik Matevosyan) § A malicious or buggy publisher could send inconsistent numbers of columns. While we could not find a scenario in which this would have serious ill effects, extra caution seems warranted.", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "commits": ["15f4e3d0c"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "7162358923c6dcddd61b47a94ddca4dda93b01e9baf24f85076ce43a6bd254d7", "section_path": ["Changes"], "commit_groups": [["15f4e3d0c", "510a05f07", "59759e1a5", "871d4f5b6", "bf7d19be9", "dc3db3a83"]], "identity_text": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication (Varik Matevosyan) A malicious or buggy publisher could send inconsistent numbers of columns. While we could not find a scenario in which this would have serious ill effects, extra caution seems warranted.", "commit_aliases": ["15f4e3d0c", "510a05f07", "59759e1a5", "871d4f5b6", "bf7d19be9", "dc3db3a83"], "source_commits": ["15f4e3d0c"], "source_entry_id": "17.11/changes/072", "db_id": "52499b2c374ab99a8520d4e208b224ca", "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215", "relations": [{"rule": 2, "type": "equivalent", "target": "29b7d5b8d289c2e83357b4b3887c6ece", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}, {"rule": 2, "type": "equivalent", "target": "2bec14054822093ac2f6b8e098cf50ef", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}, {"rule": 2, "type": "equivalent", "target": "3d36fdfc273db605a521f97942cc7c8b", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}, {"rule": 2, "type": "equivalent", "target": "b984d160c74d462df46c0818a7351ddb", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "29b7d5b8d289c2e83357b4b3887c6ece", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=18.6#18.6-842cc1f1f4a2405b", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "3d36fdfc273db605a521f97942cc7c8b", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=16.15#16.15-a8762c512498c73b", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "b984d160c74d462df46c0818a7351ddb", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=15.19#15.19-8e9a0447c93f98f9", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "2bec14054822093ac2f6b8e098cf50ef", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Use run-time checks, not just Asserts, to verify the correct number of columns in tuples received during logical replication", "evidence": {"same_day": true, "patch_ids": ["8665f0efb53857b1f65d3aab55fce701"], "statement_hash": "ccb9933f82e897841fcc7799b27c7cb46784658d50590f121d691ba4eb1ab215"}, "url": "/docs/compare/?release=14.24#14.24-09af4da1397bcb08", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-f6a7585b485a41e6", "cves": [], "html": "Clean up quoting of string parameters within constructed replication commands (Tom Lane) §
\nVarious places that generate replication commands were not being adequately careful about quoting replication slot names and other parameters that need to be inserted into those commands. This could result in unexpected syntax errors in those commands. In principle, a crafted replication slot name could result in SQL injection; but such a scenario seems very unlikely to occur in practice, since replication operations can only be invoked by highly-privileged users and there is no reason for them to use a slot name coming from an untrustworthy source.
", "text": "Clean up quoting of string parameters within constructed replication commands (Tom Lane) § Various places that generate replication commands were not being adequately careful about quoting replication slot names and other parameters that need to be inserted into those commands. This could result in unexpected syntax errors in those commands. In principle, a crafted replication slot name could result in SQL injection; but such a scenario seems very unlikely to occur in practice, since replication operations can only be invoked by highly-privileged users and there is no reason for them to use a slot name coming from an untrustworthy source.", "title": "Clean up quoting of string parameters within constructed replication commands", "commits": ["14810cc0d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "bc13bf78e55f7150277f4eda67e7faf2b5de10c798467c0e900147f8c9f3d7b9", "section_path": ["Changes"], "commit_groups": [["14810cc0d", "26d6c19d0", "2a00840e8", "819e5b964", "a75bd485b", "abb582555"]], "identity_text": "Clean up quoting of string parameters within constructed replication commands (Tom Lane) Various places that generate replication commands were not being adequately careful about quoting replication slot names and other parameters that need to be inserted into those commands. This could result in unexpected syntax errors in those commands. In principle, a crafted replication slot name could result in SQL injection; but such a scenario seems very unlikely to occur in practice, since replication operations can only be invoked by highly-privileged users and there is no reason for them to use a slot name coming from an untrustworthy source.", "commit_aliases": ["14810cc0d", "26d6c19d0", "2a00840e8", "819e5b964", "a75bd485b", "abb582555"], "source_commits": ["14810cc0d"], "source_entry_id": "17.11/changes/073", "db_id": "de678a747a30bf549de927b53ebbc3e7", "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa", "relations": [{"rule": 2, "type": "equivalent", "target": "1ef980c1780b85528850bbdd9466fa41", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}, {"rule": 2, "type": "equivalent", "target": "492d74031b46a2dbdba89517c2392411", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}, {"rule": 2, "type": "equivalent", "target": "54ed2b1cad03859f062c5ae13dc62693", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}, {"rule": 2, "type": "equivalent", "target": "74c4a1b4a808ecb95dfae29020191080", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "1ef980c1780b85528850bbdd9466fa41", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=18.6#18.6-9e33f830eed35c6f", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "74c4a1b4a808ecb95dfae29020191080", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=16.15#16.15-af8c105159d57f3b", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "492d74031b46a2dbdba89517c2392411", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=15.19#15.19-f46d264eacda5b12", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "54ed2b1cad03859f062c5ae13dc62693", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Clean up quoting of string parameters within constructed replication commands", "evidence": {"same_day": true, "patch_ids": ["32ecc5c79c988e036daa92766ab9c826"], "statement_hash": "247fbb71eedfaa36fb21d3377adab99beeefb9b4863ba98c464369fe5a6bc0fa"}, "url": "/docs/compare/?release=14.24#14.24-064a7da098f9ba6c", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-4fcd3ca4da51d952", "cves": [], "html": "Fix logical decoding of empty prepared transactions (Masahiko Sawada) §
\nA prepared transaction that did not cause any decodable updates could result in sending COMMIT/ROLLBACK PREPARED to the output plugin with no preceding PREPARE. For the built-in subscriber this breaks replication, and other plugins will probably not like it either.
Fix corruption of unlogged sequences after standby promotion (Fujii Masao) §
\nPreviously, if an unlogged sequence was created on the primary and replicated to a standby, accessing the sequence after promoting the standby could fail with “bad magic number in sequence” or related errors.
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\nA cascading standby could fail to reconnect to its upstream standby with “requested starting point ... is ahead of the WAL flush position” after falling back to archive recovery.
", "text": "Fix cascading standby reconnect failure after archive fallback (Marco Nenciarini) § A cascading standby could fail to reconnect to its upstream standby with “requested starting point ... is ahead of the WAL flush position” after falling back to archive recovery.", "title": "Fix cascading standby reconnect failure after archive fallback", "commits": ["2cf28d1b9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "b4b13703ffe24452dbaaf532d75735c681518fbf7e5f738b18bd03a43cd757c0", "section_path": ["Changes"], "commit_groups": [["2cf28d1b9", "331016322", "5dbeb69bc", "5fb3c6389", "8f64cc83f", "b614de487", "bef46aed3"]], "identity_text": "Fix cascading standby reconnect failure after archive fallback (Marco Nenciarini) A cascading standby could fail to reconnect to its upstream standby with requested starting point ... is ahead of the WAL flush position after falling back to archive recovery.", 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Event trigger cleanup tried to perform that action on standby servers as well as the primary. That can't work on a standby, and there's no need anyway since replay of the primary's database change will soon fix it.
", "text": "Do not try to clear pg_database.dathasloginevt locally on a standby server (Ayush Tiwari) § Event trigger cleanup tried to perform that action on standby servers as well as the primary. That can't work on a standby, and there's no need anyway since replay of the primary's database change will soon fix it.", "title": "Do not try to clear pg_database.dathasloginevt locally on a standby server", "commits": ["4a375527a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "9160c7de11017a80cbf5cbefd5227ca3dd33e37c025bd13302c0e5ae5d07aae8", "section_path": ["Changes"], "commit_groups": [["4a375527a", "97b5c5aaa", "bec61f593"]], "identity_text": "Do not try to clear pg_database.dathasloginevt locally on a standby server (Ayush Tiwari) Event trigger cleanup tried to perform that action on standby servers as well as the primary. That can't work on a standby, and there's no need anyway since replay of the primary's database change will soon fix it.", "commit_aliases": ["4a375527a", "97b5c5aaa", "bec61f593"], "source_commits": ["4a375527a"], "source_entry_id": "17.11/changes/077", "db_id": "2652e45990dd9ead74f7cb1a60cd06ae", "patch_ids": ["4ce4f54c8bf735435a0cd83d5e3fd94c"], "statement_hash": "ccdeea440cff75c363fd3daa73d137e4deed890abd48b629fa6387377abac755", "relations": [{"rule": 2, "type": "equivalent", "target": "c7c89eea0ca114afbedbf0cfbae711f9", "evidence": {"same_day": true, "patch_ids": ["4ce4f54c8bf735435a0cd83d5e3fd94c"], "statement_hash": "ccdeea440cff75c363fd3daa73d137e4deed890abd48b629fa6387377abac755"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7c89eea0ca114afbedbf0cfbae711f9", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Do not try to clear pg_database.dathasloginevt locally on a standby server", "evidence": {"same_day": true, "patch_ids": ["4ce4f54c8bf735435a0cd83d5e3fd94c"], "statement_hash": "ccdeea440cff75c363fd3daa73d137e4deed890abd48b629fa6387377abac755"}, "url": "/docs/compare/?release=18.6#18.6-d53aeb4078876f26", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-5aeb772ab7b96772", "cves": [], "html": "Avoid race condition while dropping obsolete replication slots (Xuneng Zhou) §
\nAn incorrect unlock and log message could occur if another session immediately re-used the dropped slot's shared-memory entry.
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\nThe slot-releasing code performed some additional updates to the replication slot's shared-memory entry after releasing the slot. This is unsafe since another session could immediately re-use the dropped slot's shared-memory entry. Skip those updates in the case of an ephemeral slot.
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Clear base backup progress on backup failure (Chao Li) § §
\nPreviously the pg_stat_progress_basebackup view would continue to show a stale progress entry after a failure, until the replication client disconnected. pg_basebackup normally disconnects immediately, but other clients might not.
Fix possible PANIC due to concurrent drop of pgstats entries when track_functions is enabled (Sami Imseih, Michael Paquier) § § §
Clean up broken local pgstats entry after failing to obtain space for the corresponding shared hashtable entry (Niall Newman) §
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The underlying server function permits users who have pg_read_all_stats privileges to see the sizes of all databases, even if they lack CONNECT privilege. But psql was unaware of that provision and would not call the function unless the user has CONNECT privilege.
Fix psql's tab completion for \\df to consider procedures too (Erik Wienhold) §
Fix thread-safety bug in pgbench (Fujii Masao) §
\nWhen pgbench runs with multiple threads and the --verbose-errors option, different threads could attempt to use the same buffer to construct error messages, leading to corrupted log output.
In pg_combinebackup, prevent infinite loop if the source file is shorter than expected (Peter Eisentraut) §
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\nWhen pg_createsubscriber fails after creating logical replication objects, it should remove the publication and replication slot that it created on the publisher. Some error cases failed to do so.
", "text": "Fix cleanup of publisher-side objects after errors in pg_createsubscriber (Nisha Moond) § When pg_createsubscriber fails after creating logical replication objects, it should remove the publication and replication slot that it created on the publisher. Some error cases failed to do so.", "title": "Fix cleanup of publisher-side objects after errors in pg_createsubscriber", "commits": ["c03784a21"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "a1d75d666e44a60984067015d9d6bcab7f9bc370d87822e0eb6afbafa4d22e93", "section_path": ["Changes"], "commit_groups": [["12d000488", "196b4b5ae", "c03784a21"]], "identity_text": "Fix cleanup of publisher-side objects after errors in pg_createsubscriber (Nisha Moond) When pg_createsubscriber fails after creating logical replication objects, it should remove the publication and replication slot that it created on the publisher. Some error cases failed to do so.", "commit_aliases": ["12d000488", "196b4b5ae", "c03784a21"], "source_commits": ["c03784a21"], "source_entry_id": "17.11/changes/094", "db_id": "a5c36038d3fc8268a2ecbdc5f6d205fc", "patch_ids": ["294a0298249f9d0b66c918ec534fd2fa"], "statement_hash": "0b52e9786bbf3135e7724a4cd772716beafec6c0f4a214b285af87f0fd2ba380", "relations": [{"rule": 2, "type": "equivalent", "target": "b3b32d95005620db1dde6737c217ff79", "evidence": {"same_day": true, "patch_ids": ["294a0298249f9d0b66c918ec534fd2fa"], "statement_hash": "0b52e9786bbf3135e7724a4cd772716beafec6c0f4a214b285af87f0fd2ba380"}}], "version": "17.11", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b3b32d95005620db1dde6737c217ff79", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Fix cleanup of publisher-side objects after errors in pg_createsubscriber", "evidence": {"same_day": true, "patch_ids": ["294a0298249f9d0b66c918ec534fd2fa"], "statement_hash": "0b52e9786bbf3135e7724a4cd772716beafec6c0f4a214b285af87f0fd2ba380"}, "url": "/docs/compare/?release=18.6#18.6-280913453570aa34", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}]}, {"id": "17.11-7a66a4f0ad5abf3d", "cves": [], "html": "Use the source cluster's group-read file permissions for pg_recvlogical output files (Fujii Masao) §
\npg_recvlogical was documented to behave this way, but it never actually enabled group-read.
", "text": "Use the source cluster's group-read file permissions for pg_recvlogical output files (Fujii Masao) § pg_recvlogical was documented to behave this way, but it never actually enabled group-read.", "title": "Use the source cluster's group-read file permissions for pg_recvlogical output files", "commits": ["ddd12d1a5"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "2d362a8419c84544506326cf62a517eae4c23ecc6d7d232d922163964cfefbb4", "section_path": ["Changes"], "commit_groups": [["263d1e6df", "5552a15a3", "89b4b3ae3", "9590dcfca", "ba9833a75", "ddd12d1a5"]], "identity_text": "Use the source cluster's group-read file permissions for pg_recvlogical output files (Fujii Masao) pg_recvlogical was documented to behave this way, but it never actually enabled group-read.", "commit_aliases": ["263d1e6df", "5552a15a3", "89b4b3ae3", "9590dcfca", "ba9833a75", "ddd12d1a5"], "source_commits": ["ddd12d1a5"], "source_entry_id": "17.11/changes/095", "db_id": "7c4fc2d9507cff650a6e11a00319e316", "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e", "relations": [{"rule": 2, "type": "equivalent", "target": "46627f579bf31b5d6613ea2ead9a438c", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}}, {"rule": 2, "type": "equivalent", "target": "5e9c0809074f8046eb23cf8c625f723d", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}}, {"rule": 2, "type": "equivalent", "target": "739e2a6e3be37fb134a81099033e7b88", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}}, {"rule": 2, "type": "equivalent", "target": "f4924985d224acc909a53983f158ebbe", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "739e2a6e3be37fb134a81099033e7b88", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Use the source cluster's group-read file permissions for pg_recvlogical output files", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}, "url": "/docs/compare/?release=18.6#18.6-ccc1d394ba38511a", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "f4924985d224acc909a53983f158ebbe", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Use the source cluster's group-read file permissions for pg_recvlogical output files", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}, "url": "/docs/compare/?release=16.15#16.15-f3298ba05de83c9a", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "46627f579bf31b5d6613ea2ead9a438c", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Use the source cluster's group-read file permissions for pg_recvlogical output files", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}, "url": "/docs/compare/?release=15.19#15.19-eb042822e75a511b", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "5e9c0809074f8046eb23cf8c625f723d", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Use the source cluster's group-read file permissions for pg_recvlogical output files", "evidence": {"same_day": true, "patch_ids": ["afbffd5094352bc11bf18ec699c42866"], "statement_hash": "76c08921b60501e09bdf60cd197949c5372599c542dc2702bad076644bfb808e"}, "url": "/docs/compare/?release=14.24#14.24-af180ca6c48802b4", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-43173bad4eaa1b27", "cves": [], "html": "In contrib/amcheck, handle short-header varlena datums correctly (Andrey Borodin) §
This error could result in doing excess work while verifying a btree index, but seems not to have had any worse consequences.
", "text": "In contrib/amcheck, handle short-header varlena datums correctly (Andrey Borodin) § This error could result in doing excess work while verifying a btree index, but seems not to have had any worse consequences.", "title": "In contrib/amcheck, handle short-header varlena datums correctly", "commits": ["8abb8a155"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "e018f0b042d64dcca79a21b96b2ea3474917d26dcc23debba5a60a3f14ef8653", "section_path": ["Changes"], "commit_groups": [["4284476c0", "897e79486", "8abb8a155", "af09b18cb", "c89a1ca01", "da1eff08a"]], "identity_text": "In contrib/amcheck, handle short-header varlena datums correctly (Andrey Borodin) This error could result in doing excess work while verifying a btree index, but seems not to have had any worse consequences.", "commit_aliases": ["4284476c0", "897e79486", "8abb8a155", "af09b18cb", "c89a1ca01", "da1eff08a"], "source_commits": ["8abb8a155"], "source_entry_id": "17.11/changes/096", "db_id": "3b8c851869278523310ddb5e0cf66c28", "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d", "relations": [{"rule": 2, "type": "equivalent", "target": "2d507c3ecfdc88b0a54eabbb1a06a7e0", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}}, {"rule": 2, "type": "equivalent", "target": "45cd63fac27296a03920e2ac709b0ed6", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}}, {"rule": 2, "type": "equivalent", "target": "cdde56de8d6ffe6162fb47b834f39528", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}}, {"rule": 2, "type": "equivalent", "target": "e3d3da7d18247e58916c107812921cf0", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}}], "version": "17.11", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "2d507c3ecfdc88b0a54eabbb1a06a7e0", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "In contrib/amcheck, handle short-header varlena datums correctly", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}, "url": "/docs/compare/?release=18.6#18.6-83d0b073d364f75c", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "e3d3da7d18247e58916c107812921cf0", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "In contrib/amcheck, handle short-header varlena datums correctly", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}, "url": "/docs/compare/?release=16.15#16.15-22551bc799d71de7", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "45cd63fac27296a03920e2ac709b0ed6", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "In contrib/amcheck, handle short-header varlena datums correctly", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}, "url": "/docs/compare/?release=15.19#15.19-2872239e215fe909", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "cdde56de8d6ffe6162fb47b834f39528", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "In contrib/amcheck, handle short-header varlena datums correctly", "evidence": {"same_day": true, "patch_ids": ["d7fc6f8977003129b1104cd80d7d07dc"], "statement_hash": "e472f473c1b1497e339e1735040e13130df76e2534eb81a81dc2b51327126c5d"}, "url": "/docs/compare/?release=14.24#14.24-de8368e77c874cdf", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-62f2c81188559a68", "cves": [], "html": "In contrib/btree_gist, fix NaN handling in the float4 and float8 opclasses (Bill Kim, Tom Lane) §
Comparisons, as well as the GiST penalty and distance functions, did not account for NaN and would give the wrong answer when handed one. It is recommended to reindex btree_gist indexes on float columns after installing this update, if there is any possibility that there are NaN entries in those columns.
In contrib/btree_gist, fix searches using a not-equal operator (Ayush Tiwari) §
For variable-length data types, the code for scanning non-leaf index pages applied the wrong comparison function, leading to wrong results and potentially crashes.
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Prevent stack overflow when dealing with deeply nested jsonb values, and allow interruption of the infinite loop caused when attempting to dereference circular chains of Perl object references.
Fix missed release of statistics catcache entry in contrib/intarray (Man Zeng) §
This oversight led to warnings like “resource was not closed: cache pg_statistic”.
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ltree values containing more than about 14,653 labels resulted in wrong comparison answers due to overflow. If a btree index contains such values, it is probably corrupt and should be reindexed after installing this update.
In contrib/pgcrypto, avoid double-free crash after encountering an error while using an OSSLCipher object (Yuelin Wang) §
Fix array overrun in contrib/pg_surgery's heap_force_kill and heap_force_freeze functions (Michael Paquier) §
Attempting to change a TID whose offset number equals MaxHeapTuplesPerPage wrote one byte past the end of the allocated array, potentially crashing the server.
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Avoid NULL-pointer dereference in contrib/refint's check_foreign_key() (Ayush Tiwari) §
In the on-update-cascade case, a null value of a referenced column led to a crash. This is an oversight in the fix for CVE-2026-6637, but the code that was there before that wasn't really right either.
", "text": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key() (Ayush Tiwari) § In the on-update-cascade case, a null value of a referenced column led to a crash. This is an oversight in the fix for CVE-2026-6637, but the code that was there before that wasn't really right either.", "title": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key()", "commits": ["6b4de201e"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.11/#RELEASE-17-11-CHANGES", "source_hash": "6b28a24e84432ef095072dc5818a8589b49386ea01daa0ac2253d50d2ce216b6", "section_path": ["Changes"], "commit_groups": [["1de0a711d", "611756948", "6b4de201e", "77b2d18e9", "eb93f10e2", "ed0c4d5af"]], "identity_text": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key() (Ayush Tiwari) In the on-update-cascade case, a null value of a referenced column led to a crash. This is an oversight in the fix for CVE-2026-6637, but the code that was there before that wasn't really right either.", "commit_aliases": ["1de0a711d", "611756948", "6b4de201e", "77b2d18e9", "eb93f10e2", "ed0c4d5af"], "source_commits": ["6b4de201e"], "source_entry_id": "17.11/changes/105", "db_id": "4a53f44037d5d1ea5b714eb8d91567ee", "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374", "relations": [{"rule": 2, "type": "equivalent", "target": "1404c503877f8a1f5c524fd84656cf87", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}}, {"rule": 2, "type": "equivalent", "target": "220e195253d94eac399969a628bda519", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}}, {"rule": 2, "type": "equivalent", "target": "98b367e0c42416fd78e2312f81ec66e2", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}}, {"rule": 2, "type": "equivalent", "target": "a4fcc13dcc4b7cf6a5470b40915f7de5", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}}], "version": "17.11", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "1404c503877f8a1f5c524fd84656cf87", "kind": "equivalent", "version": "18.6", "label": "18.6", "title": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key()", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}, "url": "/docs/compare/?release=18.6#18.6-8573bd52d03d8b3e", "source_url": "/docs/release/18.6/#RELEASE-18-6-CHANGES"}, {"db_id": "a4fcc13dcc4b7cf6a5470b40915f7de5", "kind": "equivalent", "version": "16.15", "label": "16.15", "title": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key()", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}, "url": "/docs/compare/?release=16.15#16.15-744702bd470fa361", "source_url": "/docs/release/16.15/#RELEASE-16-15-CHANGES"}, {"db_id": "220e195253d94eac399969a628bda519", "kind": "equivalent", "version": "15.19", "label": "15.19", "title": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key()", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}, "url": "/docs/compare/?release=15.19#15.19-e808c12e0db01138", "source_url": "/docs/release/15.19/#id-1.11.6.6.5"}, {"db_id": "98b367e0c42416fd78e2312f81ec66e2", "kind": "equivalent", "version": "14.24", "label": "14.24", "title": "Avoid NULL-pointer dereference in contrib/refint's check_foreign_key()", "evidence": {"same_day": true, "patch_ids": ["47510ee01f1ec9c76e280af528461da2"], "statement_hash": "95ffa03f4949f1fbe65efb454898eb0f8b9358951a8110fcc4b0547102b37374"}, "url": "/docs/compare/?release=14.24#14.24-1db62b2c5a9b5839", "source_url": "/docs/release/14.24/#id-1.11.6.6.6"}]}, {"id": "17.11-f8ebcb7cb6568363", "cves": [], "html": "Fix contrib/seg to print segments with ~ certainty indicators correctly (Ewan Young) §
Due to a typo, seg_out() did not print a ~ certainty indicator attached to a segment's upper boundary. Worse, if the lower boundary had ~ while the upper boundary had no indicator, the upper boundary was not printed at all, incorrectly converting the value into an open interval.
Fix crash with namespace nodes in contrib/xml2's xpath_nodeset() function (Andrey Chernyy, Michael Paquier) §
Support building PostgreSQL with OpenSSL 4 (Daniel Gustafsson) §
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Morocco (Africa/Casablanca) will move to permanent UTC+00, without daylight saving time transitions, on 2026-09-20.
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\nA malicious client could crash the connected backend by alternating rejected SSL and GSS encryption requests indefinitely.
\nThe PostgreSQL Project thanks Calif.io (in collaboration with Claude and Anthropic Research) for reporting this problem. (CVE-2026-6479)
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\nThe PostgreSQL Project thanks Xint Code, Bruce Dang, Sven Klemm, and Pavel Kohout for reporting these problems. (CVE-2026-6473)
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Overflow would lead to allocating a too-small buffer which the caller would then write past the end of. This would at least trigger server crashes, and probably could be exploited for arbitrary code execution. In many but by no means all cases, the hazard exists only in 32-bit builds. The PostgreSQL Project thanks Xint Code, Bruce Dang, Sven Klemm, and Pavel Kohout for reporting these problems. 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"e134dbaa858fe12a3a5fc6391ac874300d57d4269c0f25b416434cdc943690d8"}, "url": "/docs/compare/?release=14.23#14.23-1cae472cd8aafd7d", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-927543ba721f9720", "cves": ["CVE-2026-6476"], "html": "Properly quote subscription names in pg_createsubscriber (Nathan Bossart) §
\nThe given subscription name was inserted into SQL commands without quoting, so that SQL injection could be achieved in the (perhaps unlikely) case that the subscription name comes from an untrusted source.
\nThe PostgreSQL Project thanks Yu Kunpeng for reporting this problem. (CVE-2026-6476)
", "text": "Properly quote subscription names in pg_createsubscriber (Nathan Bossart) § The given subscription name was inserted into SQL commands without quoting, so that SQL injection could be achieved in the (perhaps unlikely) case that the subscription name comes from an untrusted source. The PostgreSQL Project thanks Yu Kunpeng for reporting this problem. (CVE-2026-6476)", "title": "Properly quote subscription names in pg_createsubscriber", "commits": ["d7de7fa84"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "4807d6f79bb16ec55a0c1ebb8826b5ad865ff50428dc408b9d0b6a5a1f5bbbb3", "section_path": ["Changes"], "commit_groups": [["c2e44c370", "d389415ff", "d7de7fa84"]], "identity_text": "Properly quote subscription names in pg_createsubscriber (Nathan Bossart) The given subscription name was inserted into SQL commands without quoting, so that SQL injection could be achieved in the (perhaps unlikely) case that the subscription name comes from an untrusted source. The PostgreSQL Project thanks Yu Kunpeng for reporting this problem. (CVE-2026-6476)", "commit_aliases": ["c2e44c370", "d389415ff", "d7de7fa84"], "source_commits": ["d7de7fa84"], "source_entry_id": "17.10/changes/003", "db_id": "c1016302d421112d19c9bbb963270941", "patch_ids": ["e720680b86f42b77dffa98182668476a"], "statement_hash": "ab8d616fe93986f065230107e451ba6882c134da9ddc1a51188a772cce10dc27", "relations": [{"rule": 2, "type": "equivalent", "target": "eda2bad4600ad30b4d662076df8c2604", "evidence": {"same_day": true, "patch_ids": ["e720680b86f42b77dffa98182668476a"], "statement_hash": "ab8d616fe93986f065230107e451ba6882c134da9ddc1a51188a772cce10dc27"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "eda2bad4600ad30b4d662076df8c2604", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Properly quote subscription names in pg_createsubscriber", "evidence": {"same_day": true, "patch_ids": ["e720680b86f42b77dffa98182668476a"], "statement_hash": "ab8d616fe93986f065230107e451ba6882c134da9ddc1a51188a772cce10dc27"}, "url": "/docs/compare/?release=18.4#18.4-5bdcbd2e82271018", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}]}, {"id": "17.10-fdd0ba1867f4cdc1", "cves": ["CVE-2026-6638"], "html": "Properly quote object names in logical replication origin checks (Pavel Kohout) §
\nALTER SUBSCRIPTION ... REFRESH PUBLICATION interpolated schema and relation names into SQL commands without quoting them, allowing execution of arbitrary SQL on the publisher.
The PostgreSQL Project thanks Pavel Kohout for reporting this problem. (CVE-2026-6638)
", "text": "Properly quote object names in logical replication origin checks (Pavel Kohout) § ALTER SUBSCRIPTION ... REFRESH PUBLICATION interpolated schema and relation names into SQL commands without quoting them, allowing execution of arbitrary SQL on the publisher. The PostgreSQL Project thanks Pavel Kohout for reporting this problem. (CVE-2026-6638)", "title": "Properly quote object names in logical replication origin checks", "commits": ["f0f59b658"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "2e13f748ebe4ad7152ef3046f43d32a61acbc156151d02fd824bb9e886e85d59", "section_path": ["Changes"], "commit_groups": [["248a433cd", "46b4f5c11", "cb35d7306", "f0f59b658"]], "identity_text": "Properly quote object names in logical replication origin checks (Pavel Kohout) ALTER SUBSCRIPTION ... REFRESH PUBLICATION interpolated schema and relation names into SQL commands without quoting them, allowing execution of arbitrary SQL on the publisher. The PostgreSQL Project thanks Pavel Kohout for reporting this problem. (CVE-2026-6638)", "commit_aliases": ["248a433cd", "46b4f5c11", "cb35d7306", "f0f59b658"], "source_commits": ["f0f59b658"], "source_entry_id": "17.10/changes/004", "db_id": "6b9ad77c2d8c8cf7ed6c43c56746b015", "patch_ids": ["a9b5d94f4021c4259f919029b9984225"], "statement_hash": "13a92db4a9747d0e4148764ace1c5b2427bc1582543dea88fe555dd3a4b24743", "relations": [{"rule": 2, "type": "equivalent", "target": "160fa6992f90d49b5edf0769aa32c248", "evidence": {"same_day": true, "patch_ids": ["a9b5d94f4021c4259f919029b9984225"], "statement_hash": "13a92db4a9747d0e4148764ace1c5b2427bc1582543dea88fe555dd3a4b24743"}}, {"rule": 2, "type": "equivalent", "target": "f75aecc1c0c865955094a916f7c78463", "evidence": {"same_day": true, "patch_ids": ["a9b5d94f4021c4259f919029b9984225"], "statement_hash": "13a92db4a9747d0e4148764ace1c5b2427bc1582543dea88fe555dd3a4b24743"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "160fa6992f90d49b5edf0769aa32c248", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Properly quote object names in logical replication origin checks", "evidence": {"same_day": true, "patch_ids": ["a9b5d94f4021c4259f919029b9984225"], "statement_hash": "13a92db4a9747d0e4148764ace1c5b2427bc1582543dea88fe555dd3a4b24743"}, "url": "/docs/compare/?release=18.4#18.4-a09de455386cd30a", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "f75aecc1c0c865955094a916f7c78463", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Properly quote object names in logical replication origin checks", "evidence": {"same_day": true, "patch_ids": ["a9b5d94f4021c4259f919029b9984225"], "statement_hash": "13a92db4a9747d0e4148764ace1c5b2427bc1582543dea88fe555dd3a4b24743"}, "url": "/docs/compare/?release=16.14#16.14-de346e2ac011900c", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}]}, {"id": "17.10-b66b265350df29d2", "cves": ["CVE-2026-6473"], "html": "Reject over-length options in ts_headline() (Michael Paquier) §
The StartSel, StopSel and FragmentDelimiter strings must not exceed 32Kb in length, but this was not checked for. An over-length value would typically crash the server.
The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)
", "text": "Reject over-length options in ts_headline() (Michael Paquier) § The StartSel, StopSel and FragmentDelimiter strings must not exceed 32Kb in length, but this was not checked for. An over-length value would typically crash the server. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "title": "Reject over-length options in ts_headline()", "commits": ["3ed3dbbf4"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "7cf11858483a91e864077bd53d40c4e8c0400f42e14901b411f7dcfe3eda34e8", "section_path": ["Changes"], "commit_groups": [["2d267ffc4", "3ed3dbbf4", "5919e0005", "62ad26266", "7fe365693", "d388e1d7f"]], "identity_text": "Reject over-length options in ts_headline() (Michael Paquier) The StartSel, StopSel and FragmentDelimiter strings must not exceed 32Kb in length, but this was not checked for. An over-length value would typically crash the server. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "commit_aliases": ["2d267ffc4", "3ed3dbbf4", "5919e0005", "62ad26266", "7fe365693", "d388e1d7f"], "source_commits": ["3ed3dbbf4"], "source_entry_id": "17.10/changes/005", "db_id": "0d396ecb6f57179d943c76706100debf", "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330", "relations": [{"rule": 2, "type": "equivalent", "target": "4e96017be5ce2c6f1d23bf476a962747", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}, {"rule": 2, "type": "equivalent", "target": "afe38bbdb09239daec9610fc4bf0002f", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}, {"rule": 2, "type": "equivalent", "target": "c2a972753505f1b0a01bf236c883ccad", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}, {"rule": 2, "type": "equivalent", "target": "ca39bd1c4d36eb3d5c6808cd66068408", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "afe38bbdb09239daec9610fc4bf0002f", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=18.4#18.4-2463210164fd4e42", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "4e96017be5ce2c6f1d23bf476a962747", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=16.14#16.14-d9ce899f638fe2e1", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "c2a972753505f1b0a01bf236c883ccad", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=15.18#15.18-c3608e796458d13b", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "ca39bd1c4d36eb3d5c6808cd66068408", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Reject over-length options in ts_headline()", "evidence": {"same_day": true, "patch_ids": ["8457c408eab825cef1442be8b008d331"], "statement_hash": "fa5b62f6b191298714caf3ad9670542a5ca5106f71c0bcc2d9d2de48ba2a0330"}, "url": "/docs/compare/?release=14.23#14.23-c4c6b68f62616df1", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-f68835d296474e15", "cves": ["CVE-2026-6474"], "html": "Guard against malicious time zone names in timeofday() and pg_strftime() (Tom Lane) § §
A crafted time zone setting could pass % sequences to snprintf(), potentially causing crashes or disclosure of server memory. Another path to similar results was to overflow the limited-size output buffer used by pg_strftime().
The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6474)
", "text": "Guard against malicious time zone names in timeofday() and pg_strftime() (Tom Lane) § § A crafted time zone setting could pass % sequences to snprintf(), potentially causing crashes or disclosure of server memory. Another path to similar results was to overflow the limited-size output buffer used by pg_strftime(). The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6474)", "title": "Guard against malicious time zone names in timeofday() and pg_strftime()", "commits": ["4197c880c", "a386d14fe"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "4fd55743792fde17e697b9bb26fe7c2f6f0be0f2fd47701d165ecf91326990f1", "section_path": ["Changes"], "commit_groups": [["126a236ba", "24e0e3254", "4197c880c", "76ab76f87", "a50ae8306", "ba27389c2"], ["2c8226f52", "79b7847c7", "a386d14fe", "c3fff3950", "c6e7a9ef3", "ec8ded4b3"]], "identity_text": "Guard against malicious time zone names in timeofday() and pg_strftime() (Tom Lane) A crafted time zone setting could pass % sequences to snprintf(), potentially causing crashes or disclosure of server memory. Another path to similar results was to overflow the limited-size output buffer used by pg_strftime(). The PostgreSQL Project thanks Xint Code for reporting this problem. 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The multirange type can be put into a different schema than its parent range type, but we neglected to apply the required privilege check when doing so.
\nThe PostgreSQL Project thanks Jelte Fennema-Nio for reporting this problem. (CVE-2026-6472)
", "text": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type (Jelte Fennema-Nio) § The multirange type can be put into a different schema than its parent range type, but we neglected to apply the required privilege check when doing so. The PostgreSQL Project thanks Jelte Fennema-Nio for reporting this problem. (CVE-2026-6472)", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "commits": ["c27ba08cd"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "b9a1dee4e2ef9bf197f9e5b67381deb33fce2904ae28b8062794839bc3fba70e", "section_path": ["Changes"], "commit_groups": [["08c397b02", "4793fc41f", "8bca85e9f", "a44780f41", "c27ba08cd", "d92852d62"]], "identity_text": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type (Jelte Fennema-Nio) The multirange type can be put into a different schema than its parent range type, but we neglected to apply the required privilege check when doing so. The PostgreSQL Project thanks Jelte Fennema-Nio for reporting this problem. (CVE-2026-6472)", "commit_aliases": ["08c397b02", "4793fc41f", "8bca85e9f", "a44780f41", "c27ba08cd", "d92852d62"], "source_commits": ["c27ba08cd"], "source_entry_id": "17.10/changes/007", "db_id": "482afe166c3411e42aa15c76ef043f3e", "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd", "relations": [{"rule": 2, "type": "equivalent", "target": "65fdc90a340d7a6f096d34d54ccaf154", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}, {"rule": 2, "type": "equivalent", "target": "8f0e03a85bb45cde24bbedf7f781a5d5", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}, {"rule": 2, "type": "equivalent", "target": "c06039568f80f491221fd94687f0285e", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}, {"rule": 2, "type": "equivalent", "target": "d9b882bba9a59b55e34aa99621e22473", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "d9b882bba9a59b55e34aa99621e22473", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=18.4#18.4-5cd7cd57980a1193", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "65fdc90a340d7a6f096d34d54ccaf154", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=16.14#16.14-c48a9f98e69b525d", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "8f0e03a85bb45cde24bbedf7f781a5d5", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=15.18#15.18-5774e1af35e1add1", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "c06039568f80f491221fd94687f0285e", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "When creating a multirange type, ensure the user has CREATE privilege on the schema specified for the multirange type", "evidence": {"same_day": true, "patch_ids": ["1c201360c1e263b311b7234d83ff89be"], "statement_hash": "d04d5cbb5906b8e6e39e901491618574dca51ad80d7a3a625a786fceaddfddfd"}, "url": "/docs/compare/?release=14.23#14.23-9d3fa6790baf242e", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-61c7a5bccb286bea", "cves": ["CVE-2026-6478"], "html": "Use timing-safe string comparisons in authentication code (Michael Paquier) § §
\nUse timingsafe_bcmp() instead of memcmp() or strcmp() when checking passwords, hashes, etc. It is not known whether the data dependency of those functions is usefully exploitable in any of these places, but in the interests of safety, replace them.
The PostgreSQL Project thanks Joe Conway for reporting this problem. (CVE-2026-6478)
", "text": "Use timing-safe string comparisons in authentication code (Michael Paquier) § § Use timingsafe_bcmp() instead of memcmp() or strcmp() when checking passwords, hashes, etc. It is not known whether the data dependency of those functions is usefully exploitable in any of these places, but in the interests of safety, replace them. The PostgreSQL Project thanks Joe Conway for reporting this problem. (CVE-2026-6478)", "title": "Use timing-safe string comparisons in authentication code", "commits": ["8e34acfda", "c4e7435b3"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "f2d72cb6646d379b1267d67a86b2b61d54a56e50dad1f012554afe36d6d63647", "section_path": ["Changes"], "commit_groups": [["00e27235e", "4608619a1", "5924e256c", "c4e7435b3", "c95275f18", "d93ef4131"], ["1604939b2", "8e34acfda", "9dcfcb92f", "b282280e9"]], "identity_text": "Use timing-safe string comparisons in authentication code (Michael Paquier) Use timingsafe_bcmp() instead of memcmp() or strcmp() when checking passwords, hashes, etc. It is not known whether the data dependency of those functions is usefully exploitable in any of these places, but in the interests of safety, replace them. The PostgreSQL Project thanks Joe Conway for reporting this problem. (CVE-2026-6478)", "commit_aliases": ["00e27235e", "1604939b2", "4608619a1", "5924e256c", "8e34acfda", "9dcfcb92f", "b282280e9", "c4e7435b3", "c95275f18", "d93ef4131"], "source_commits": ["8e34acfda", "c4e7435b3"], "source_entry_id": "17.10/changes/008", "db_id": "f4fc92fe7fa973d00f46d80cff768f2c", "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149", "relations": [{"rule": 2, "type": "equivalent", "target": "049d75b9e50ceb48ee3ba2c6a5d0f494", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}, {"rule": 2, "type": "equivalent", "target": "0851fa23f0d4449b2336783af8c0b37f", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}, {"rule": 2, "type": "equivalent", "target": "15b60135e3ecea3f472e4441792a26d0", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}, {"rule": 2, "type": "equivalent", "target": "c468a98baa6993bf40cb569c73528c72", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "c468a98baa6993bf40cb569c73528c72", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=18.4#18.4-81a3fe71f66e6eb4", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "0851fa23f0d4449b2336783af8c0b37f", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=16.14#16.14-827503d5fab7e32f", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "15b60135e3ecea3f472e4441792a26d0", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=15.18#15.18-94e55aad3ebd8168", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "049d75b9e50ceb48ee3ba2c6a5d0f494", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Use timing-safe string comparisons in authentication code", "evidence": {"same_day": true, "patch_ids": ["4f5cfd9b1166f378c5d2d04fe94dad87", "7fbe706dd59ebe4eced7f18fe6cbf482"], "statement_hash": "7b7eca3255c6f7cb268565088cc6e073ca0b27ad15442af2772a39e51cbfd149"}, "url": "/docs/compare/?release=14.23#14.23-cc5cacc93416a361", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-a3a6ffe2e68f9c70", "cves": ["CVE-2026-6477"], "html": "Mark PQfn() as unsafe, and avoid using it within libpq (Nathan Bossart) §
For a non-integral result type, PQfn() is not passed the size of the output buffer, so it cannot check that the data returned by the server will fit. A malicious server could therefore overwrite client memory. This is unfixable without an API change, so mark the function as deprecated. Internally to libpq, use a variant version that can apply the missing check.
The PostgreSQL Project thanks Yu Kunpeng and Martin Heistermann for reporting this problem. (CVE-2026-6477)
", "text": "Mark PQfn() as unsafe, and avoid using it within libpq (Nathan Bossart) § For a non-integral result type, PQfn() is not passed the size of the output buffer, so it cannot check that the data returned by the server will fit. A malicious server could therefore overwrite client memory. This is unfixable without an API change, so mark the function as deprecated. Internally to libpq, use a variant version that can apply the missing check. The PostgreSQL Project thanks Yu Kunpeng and Martin Heistermann for reporting this problem. (CVE-2026-6477)", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "commits": ["d88c7be15"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "ee352ae6aa97942af1ad1aa901fcb3e81575a0a92d8ff5aa3132ec277c1962a1", "section_path": ["Changes"], "commit_groups": [["614474996", "8ac723b2b", "bd4811493", "be0136440", "d88c7be15", "e3a1f83ea"]], "identity_text": "Mark PQfn() as unsafe, and avoid using it within libpq (Nathan Bossart) For a non-integral result type, PQfn() is not passed the size of the output buffer, so it cannot check that the data returned by the server will fit. A malicious server could therefore overwrite client memory. This is unfixable without an API change, so mark the function as deprecated. Internally to libpq, use a variant version that can apply the missing check. The PostgreSQL Project thanks Yu Kunpeng and Martin Heistermann for reporting this problem. (CVE-2026-6477)", "commit_aliases": ["614474996", "8ac723b2b", "bd4811493", "be0136440", "d88c7be15", "e3a1f83ea"], "source_commits": ["d88c7be15"], "source_entry_id": "17.10/changes/009", "db_id": "5659c5fab9b3c23718775a073679d763", "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b", "relations": [{"rule": 2, "type": "equivalent", "target": "4ab9970767b3ef4f9da60c3566967c2b", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}, {"rule": 2, "type": "equivalent", "target": "847daceb397313a24d7c441b2b0558f1", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}, {"rule": 2, "type": "equivalent", "target": "954548c0ee471a5891175ee04e881030", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}, {"rule": 2, "type": "equivalent", "target": "fcce310e332c33500cf3c168aae9bd79", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "847daceb397313a24d7c441b2b0558f1", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=18.4#18.4-d46d3c9f5a15e9ff", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "4ab9970767b3ef4f9da60c3566967c2b", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=16.14#16.14-0f3817e9da4bdc58", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "fcce310e332c33500cf3c168aae9bd79", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=15.18#15.18-aa006983b88ec66f", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "954548c0ee471a5891175ee04e881030", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Mark PQfn() as unsafe, and avoid using it within libpq", "evidence": {"same_day": true, "patch_ids": ["751c917289b90832d6991f8f4911d6cc"], "statement_hash": "1bf9b2e2db6cb6f0cc68cfddc7ca5a446d8e7408a35bce897eda2f59aec7605b"}, "url": "/docs/compare/?release=14.23#14.23-0894c376482213b5", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-91d502adb9e9905a", "cves": ["CVE-2026-6475"], "html": "Prevent path traversal in pg_basebackup and pg_rewind (Michael Paquier) §
\nThese applications failed to validate output file paths read from their input, so that a malicious source could overwrite any file writable by these applications. Constrain where data can be written by rejecting paths that are absolute or contain parent-directory references.
\nThe PostgreSQL Project thanks XlabAI Team of Tencent Xuanwu Lab and Valery Gubanov for reporting this problem. (CVE-2026-6475)
", "text": "Prevent path traversal in pg_basebackup and pg_rewind (Michael Paquier) § These applications failed to validate output file paths read from their input, so that a malicious source could overwrite any file writable by these applications. Constrain where data can be written by rejecting paths that are absolute or contain parent-directory references. The PostgreSQL Project thanks XlabAI Team of Tencent Xuanwu Lab and Valery Gubanov for reporting this problem. (CVE-2026-6475)", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "commits": ["8f881e188"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "785ad4ffe16487e93f3d0989e395e309e0c1ccbcfdfb6a37d96c3f43ab1d3a1d", "section_path": ["Changes"], "commit_groups": [["0c83fe8e4", "498829dca", "6778af13e", "6a67c540a", "8f881e188", "a1063eece"]], "identity_text": "Prevent path traversal in pg_basebackup and pg_rewind (Michael Paquier) These applications failed to validate output file paths read from their input, so that a malicious source could overwrite any file writable by these applications. Constrain where data can be written by rejecting paths that are absolute or contain parent-directory references. The PostgreSQL Project thanks XlabAI Team of Tencent Xuanwu Lab and Valery Gubanov for reporting this problem. (CVE-2026-6475)", "commit_aliases": ["0c83fe8e4", "498829dca", "6778af13e", "6a67c540a", "8f881e188", "a1063eece"], "source_commits": ["8f881e188"], "source_entry_id": "17.10/changes/010", "db_id": "4bae8e6eba13d8b7f663721c981765fa", "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10", "relations": [{"rule": 2, "type": "equivalent", "target": "4327318e7057209dbe42b98400f9d4be", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}, {"rule": 2, "type": "equivalent", "target": "5bc8c04625ad184faa480aea65f22c87", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}, {"rule": 2, "type": "equivalent", "target": "869c70a85bc692a897810d4c6c2c8001", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}, {"rule": 2, "type": "equivalent", "target": "a4a793034a07393a1194f5d901c7e563", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "4327318e7057209dbe42b98400f9d4be", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=18.4#18.4-ad40fa4da3cebaa2", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "5bc8c04625ad184faa480aea65f22c87", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=16.14#16.14-4c65f6e78638d7b8", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "a4a793034a07393a1194f5d901c7e563", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=15.18#15.18-3178339f2560c1fe", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "869c70a85bc692a897810d4c6c2c8001", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Prevent path traversal in pg_basebackup and pg_rewind", "evidence": {"same_day": true, "patch_ids": ["642e466aa03c3fea1f14f662cc164373"], "statement_hash": "f4e8ae9e638997395a0957d148112ff560c0e68ac13f1311986f81899f914d10"}, "url": "/docs/compare/?release=14.23#14.23-1e7e9c27c7b963a2", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-992f2d3fb9146406", "cves": ["CVE-2026-6473"], "html": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type (Tom Lane) § §
Parsing of these query structures did not check for overflow of 16-bit fields, so that construction of an invalid query tree was possible. This can crash the server when executing the query.
\nThe PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)
", "text": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type (Tom Lane) § § Parsing of these query structures did not check for overflow of 16-bit fields, so that construction of an invalid query tree was possible. This can crash the server when executing the query. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "commits": ["2b429d887", "c4d04cc48"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "e3662143874c82416b5b55fcb817fd41ae3f2abd0a7402ed64ef3fcb7d472f55", "section_path": ["Changes"], "commit_groups": [["05e73b5c3", "2b429d887", "479823a71", "6f0bff33d", "906ea101d", "fc1fd3d97"], ["074702525", "43451a7a2", "5c1069c35", "84a9f2641", "c4d04cc48", "c5790ec4f"]], "identity_text": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type (Tom Lane) Parsing of these query structures did not check for overflow of 16-bit fields, so that construction of an invalid query tree was possible. This can crash the server when executing the query. The PostgreSQL Project thanks Xint Code for reporting this problem. (CVE-2026-6473)", "commit_aliases": ["05e73b5c3", "074702525", "2b429d887", "43451a7a2", "479823a71", "5c1069c35", "6f0bff33d", "84a9f2641", "906ea101d", "c4d04cc48", "c5790ec4f", "fc1fd3d97"], "source_commits": ["2b429d887", "c4d04cc48"], "source_entry_id": "17.10/changes/011", "db_id": "9f97314dd0efbba664c1f83e75fb5fa1", "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7", "relations": [{"rule": 2, "type": "equivalent", "target": "0423b242e381085c16cb62849b04525f", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}, {"rule": 2, "type": "equivalent", "target": "2ad1fdfa4b929eb7b74591983f7fe071", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}, {"rule": 2, "type": "equivalent", "target": "9a6b47b64707d2aaa7ed6ba0484070e5", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}, {"rule": 2, "type": "equivalent", "target": "d29898a37787b811ca1a66114dcaa530", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "9a6b47b64707d2aaa7ed6ba0484070e5", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=18.4#18.4-2061b554e1b2edfa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "0423b242e381085c16cb62849b04525f", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=16.14#16.14-21fce6af887a0371", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "2ad1fdfa4b929eb7b74591983f7fe071", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=15.18#15.18-b4e159c1c3614019", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "d29898a37787b811ca1a66114dcaa530", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Guard against field overflow within contrib/intarray's query_int type and contrib/ltree's ltxtquery type", "evidence": {"same_day": true, "patch_ids": ["6f7401152b77a4e4d59e752f19e8486b", "b419665d09a38659e641b360731e56da"], "statement_hash": "eab56845994726033024137f96b0dd1e892a863aae111c3043e8a088bf26c0d7"}, "url": "/docs/compare/?release=14.23#14.23-73b4c72ec19c85bf", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-ac24cc16660e8737", "cves": ["CVE-2026-6473"], "html": "Guard against overly long values of contrib/ltree's lquery type (Michael Paquier) §
Values with more than 64K items caused internal overflows, potentially resulting in stack smashes or wrong answers.
\nThe PostgreSQL Project thanks Vergissmeinnicht, A1ex, and Jihe Wang for reporting this problem. (CVE-2026-6473)
", "text": "Guard against overly long values of contrib/ltree's lquery type (Michael Paquier) § Values with more than 64K items caused internal overflows, potentially resulting in stack smashes or wrong answers. The PostgreSQL Project thanks Vergissmeinnicht, A1ex, and Jihe Wang for reporting this problem. (CVE-2026-6473)", "title": "Guard against overly long values of contrib/ltree's lquery type", "commits": ["8c3426110"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "cbb63e023e7c48bc8db0a828a1936c9d4fc4819204a06f4652635f0ad8d0dec6", "section_path": ["Changes"], "commit_groups": [["2f1b16e86", "6b6b26fde", "7f019f341", "8c3426110", "9c2fa5b6a", "b545c3787"]], "identity_text": "Guard against overly long values of contrib/ltree's lquery type (Michael Paquier) Values with more than 64K items caused internal overflows, potentially resulting in stack smashes or wrong answers. The PostgreSQL Project thanks Vergissmeinnicht, A1ex, and Jihe Wang for reporting this problem. (CVE-2026-6473)", "commit_aliases": ["2f1b16e86", "6b6b26fde", "7f019f341", "8c3426110", "9c2fa5b6a", "b545c3787"], "source_commits": ["8c3426110"], "source_entry_id": "17.10/changes/012", "db_id": "e57528b755cb641d030a2490a8ecb83e", "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1", "relations": [{"rule": 2, "type": "equivalent", "target": "6aa8f69f3021e6633c690bc4d069a359", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}, {"rule": 2, "type": "equivalent", "target": "abd21d034ac90949aacffcced38f44c8", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}, {"rule": 2, "type": "equivalent", "target": "b026af4117fde9e94388242432e381e0", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}, {"rule": 2, "type": "equivalent", "target": "f1ea7b13a59ce4a556a97a665b13ddd9", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "f1ea7b13a59ce4a556a97a665b13ddd9", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=18.4#18.4-eb36ae972f5e73e4", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "6aa8f69f3021e6633c690bc4d069a359", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=16.14#16.14-9f75dab6c6486a53", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "abd21d034ac90949aacffcced38f44c8", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=15.18#15.18-f7162bdebe6fb249", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "b026af4117fde9e94388242432e381e0", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Guard against overly long values of contrib/ltree's lquery type", "evidence": {"same_day": true, "patch_ids": ["82d1afadeb06a657e558ea1b226d290b"], "statement_hash": "0f082737f7f109cba8da33aebd4d21f85a8ca0c9ac333cd92d1eafa83684e6e1"}, "url": "/docs/compare/?release=14.23#14.23-466881ae2d66f716", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-24a0ab68af146f7d", "cves": ["CVE-2026-6637"], "html": "Prevent SQL injection and buffer overruns in contrib/spi (Nathan Bossart) §
check_foreign_key() was insufficiently careful about quoting key values, and also used fixed-length buffers for constructing queries. While this module is only meant as example code, it still shouldn't contain such dangerous errors.
The PostgreSQL Project thanks Nikolay Samokhvalov for reporting this problem. (CVE-2026-6637)
", "text": "Prevent SQL injection and buffer overruns in contrib/spi (Nathan Bossart) § check_foreign_key() was insufficiently careful about quoting key values, and also used fixed-length buffers for constructing queries. While this module is only meant as example code, it still shouldn't contain such dangerous errors. The PostgreSQL Project thanks Nikolay Samokhvalov for reporting this problem. (CVE-2026-6637)", "title": "Prevent SQL injection and buffer overruns in contrib/spi", "commits": ["2dc64ef28"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "26a7b8f437438d7d6acfaadcd30b96e83908358857737256dfad055a7b6822e2", "section_path": ["Changes"], "commit_groups": [["1ebda7da9", "260e97733", "2b026df29", "2dc64ef28", "710995782", "8053235ab"]], "identity_text": "Prevent SQL injection and buffer overruns in contrib/spi (Nathan Bossart) check_foreign_key() was insufficiently careful about quoting key values, and also used fixed-length buffers for constructing queries. While this module is only meant as example code, it still shouldn't contain such dangerous errors. The PostgreSQL Project thanks Nikolay Samokhvalov for reporting this problem. (CVE-2026-6637)", "commit_aliases": ["1ebda7da9", "260e97733", "2b026df29", "2dc64ef28", "710995782", "8053235ab"], "source_commits": ["2dc64ef28"], "source_entry_id": "17.10/changes/013", "db_id": "80646ad1b79ca8538cfec18dd2e574d7", "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047", "relations": [{"rule": 2, "type": "equivalent", "target": "47e292139214a78fca35c140daf58270", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}}, {"rule": 2, "type": "equivalent", "target": "5c27c1f393abf9296bda616730209a61", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}}, {"rule": 2, "type": "equivalent", "target": "7f0c9646c89bca074cd9e0bbd964087f", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}}, {"rule": 2, "type": "equivalent", "target": "b9f0b8c87f7b233c50090282e467d8ed", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}}], "version": "17.10", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "7f0c9646c89bca074cd9e0bbd964087f", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Prevent SQL injection and buffer overruns in contrib/spi", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}, "url": "/docs/compare/?release=18.4#18.4-723bbbf2b375795c", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "47e292139214a78fca35c140daf58270", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Prevent SQL injection and buffer overruns in contrib/spi", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}, "url": "/docs/compare/?release=16.14#16.14-5c04fa5074420944", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "5c27c1f393abf9296bda616730209a61", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Prevent SQL injection and buffer overruns in contrib/spi", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}, "url": "/docs/compare/?release=15.18#15.18-9aab90e2decdd59b", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "b9f0b8c87f7b233c50090282e467d8ed", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Prevent SQL injection and buffer overruns in contrib/spi", "evidence": {"same_day": true, "patch_ids": ["41547e1e28b3ed62af00bb9fe154772c"], "statement_hash": "7b1c0422aa1716161960ade63e1f312c46555a948c91e3b00a8e5c748e70d047"}, "url": "/docs/compare/?release=14.23#14.23-6193d19850500f38", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-3d0256182db9ecf0", "cves": [], "html": "Check for nondeterministic collations before assuming that an equality condition on a collatable type implies uniqueness (Richard Guo) § §
\nNumerous planner optimizations assume that, for example, at most one table row can satisfy WHERE x = 'abc' if there is a unique index on x. However this conclusion is unsafe in general if the index and the WHERE clause have different collations attached. It is safe when both collations are deterministic, because that property essentially requires that equality of two strings means bitwise equality. But nondeterministic collations don't act that way, so that optimizing on the assumption of unique matches can give wrong query answers if either the WHERE clause or the index has a nondeterministic collation.
Fix incomplete removal of relation references in RestrictInfo structs during join removal (Tom Lane) § §
This oversight has been shown to result in planner failures such as unexpected “FULL JOIN is only supported with merge-joinable or hash-joinable join conditions” errors. It may also have caused failure to consider valid plans in other cases.
", "text": "Fix incomplete removal of relation references in RestrictInfo structs during join removal (Tom Lane) § § This oversight has been shown to result in planner failures such as unexpected “FULL JOIN is only supported with merge-joinable or hash-joinable join conditions” errors. It may also have caused failure to consider valid plans in other cases.", "title": "Fix incomplete removal of relation references in RestrictInfo structs during join removal", "commits": ["53cb4ec1d", "766d40286"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "4945b26db7e5f7301e6cbe90c9b3aaf2bb10d1913e3fd2ce61a6dcc2e1edb11a", "section_path": ["Changes"], "commit_groups": [["16fb94605", "766d40286", "cfcd57111", "d509be4ac"], ["53cb4ec1d", "798dabe83", "f0ac6d494"]], "identity_text": "Fix incomplete removal of relation references in RestrictInfo structs during join removal (Tom Lane) This oversight has been shown to result in planner failures such as unexpected FULL JOIN is only supported with merge-joinable or hash-joinable join conditions errors. It may also have caused failure to consider valid plans in other cases.", "commit_aliases": ["16fb94605", "53cb4ec1d", "766d40286", "798dabe83", "cfcd57111", "d509be4ac", "f0ac6d494"], "source_commits": ["53cb4ec1d", "766d40286"], "source_entry_id": "17.10/changes/015", "db_id": "0a61b6485e0144413b6e68fbe7763a8f", "patch_ids": ["22c06d077427cb5284041785d0e8cde1", "8989faf5448f269deb8ac79dc2a63860"], "statement_hash": "bbc0a2274d4af257fa49e43eafaf28ca0f12217996c9c00ed63e12bf89b35109", "relations": [{"rule": 2, "type": "equivalent", "target": "53d5de052cfe73ed3dbffe04ba42ff12", "evidence": {"same_day": true, "patch_ids": ["22c06d077427cb5284041785d0e8cde1", "8989faf5448f269deb8ac79dc2a63860"], "statement_hash": "bbc0a2274d4af257fa49e43eafaf28ca0f12217996c9c00ed63e12bf89b35109"}}, {"rule": 2, "type": "equivalent", "target": "cbba3da86525413deddd8a183780866b", "evidence": {"same_day": true, "patch_ids": ["22c06d077427cb5284041785d0e8cde1", "8989faf5448f269deb8ac79dc2a63860"], "statement_hash": "bbc0a2274d4af257fa49e43eafaf28ca0f12217996c9c00ed63e12bf89b35109"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "cbba3da86525413deddd8a183780866b", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix incomplete removal of relation references in RestrictInfo structs during join removal", "evidence": {"same_day": true, "patch_ids": ["22c06d077427cb5284041785d0e8cde1", "8989faf5448f269deb8ac79dc2a63860"], "statement_hash": "bbc0a2274d4af257fa49e43eafaf28ca0f12217996c9c00ed63e12bf89b35109"}, "url": "/docs/compare/?release=18.4#18.4-316d774d0290fc1b", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "53d5de052cfe73ed3dbffe04ba42ff12", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix incomplete removal of relation references in RestrictInfo structs during join removal", "evidence": {"same_day": true, "patch_ids": ["22c06d077427cb5284041785d0e8cde1", "8989faf5448f269deb8ac79dc2a63860"], "statement_hash": "bbc0a2274d4af257fa49e43eafaf28ca0f12217996c9c00ed63e12bf89b35109"}, "url": "/docs/compare/?release=16.14#16.14-f353d43afdeb3aa2", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}]}, {"id": "17.10-5a2d4121326fa353", "cves": [], "html": "Fix incorrect handling of NEW generated columns in rule actions and rule qualifications (Richard Guo, Dean Rasheed) §
Previously, such column references would produce NULL in INSERT cases, or be equivalent to the OLD value in UPDATE cases.
Fix spurious “generated columns are not supported in COPY FROM WHERE conditions” errors (Tom Lane) §
\nUse of a system column in a COPY FROM WHERE condition could sometimes incorrectly report this error.
Correctly report a serialization failure when MERGE encounters a concurrently-updated tuple in repeatable-read or serializable mode (Tender Wang) §
Previously, such cases behaved the same as in lower isolation levels.
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In such cases, extended statistics objects could be copied incorrectly, or the command could give an incorrect error.
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Disallow making a composite type be a member of itself via a multirange (Heikki Linnakangas) §
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", "text": "Disallow making a composite type be a member of itself via a multirange (Heikki Linnakangas) § We already forbade such cases when the intermediate type is a domain, array, composite type, or range; but multiranges were overlooked.", "title": "Disallow making a composite type be a member of itself via a multirange", "commits": ["54343f6f9"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "d3d4f65dcea0cb79998f9b950559b14f52edc3897ec665e0966422c6b5c164fe", "section_path": ["Changes"], "commit_groups": [["06e304524", "34ebeb15c", "54343f6f9", "c7a1d5fc6", "dd4069197", "ff8f27d6e"]], "identity_text": "Disallow making a composite type be a member of itself via a multirange (Heikki Linnakangas) We already forbade such cases when the intermediate type is a domain, array, composite type, or range; but multiranges were overlooked.", "commit_aliases": ["06e304524", "34ebeb15c", "54343f6f9", "c7a1d5fc6", "dd4069197", "ff8f27d6e"], "source_commits": ["54343f6f9"], "source_entry_id": "17.10/changes/022", "db_id": "dbfa0390a811562580299aed6addef7f", "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2", "relations": [{"rule": 2, "type": "equivalent", "target": "aaf1253e3301e7ce01966fdecb2168ff", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}, {"rule": 2, "type": "equivalent", "target": "db27ce7162c0f5f66e5e36b2b4394be0", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}, {"rule": 2, "type": "equivalent", "target": "e0d6011d1ad1750ec99d7b452609aa5c", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}, {"rule": 2, "type": "equivalent", "target": "e65839c47b604979321948f58b376888", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}}], "version": "17.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "e65839c47b604979321948f58b376888", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=18.4#18.4-ccc5811ee220170a", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "aaf1253e3301e7ce01966fdecb2168ff", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=16.14#16.14-320b63dd288d6613", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "db27ce7162c0f5f66e5e36b2b4394be0", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=15.18#15.18-1b434ad500a69006", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "e0d6011d1ad1750ec99d7b452609aa5c", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Disallow making a composite type be a member of itself via a multirange", "evidence": {"same_day": true, "patch_ids": ["31c00f6d7ed28a6712dcf1e113075156"], "statement_hash": "6b4527853dd5e8e984500173324ec598d423dfc66e71302f1bdff48a4af1e5d2"}, "url": "/docs/compare/?release=14.23#14.23-50453b6dffac196c", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-0fb5ea65c461a113", "cves": [], "html": "Fix datum-image comparisons to be insensitive to sign-extension variations (David Rowley) §
\nThis fixes some situations that previously led to “could not find memoization table entry” errors or wrong query results.
", "text": "Fix datum-image comparisons to be insensitive to sign-extension variations (David Rowley) § This fixes some situations that previously led to “could not find memoization table entry” errors or wrong query results.", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "commits": ["d29808e35"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "ccc9af25f994bd2829c8d173776f703ac30a49ca5ab8fd28baef88660e9624e0", "section_path": ["Changes"], "commit_groups": [["0d866282b", "1bd90c887", "49315de0c", "6b2e091f0", "6ce5c310b", "d29808e35"]], "identity_text": "Fix datum-image comparisons to be insensitive to sign-extension variations (David Rowley) This fixes some situations that previously led to could not find memoization table entry errors or wrong query results.", "commit_aliases": ["0d866282b", "1bd90c887", "49315de0c", "6b2e091f0", "6ce5c310b", "d29808e35"], "source_commits": ["d29808e35"], "source_entry_id": "17.10/changes/023", "db_id": "f9a962dc778922758842bad523e4e935", "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a", "relations": [{"rule": 2, "type": "equivalent", "target": "5cabc37ab2a14b9bb0980c3ed400e023", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}, {"rule": 2, "type": "equivalent", "target": "6de901a8850aaba4f6cb4f60757fd10b", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}, {"rule": 2, "type": "equivalent", "target": "c5c180d0b102c66e23f3e5c67497661a", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}, {"rule": 2, "type": "equivalent", "target": "e186e88d722a03078d4189e25842fa12", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c5c180d0b102c66e23f3e5c67497661a", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=18.4#18.4-4ed3df97c772ff79", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "e186e88d722a03078d4189e25842fa12", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=16.14#16.14-8586f1e2f65191db", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "6de901a8850aaba4f6cb4f60757fd10b", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=15.18#15.18-35c4133cc110d098", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "5cabc37ab2a14b9bb0980c3ed400e023", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix datum-image comparisons to be insensitive to sign-extension variations", "evidence": {"same_day": true, "patch_ids": ["8b2152dc84fbefe58a465b0d497fe197"], "statement_hash": "95b38df8932c40bbb6eed0884f5ec817fd4ee7218c45df42545da1f44dd8095a"}, "url": "/docs/compare/?release=14.23#14.23-92e44334a5563e50", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-c7e5a864f1920ba5", "cves": [], "html": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator (Chengpeng Yan) §
The previous coding could crash or give wrong answers. All built-in data types have strict equality operators, so that this issue could only arise with an extension data type.
", "text": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator (Chengpeng Yan) § The previous coding could crash or give wrong answers. All built-in data types have strict equality operators, so that this issue could only arise with an extension data type.", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "commits": ["3fda3e12f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "ff77748ad998449b557ee83bd7f3fc29e4d02d37f028ecd87cf49a60a6901213", "section_path": ["Changes"], "commit_groups": [["035c520db", "109de35b7", "3fda3e12f", "622f8b530", "94219a73f", "a2a0060d5"]], "identity_text": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator (Chengpeng Yan) The previous coding could crash or give wrong answers. All built-in data types have strict equality operators, so that this issue could only arise with an extension data type.", "commit_aliases": ["035c520db", "109de35b7", "3fda3e12f", "622f8b530", "94219a73f", "a2a0060d5"], "source_commits": ["3fda3e12f"], "source_entry_id": "17.10/changes/024", "db_id": "6a9e4a1d32172e81ee680d6f0342ca63", "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d", "relations": [{"rule": 2, "type": "equivalent", "target": "2a86497013a318262f46769723449b63", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}, {"rule": 2, "type": "equivalent", "target": "450e4329b437178c4c67084a2ce52024", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}, {"rule": 2, "type": "equivalent", "target": "c26aa4cfe9a48bc8f6b4f3924802efa7", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}, {"rule": 2, "type": "equivalent", "target": "d1a95a788ffc450fd8a8b393d2c3e55d", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d1a95a788ffc450fd8a8b393d2c3e55d", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=18.4#18.4-e5344bf8a6d35197", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "c26aa4cfe9a48bc8f6b4f3924802efa7", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=16.14#16.14-0eb4bde24f0d6fca", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "450e4329b437178c4c67084a2ce52024", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=15.18#15.18-60c7c179902fa568", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "2a86497013a318262f46769723449b63", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix incorrect logic for hashed IN/NOT IN with non-strict equality operator", "evidence": {"same_day": true, "patch_ids": ["73bcd2dbc996c0415640dea74d4f247f"], "statement_hash": "f620e21c617639503e22ec199ea3bdfd888287e95b5e026131bfa74e2fd18e5d"}, "url": "/docs/compare/?release=14.23#14.23-7486ce91b98a0959", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-ead7a4370e3d50c0", "cves": [], "html": "Truncate overly-long locale-specific numeric symbols in to_char() (Tom Lane) §
If a locale specified a currency symbol, thousands separator, or decimal or sign symbol more than 8 bytes long, a buffer overrun was possible. No such locales exist in the real world, and it's impractical for an unprivileged attacker to install a malicious locale definition underneath a Postgres server; but for safety's sake check for overlength symbols and truncate if needed.
", "text": "Truncate overly-long locale-specific numeric symbols in to_char() (Tom Lane) § If a locale specified a currency symbol, thousands separator, or decimal or sign symbol more than 8 bytes long, a buffer overrun was possible. No such locales exist in the real world, and it's impractical for an unprivileged attacker to install a malicious locale definition underneath a Postgres server; but for safety's sake check for overlength symbols and truncate if needed.", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "commits": ["c97a28618"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "53cf2ded33c30d4ec26265057cf50e563b91c3c3bebb51b84cc29388502b10a7", "section_path": ["Changes"], "commit_groups": [["580e7be88", "8a6f08c0c", "a50777680", "c97a28618", "e1e60f148", "f60d25986"]], "identity_text": "Truncate overly-long locale-specific numeric symbols in to_char() (Tom Lane) If a locale specified a currency symbol, thousands separator, or decimal or sign symbol more than 8 bytes long, a buffer overrun was possible. No such locales exist in the real world, and it's impractical for an unprivileged attacker to install a malicious locale definition underneath a Postgres server; but for safety's sake check for overlength symbols and truncate if needed.", "commit_aliases": ["580e7be88", "8a6f08c0c", "a50777680", "c97a28618", "e1e60f148", "f60d25986"], "source_commits": ["c97a28618"], "source_entry_id": "17.10/changes/025", "db_id": "07daab7dbccbfcc34db05980b3a74098", "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0", "relations": [{"rule": 2, "type": "equivalent", "target": "29acc0aac3cc6b0ee03ac19b4559887d", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}, {"rule": 2, "type": "equivalent", "target": "606d4464f34532059b31083c8d4b85db", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}, {"rule": 2, "type": "equivalent", "target": "7477baaf42cc60c640f8610e0225343b", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}, {"rule": 2, "type": "equivalent", "target": "da89f430482b72634ad3d2f296bb5a93", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}}], "version": "17.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "606d4464f34532059b31083c8d4b85db", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=18.4#18.4-695d3a73d2ecfb3e", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "7477baaf42cc60c640f8610e0225343b", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=16.14#16.14-eda4c756b58b4a86", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "29acc0aac3cc6b0ee03ac19b4559887d", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=15.18#15.18-d044032a493dc642", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "da89f430482b72634ad3d2f296bb5a93", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Truncate overly-long locale-specific numeric symbols in to_char()", "evidence": {"same_day": true, "patch_ids": ["a55b3cc17f0905d7ae426fd181a6dfc3"], "statement_hash": "faa5531634d9cdfe864f4512cf61a4628efe72bf20a627237eac6e0fc2e723b0"}, "url": "/docs/compare/?release=14.23#14.23-a905b9ca587d8842", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-666b81e0c79b2b28", "cves": [], "html": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary (Tom Lane) § §
A corrupt or malicious affix file could crash the server. This is not considered a security issue because text search configuration files are presumed trustworthy, but it still seems worth fixing.
", "text": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary (Tom Lane) § § A corrupt or malicious affix file could crash the server. This is not considered a security issue because text search configuration files are presumed trustworthy, but it still seems worth fixing.", "title": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary", "commits": ["a5426dbf8", "ea5f0d176"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "f6920ec6017618c6fcbb9b943af3649958ca32d2d839dba22c80d2ba174bd0f2", "section_path": ["Changes"], "commit_groups": [["00c6e0819", "0b196d3db", "21a24d709", "42383d32d", "d7970e7e9", "ea5f0d176"], ["17f72e037", "6cae0c2bd", "844bb90d4", "a5426dbf8", "c2bfeb3bb", "f852c9093"]], "identity_text": "Prevent buffer overruns when parsing an affix file for an Ispell dictionary (Tom Lane) A corrupt or malicious affix file could crash the server. 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\nVery large user-specified offsets (close to INT64_MAX) could result in errors or incorrect query results.
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This mistake resulted in sometimes-incorrect output from parallelized array_agg(anyarray) calculations.
Retry sync_file_range() if it returns error code EINTR (DaeMyung Kang) §
Fix incorrect behavior of pg_stat_reset_single_table_counters() on a shared catalog (Chao Li) §
Such cases had a side-effect of resetting the current database's stat_reset_timestamp, which was unintended.
Update activity statistics when a parallel apply worker is idle (Zhijie Hou) §
\nPreviously, statistics from a recently-completed transaction might go unreported for long intervals, particularly if the workload is light.
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", "text": "Fix “no relation entry for relid 0” failure while estimating array lengths in set operations (Tender Wang) §", "title": "Fix “no relation entry for relid 0” failure while estimating array lengths in set operations", "commits": ["93ed18720"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "c2198678d068b878eeead02e98b71dfbe403564a71e7946bd7b5cffa4a812d6b", "section_path": ["Changes"], "commit_groups": [["13e20d1c9", "77d0e82e5", "93ed18720"]], "identity_text": "Fix no relation entry for relid 0 failure while estimating array lengths in set operations (Tender Wang)", "commit_aliases": ["13e20d1c9", "77d0e82e5", "93ed18720"], "source_commits": ["93ed18720"], "source_entry_id": "17.10/changes/032", "db_id": "767acd748e88add4e0b136661b09348d", "patch_ids": ["564821c3480587e28f1a951776d143da"], "statement_hash": "79d2c12d4a24236694523bc4108c4ef1ad8487e654635a5140572e534f35ca67", "relations": [{"rule": 2, "type": "equivalent", "target": "8b93ba333f257971520839fdfb923dc8", "evidence": {"same_day": true, "patch_ids": ["564821c3480587e28f1a951776d143da"], "statement_hash": "79d2c12d4a24236694523bc4108c4ef1ad8487e654635a5140572e534f35ca67"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "8b93ba333f257971520839fdfb923dc8", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix “no relation entry for relid 0” failure while estimating array lengths in set operations", "evidence": {"same_day": true, "patch_ids": ["564821c3480587e28f1a951776d143da"], "statement_hash": "79d2c12d4a24236694523bc4108c4ef1ad8487e654635a5140572e534f35ca67"}, "url": "/docs/compare/?release=18.4#18.4-9a9061bf537ff043", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}]}, {"id": "17.10-fc2a0ba457a12efa", "cves": [], "html": "Fix buffer overread when pglz_decompress() receives corrupt input (Andrew Dunstan) §
It was possible to read a few bytes past the end of the input, which in very unlucky cases might cause a crash.
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\nIt was possible to accept an incorrectly-formatted number, leading to failures later.
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Fix premature NULL lag reporting in pg_stat_replication (Shinya Kato) §
The lag columns frequently read as NULL even while replication activity was happening.
", "text": "Fix premature NULL lag reporting in pg_stat_replication (Shinya Kato) § The lag columns frequently read as NULL even while replication activity was happening.", "title": "Fix premature NULL lag reporting in pg_stat_replication", "commits": ["fdce5de55"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "936e36df3b44ffa2909dacd5d2f1bf73c91e0d1cbccb740c7a29cd9171819085", "section_path": ["Changes"], "commit_groups": [["246c296f0", "98e96e579", "bf7ecf353", "eef1ba704", "f42105001", "fdce5de55"]], "identity_text": "Fix premature NULL lag reporting in pg_stat_replication (Shinya Kato) The lag columns frequently read as NULL even while replication activity was happening.", "commit_aliases": ["246c296f0", "98e96e579", "bf7ecf353", "eef1ba704", "f42105001", "fdce5de55"], "source_commits": ["fdce5de55"], "source_entry_id": "17.10/changes/040", "db_id": "5851dbb38f0eb77c8633d934a8c81fbc", "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920", "relations": [{"rule": 2, "type": "equivalent", "target": "65eb4d53da31a74e1d2b5ae72a4b3f98", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}}, {"rule": 2, "type": "equivalent", "target": "8f5d9efb9934b105d69fddf797f34e0b", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}}, {"rule": 2, "type": "equivalent", "target": "915ec8a085b4d90eb64720a431768f9b", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}}, {"rule": 2, "type": "equivalent", "target": "bf6218705be170d40b881423fbe0391f", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "bf6218705be170d40b881423fbe0391f", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix premature NULL lag reporting in pg_stat_replication", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}, "url": "/docs/compare/?release=18.4#18.4-8789ffc8666b33f9", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "65eb4d53da31a74e1d2b5ae72a4b3f98", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix premature NULL lag reporting in pg_stat_replication", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}, "url": "/docs/compare/?release=16.14#16.14-f26d51c0546fa772", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "915ec8a085b4d90eb64720a431768f9b", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix premature NULL lag reporting in pg_stat_replication", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}, "url": "/docs/compare/?release=15.18#15.18-fea30dc889e7ae5f", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "8f5d9efb9934b105d69fddf797f34e0b", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix premature NULL lag reporting in pg_stat_replication", "evidence": {"same_day": true, "patch_ids": ["7704c6b94c92f272f76de1954c53eb5b"], "statement_hash": "bcd10a6c1d43f2b961925210744b26778b15baa46851120a0a4df4d6146ed920"}, "url": "/docs/compare/?release=14.23#14.23-bcb3e939d63d9120", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-81df83553a9e021a", "cves": [], "html": "Avoid rare flush failure when working with non-WAL-logged GiST indexes (Tomas Vondra) §
\nA non-logged GiST index could nonetheless sometimes produce “xlog flush request n/nnnn is not satisfied” errors, due to incorrect selection of a “fake LSN” to represent an insertion point.
Fix underestimate of required size of DSA page maps for odd-size segments (Paul Bunn) §
\nThis miscalculation led to out-of-bounds accesses and hence server crashes.
", "text": "Fix underestimate of required size of DSA page maps for odd-size segments (Paul Bunn) § This miscalculation led to out-of-bounds accesses and hence server crashes.", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "commits": ["2543b9ea9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "61684a91bb1434333b16a9febd67c0487557bddb01b1c33c7f68a1cfe1fbb7a5", "section_path": ["Changes"], "commit_groups": [["0af5e64e9", "2543b9ea9", "46c93b705", "4da2afd01", "a0f38604d", "eb11d7a91"]], "identity_text": "Fix underestimate of required size of DSA page maps for odd-size segments (Paul Bunn) This miscalculation led to out-of-bounds accesses and hence server crashes.", "commit_aliases": ["0af5e64e9", "2543b9ea9", "46c93b705", "4da2afd01", "a0f38604d", "eb11d7a91"], "source_commits": ["2543b9ea9"], "source_entry_id": "17.10/changes/042", "db_id": "feb50a4056ee0c9561081c3bd1a5fd94", "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e", "relations": [{"rule": 2, "type": "equivalent", "target": "132eccad33a03f9808709ff243633e21", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}, {"rule": 2, "type": "equivalent", "target": "6c9b24cf6c2959b6e084b0f1468cc147", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}, {"rule": 2, "type": "equivalent", "target": "c0162fa5c8bd731ee869a6a910d5a618", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}, {"rule": 2, "type": "equivalent", "target": "d358ff7daadf000c76becae39274dcc8", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c0162fa5c8bd731ee869a6a910d5a618", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=18.4#18.4-6a31304d211cadfa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "6c9b24cf6c2959b6e084b0f1468cc147", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=16.14#16.14-8bb5b1022d86c764", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "132eccad33a03f9808709ff243633e21", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=15.18#15.18-1a4308d681901087", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "d358ff7daadf000c76becae39274dcc8", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix underestimate of required size of DSA page maps for odd-size segments", "evidence": {"same_day": true, "patch_ids": ["51396541ad50c671641591d5c032f25c"], "statement_hash": "b77594e65c1a09137763e6965f04edfa079771b8c115cc6bbea72232ff10e97e"}, "url": "/docs/compare/?release=14.23#14.23-11bc13dcca69d74b", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-cfa55dcb71d57c12", "cves": [], "html": "Fix indexing of oldest-multixact arrays in shared memory (Yura Sokolov) § §
\nThis mistake could cause a prepared-but-not-yet-committed transaction's row locks to appear invisible to other sessions, or other visibility issues for the results of such a transaction. With a very small max_connections setting, memory stomps were also possible.
", "text": "Fix indexing of oldest-multixact arrays in shared memory (Yura Sokolov) § § This mistake could cause a prepared-but-not-yet-committed transaction's row locks to appear invisible to other sessions, or other visibility issues for the results of such a transaction. With a very small max_connections setting, memory stomps were also possible.", "title": "Fix indexing of oldest-multixact arrays in shared memory", "commits": ["969576dab", "dcd9c06a4"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "676444ac6c37147ba6d109f63e56a7ebc3f8a2f2ecd35fc1f603f44408cc766f", "section_path": ["Changes"], "commit_groups": [["0a50ef094", "ccae90abd", "dcd9c06a4"], ["969576dab", "fa3b328e6", "fe08113ae"]], "identity_text": "Fix indexing of oldest-multixact arrays in shared memory (Yura Sokolov) This mistake could cause a prepared-but-not-yet-committed transaction's row locks to appear invisible to other sessions, or other visibility issues for the results of such a transaction. With a very small max_connections setting, memory stomps were also possible.", "commit_aliases": ["0a50ef094", "969576dab", "ccae90abd", "dcd9c06a4", "fa3b328e6", "fe08113ae"], "source_commits": ["969576dab", "dcd9c06a4"], "source_entry_id": "17.10/changes/043", "db_id": "440f1367bcb7bd58aa010daa1ed5105b", "patch_ids": ["9f4b51556384588dee12dabbaa9a5068", "c295c29115de3784af1baea84dd9ddfc"], "statement_hash": "e8c1956b7f46db612ff4602b13580b3f19536358ea0d47bc73cf87584e556dac", "relations": [{"rule": 2, "type": "equivalent", "target": "257e52645de77966b485d158daff2049", "evidence": {"same_day": true, "patch_ids": ["9f4b51556384588dee12dabbaa9a5068", "c295c29115de3784af1baea84dd9ddfc"], "statement_hash": "e8c1956b7f46db612ff4602b13580b3f19536358ea0d47bc73cf87584e556dac"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "257e52645de77966b485d158daff2049", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix indexing of oldest-multixact arrays in shared memory", "evidence": {"same_day": true, "patch_ids": ["9f4b51556384588dee12dabbaa9a5068", "c295c29115de3784af1baea84dd9ddfc"], "statement_hash": "e8c1956b7f46db612ff4602b13580b3f19536358ea0d47bc73cf87584e556dac"}, "url": "/docs/compare/?release=18.4#18.4-d3cfc20eaff1d676", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}]}, {"id": "17.10-55b28f30732d7db3", "cves": [], "html": "Fix possible server crash when processing extended statistics on expressions of extension data types (Michael Paquier) §
\nNULL pointer dereferences were possible if the data type's typanalyze function does not compute any useful statistics. No in-core typanalyze function behaves that way, but extensions could.
", "text": "Fix possible server crash when processing extended statistics on expressions of extension data types (Michael Paquier) § NULL pointer dereferences were possible if the data type's typanalyze function does not compute any useful statistics. No in-core typanalyze function behaves that way, but extensions could.", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "commits": ["530b6b02f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "a50b7d8142e111ecd2bc93acc53477635dab3f7a0640b55bb25baa2683e51c8d", "section_path": ["Changes"], "commit_groups": [["038c7d4a3", "04745ba9c", "3b7a6fa15", "530b6b02f", "83671c0da", "f033abc6c"]], "identity_text": "Fix possible server crash when processing extended statistics on expressions of extension data types (Michael Paquier) NULL pointer dereferences were possible if the data type's typanalyze function does not compute any useful statistics. No in-core typanalyze function behaves that way, but extensions could.", "commit_aliases": ["038c7d4a3", "04745ba9c", "3b7a6fa15", "530b6b02f", "83671c0da", "f033abc6c"], "source_commits": ["530b6b02f"], "source_entry_id": "17.10/changes/044", "db_id": "80939c27c6a18cbd33af67b54738ffbb", "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a", "relations": [{"rule": 2, "type": "equivalent", "target": "11bb9497f3c67aace227015bc936b98e", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}, {"rule": 2, "type": "equivalent", "target": "1c1afd4ac22d6baac4a29928c824292c", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}, {"rule": 2, "type": "equivalent", "target": "7060172e893faabd38e47a052f25c75c", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}, {"rule": 2, "type": "equivalent", "target": "e3fcd13894196d38b7fdafd82a39872b", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "e3fcd13894196d38b7fdafd82a39872b", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=18.4#18.4-d17ff570c253e2a4", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "1c1afd4ac22d6baac4a29928c824292c", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=16.14#16.14-0be3354f36793154", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "7060172e893faabd38e47a052f25c75c", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=15.18#15.18-66aee329c6813e82", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "11bb9497f3c67aace227015bc936b98e", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix possible server crash when processing extended statistics on expressions of extension data types", "evidence": {"same_day": true, "patch_ids": ["57808080730ecfb17eedfbeb01bceb92"], "statement_hash": "0b6cefc1fdc0c8f91af788bfe5a8b6d0b6b4059af142c8779ab898a1590a8d8a"}, "url": "/docs/compare/?release=14.23#14.23-4ba256fc57391391", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-e802516615666acf", "cves": [], "html": "Fix minor memory leaks in ICU-based string processing (Jeff Davis) §
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", "text": "If the startup process fails, properly shut down other child processes before exiting the postmaster (Ayush Tiwari) § The handling of this situation relied on a long-obsolete assumption that no other postmaster children exist while the startup process is running, so that immediate postmaster exit is acceptable. Orphaned children would eventually notice the postmaster's death and exit on their own, but a cleaner shutdown procedure is desirable.", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "commits": ["e381843cf"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "a71fbe38cda7e7697f7fe8e09dcb20abeeca36e994d2d2246215eac18ae908ff", "section_path": ["Changes"], "commit_groups": [["23cebf672", "2d347f2cd", "9b43e6793", "affdb2dd5", "e381843cf"]], "identity_text": "If the startup process fails, properly shut down other child processes before exiting the postmaster (Ayush Tiwari) The handling of this situation relied on a long-obsolete assumption that no other postmaster children exist while the startup process is running, so that immediate postmaster exit is acceptable. Orphaned children would eventually notice the postmaster's death and exit on their own, but a cleaner shutdown procedure is desirable.", "commit_aliases": ["23cebf672", "2d347f2cd", "9b43e6793", "affdb2dd5", "e381843cf"], "source_commits": ["e381843cf"], "source_entry_id": "17.10/changes/046", "db_id": "1258e1d70ad8d20566f8bef565afb542", "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5", "relations": [{"rule": 2, "type": "equivalent", "target": "2a31a83d114004ec62a45d4511e6eea8", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}}, {"rule": 2, "type": "equivalent", "target": "35889e010982e213ace67b19129690cc", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}}, {"rule": 2, "type": "equivalent", "target": "60187dd7a7a6b60a0c3449316b65aa78", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}}], "version": "17.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "60187dd7a7a6b60a0c3449316b65aa78", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}, "url": "/docs/compare/?release=18.4#18.4-fbb8a60e8a0fb7fa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "35889e010982e213ace67b19129690cc", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}, "url": "/docs/compare/?release=16.14#16.14-0b7f6a3235e38857", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "2a31a83d114004ec62a45d4511e6eea8", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "If the startup process fails, properly shut down other child processes before exiting the postmaster", "evidence": {"same_day": true, "patch_ids": ["336655f61a8e613f6d655ff5a808f10d"], "statement_hash": "cb4e5d59e127aafd8bb2c9e2c73437dd551d9591dd8c7309ec60a48a3299d4f5"}, "url": "/docs/compare/?release=15.18#15.18-59e230aa6a0adc1d", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}]}, {"id": "17.10-b851403e0c059925", "cves": [], "html": "Fix race condition between WAL replay of checkpoints and multixact ID creations (Heikki Linnakangas) §
\nA standby server following WAL from a primary of an older minor version could get into a crash-and-restart loop complaining about “could not access status of transaction”.
", "text": "Fix race condition between WAL replay of checkpoints and multixact ID creations (Heikki Linnakangas) § A standby server following WAL from a primary of an older minor version could get into a crash-and-restart loop complaining about “could not access status of transaction”.", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "commits": ["1ca385032"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "61979bfd660e0fa6770622b7a05714d887d0babcd41cb2c7a008ce624cc6cf4c", "section_path": ["Changes"], "commit_groups": [["0852643e1", "1ca385032", "77dff5d93", "a5f412107", "e35e466f6"]], "identity_text": "Fix race condition between WAL replay of checkpoints and multixact ID creations (Heikki Linnakangas) A standby server following WAL from a primary of an older minor version could get into a crash-and-restart loop complaining about could not access status of transaction.", "commit_aliases": ["0852643e1", "1ca385032", "77dff5d93", "a5f412107", "e35e466f6"], "source_commits": ["1ca385032"], "source_entry_id": "17.10/changes/047", "db_id": "7656c6c266fb5f623679c473e6534cb4", "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192", "relations": [{"rule": 2, "type": "equivalent", "target": "2dd877a931aebbb79cf02748fddc6985", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}, {"rule": 2, "type": "equivalent", "target": "61f30ae9ddadfa030207bdea7cb12e70", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}, {"rule": 2, "type": "equivalent", "target": "85b276d385b6533daa45fb10a83fcdc6", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}, {"rule": 2, "type": "equivalent", "target": "bdf695af62de33084d77c352623dcee3", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2dd877a931aebbb79cf02748fddc6985", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=18.4#18.4-b95009e302c19df6", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "bdf695af62de33084d77c352623dcee3", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=16.14#16.14-b3cb622e85e826dc", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "85b276d385b6533daa45fb10a83fcdc6", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=15.18#15.18-729165d8f77b8c3e", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "61f30ae9ddadfa030207bdea7cb12e70", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix race condition between WAL replay of checkpoints and multixact ID creations", "evidence": {"same_day": true, "patch_ids": ["bc2293c8457ac75a2ee41b1da5cae860"], "statement_hash": "966d18f3bd64c03cfe6fcbf5ad572276df81e74e4f0e0228686357c47c7ba192"}, "url": "/docs/compare/?release=14.23#14.23-c6d1cb4b3f13c969", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-3ccf02812257acd0", "cves": [], "html": "Prevent indefinite wait in shutdown of a walsender process (Anthonin Bonnefoy) § §
\nAt shutdown of a cluster that is publishing logical replication data, the walsender waits for all pending WAL to be written out. But it did not correctly request that to happen, so that in some cases this could become an indefinite wait.
", "text": "Prevent indefinite wait in shutdown of a walsender process (Anthonin Bonnefoy) § § At shutdown of a cluster that is publishing logical replication data, the walsender waits for all pending WAL to be written out. But it did not correctly request that to happen, so that in some cases this could become an indefinite wait.", "title": "Prevent indefinite wait in shutdown of a walsender process", "commits": ["8ee536c89", "bbbc0888b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "001a22a95454b9347ed8a035a05a463fad268f8c978b0ec43c8e56d5a65cf69f", "section_path": ["Changes"], "commit_groups": [["3bf6f22ce", "3eb2fecdb", "42734f296", "6eedb2a5f", "82935467a", "bbbc0888b"], ["8ee536c89", "980498138", "d927b4bd9", "da21ecf57", "f15471464", "fa9f2e317"]], "identity_text": "Prevent indefinite wait in shutdown of a walsender process (Anthonin Bonnefoy) At shutdown of a cluster that is publishing logical replication data, the walsender waits for all pending WAL to be written out. But it did not correctly request that to happen, so that in some cases this could become an indefinite wait.", "commit_aliases": ["3bf6f22ce", "3eb2fecdb", "42734f296", "6eedb2a5f", "82935467a", "8ee536c89", "980498138", "bbbc0888b", "d927b4bd9", "da21ecf57", "f15471464", "fa9f2e317"], "source_commits": ["8ee536c89", "bbbc0888b"], "source_entry_id": "17.10/changes/048", "db_id": "a7b932fcfa614135f399c6d16936a3ee", "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530", "relations": [{"rule": 2, "type": "equivalent", "target": "45420fcd1c11fe55a25c2e6f51f48363", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}}, {"rule": 2, "type": "equivalent", "target": "58a67f2d4d7fff6342315f22db6849a6", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}}, {"rule": 2, "type": "equivalent", "target": "dd2e9c6da8c31f99c801d2fd16385b3c", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}}, {"rule": 2, "type": "equivalent", "target": "f5dd9be5d5ba1e08ae8e1a43cf926484", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}}], "version": "17.10", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "dd2e9c6da8c31f99c801d2fd16385b3c", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Prevent indefinite wait in shutdown of a walsender process", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}, "url": "/docs/compare/?release=18.4#18.4-a9cb192589c0f7aa", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "58a67f2d4d7fff6342315f22db6849a6", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Prevent indefinite wait in shutdown of a walsender process", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}, "url": "/docs/compare/?release=16.14#16.14-817a820bc49c0dcf", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "45420fcd1c11fe55a25c2e6f51f48363", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Prevent indefinite wait in shutdown of a walsender process", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}, "url": "/docs/compare/?release=15.18#15.18-1a0fb49c7d011cf8", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "f5dd9be5d5ba1e08ae8e1a43cf926484", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Prevent indefinite wait in shutdown of a walsender process", "evidence": {"same_day": true, "patch_ids": ["472a5975808282fa6bd581c79c39f9ea", "76b367fc789f138e1eeabf0d364392af"], "statement_hash": "82e19a553da5241f427aaa49312a19ba9fb5200bffa8a85355d78e7c64e1a530"}, "url": "/docs/compare/?release=14.23#14.23-b352d254dd3297f4", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-fe407982706e6121", "cves": [], "html": "Ensure that changes to tables' free space maps are persisted during recovery (Alexey Makhmutov) §
\nPreviously, while WAL replay did update the free space map while replaying operations that should change it, the map page buffer did not get marked dirty if checksums are enabled, so that the changes might never get written out. On a standby server, over time this would result in a map wildly at variance with the table's actual contents. While the map is only used as a hint, this condition could cause significant performance degradation for some period of time after the standby server is promoted to be active, until most of the map has been repaired by updates.
", "text": "Ensure that changes to tables' free space maps are persisted during recovery (Alexey Makhmutov) § Previously, while WAL replay did update the free space map while replaying operations that should change it, the map page buffer did not get marked dirty if checksums are enabled, so that the changes might never get written out. On a standby server, over time this would result in a map wildly at variance with the table's actual contents. 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On a standby server, over time this would result in a map wildly at variance with the table's actual contents. 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", "text": "Fix crashes in some ecpg functions when called without any established connection (Shruthi Gowda) §", "title": "Fix crashes in some ecpg functions when called without any established connection", "commits": ["5d67549d9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "ebf95698cce6b4a2cc0ef14585389a7e9fa1c7e602f0f0da443d3e6219a4ae23", "section_path": ["Changes"], "commit_groups": [["5d67549d9", "6916f4410", "7e4c871f4", "c34a280c8", "e2688ea5e", "f0e3f9732"]], "identity_text": "Fix crashes in some ecpg functions when called without any established connection (Shruthi Gowda)", "commit_aliases": ["5d67549d9", "6916f4410", "7e4c871f4", "c34a280c8", "e2688ea5e", "f0e3f9732"], "source_commits": ["5d67549d9"], "source_entry_id": "17.10/changes/050", "db_id": "bdf9527e3b31fa7d5ae8f9823d072d3d", "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a", "relations": [{"rule": 2, "type": "equivalent", "target": "7907242716f81b2600bf11b638097726", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}}, {"rule": 2, "type": "equivalent", "target": "80c1fd60cd9f0d7c266d99b227c860c1", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}}, {"rule": 2, "type": "equivalent", "target": "c0c7dfbc8d8c6bcae16ae7205d190917", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}}, {"rule": 2, "type": "equivalent", "target": "feefd46320fbb1731e40ec3e06323dbb", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "c0c7dfbc8d8c6bcae16ae7205d190917", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix crashes in some ecpg functions when called without any established connection", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}, "url": "/docs/compare/?release=18.4#18.4-7aa817666dd07903", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "7907242716f81b2600bf11b638097726", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix crashes in some ecpg functions when called without any established connection", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}, "url": "/docs/compare/?release=16.14#16.14-44793a559af5c464", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "80c1fd60cd9f0d7c266d99b227c860c1", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix crashes in some ecpg functions when called without any established connection", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}, "url": "/docs/compare/?release=15.18#15.18-c008865e32c5c2bd", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "feefd46320fbb1731e40ec3e06323dbb", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "Fix crashes in some ecpg functions when called without any established connection", "evidence": {"same_day": true, "patch_ids": ["c7a6bafc62f4feae4e980b1e35da2b80"], "statement_hash": "d082bcf56e345df427e58be27130fd3aa6a1679e210b9c2dac559e63adb7e00a"}, "url": "/docs/compare/?release=14.23#14.23-0d4724d0f0edd35d", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-608dfcd402c79cc9", "cves": [], "html": "Fix assorted bugs in backup decompression and tar-parsing code (Andrew Dunstan, Tom Lane, Chao Li) § § §
\nThe decompression and tar-file reading code used in pg_basebackup and pg_verifybackup mishandled tar-file padding data, could corrupt LZ4-compressed data in edge cases, failed to check for some unusual error conditions, failed to exit after compression/decompression errors (leading to cascading error reports), and leaked memory.
", "text": "Fix assorted bugs in backup decompression and tar-parsing code (Andrew Dunstan, Tom Lane, Chao Li) § § § The decompression and tar-file reading code used in pg_basebackup and pg_verifybackup mishandled tar-file padding data, could corrupt LZ4-compressed data in edge cases, failed to check for some unusual error conditions, failed to exit after compression/decompression errors (leading to cascading error reports), and leaked memory.", "title": "Fix assorted bugs in backup decompression and tar-parsing code", "commits": ["2640c5ba7", "8b198b093", "f1298a4c2"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "e94f69be37df14faa58e45f7131f37ef653046ed6266eac12ba6af6358301087", "section_path": ["Changes"], "commit_groups": [["01d58d7e3", "1590723f0", "5095f3f4a", "d3bb7841b", "f1298a4c2"], ["2640c5ba7", "415cc943f", "4548e8746", "78dc9a808", "c70f6dc6b"], ["8b198b093", "9a42888a3", "a01a592b1", "ac0accafd", "cce939c71"]], "identity_text": "Fix assorted bugs in backup decompression and tar-parsing code (Andrew Dunstan, Tom Lane, Chao Li) The decompression and tar-file reading code used in pg_basebackup and pg_verifybackup mishandled tar-file padding data, could corrupt LZ4-compressed data in edge cases, failed to check for some unusual error conditions, failed to exit after compression/decompression errors (leading to cascading error reports), and leaked memory.", "commit_aliases": ["01d58d7e3", "1590723f0", "2640c5ba7", "415cc943f", "4548e8746", "5095f3f4a", "78dc9a808", "8b198b093", "9a42888a3", "a01a592b1", "ac0accafd", "c70f6dc6b", "cce939c71", "d3bb7841b", "f1298a4c2"], "source_commits": ["2640c5ba7", "8b198b093", "f1298a4c2"], "source_entry_id": "17.10/changes/051", "db_id": "bb9e0889e1a5adbf796ceaf3f2bba54a", "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829", "relations": [{"rule": 2, "type": "equivalent", "target": "212902cab1e6fcee0bcc358f8fa492ef", "evidence": {"same_day": true, "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829"}}, {"rule": 2, "type": "equivalent", "target": "2c1767e33fbd2c5b0ad76b3984a83f2d", "evidence": {"same_day": true, "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829"}}, {"rule": 2, "type": "equivalent", "target": "34c5828614b646d0ee1635c733748049", "evidence": {"same_day": true, "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "2c1767e33fbd2c5b0ad76b3984a83f2d", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "Fix assorted bugs in backup decompression and tar-parsing code", "evidence": {"same_day": true, "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829"}, "url": "/docs/compare/?release=18.4#18.4-3efb2ed246686260", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "212902cab1e6fcee0bcc358f8fa492ef", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "Fix assorted bugs in backup decompression and tar-parsing code", "evidence": {"same_day": true, "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829"}, "url": "/docs/compare/?release=16.14#16.14-55b8ddc2c336b3f6", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "34c5828614b646d0ee1635c733748049", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "Fix assorted bugs in backup decompression and tar-parsing code", "evidence": {"same_day": true, "patch_ids": ["776d5a67dae4e90312023436a1a121e4", "a09bdaf76ce8e50fc1ed232d629496d1", "e611dc8dc55e1b7e28e7918dce0a5440"], "statement_hash": "14975a7d452ebd245adc06195cb53e296e97faf277282e3324587b2fcb641829"}, "url": "/docs/compare/?release=15.18#15.18-bb7e1f982c3d3fbb", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}]}, {"id": "17.10-abb35676e2703512", "cves": [], "html": "In pg_dumpall, don't skip role GRANTs with dangling grantor OIDs (Tom Lane) §
Instead, handle such cases by emitting GRANT without any GRANTED BY clause, as we did before v16. This avoids losing the grant in foreseeable cases, since pre-v16 servers didn't prevent dropping the grantor role. Continue to emit a warning about the missing grantor, but only if the source server is v16 or later.
In pg_upgrade, take care to use the correct protocol version when connecting to older source servers (Jacob Champion) §
\nThis could be problematic when attempting to upgrade from a pre-2018 server.
", "text": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers (Jacob Champion) § This could be problematic when attempting to upgrade from a pre-2018 server.", "title": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers", "commits": ["ad7fc3f1f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "485074045be8dbbd23ff097775c921fa4d4784ab798c5994ad12d8b0ec170f57", "section_path": ["Changes"], "commit_groups": [["1b2773179", "a38ed212f", "a60a10338", "ad7fc3f1f", "c47744ede", "e726620d2"]], "identity_text": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers (Jacob Champion) This could be problematic when attempting to upgrade from a pre-2018 server.", "commit_aliases": ["1b2773179", "a38ed212f", "a60a10338", "ad7fc3f1f", "c47744ede", "e726620d2"], "source_commits": ["ad7fc3f1f"], "source_entry_id": "17.10/changes/053", "db_id": "29ee5ab07783ca431d54fc60a7a68ac6", "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c", "relations": [{"rule": 2, "type": "equivalent", "target": "330e067151809e2b5b18a2ce11b3f4a8", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}}, {"rule": 2, "type": "equivalent", "target": "6e7bc01c77ad0b62b80fffc021e1f621", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}}, {"rule": 2, "type": "equivalent", "target": "b441ea3af4b648902039f9d5d3831785", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}}, {"rule": 2, "type": "equivalent", "target": "df5ddbd0c6e2f445b5c35f53b9f74046", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b441ea3af4b648902039f9d5d3831785", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}, "url": "/docs/compare/?release=18.4#18.4-f5f35647f03db5de", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "df5ddbd0c6e2f445b5c35f53b9f74046", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}, "url": "/docs/compare/?release=16.14#16.14-187bc32bd33adec9", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "330e067151809e2b5b18a2ce11b3f4a8", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}, "url": "/docs/compare/?release=15.18#15.18-e68e0ef207bfd5a9", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "6e7bc01c77ad0b62b80fffc021e1f621", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "In pg_upgrade, take care to use the correct protocol version when connecting to older source servers", "evidence": {"same_day": true, "patch_ids": ["566020049e5cf4849b3dd9a9935a3aba"], "statement_hash": "6ea9a20b0f199ebe33de09e3497f924a73ae542c7d6af134326d0792ad8e087c"}, "url": "/docs/compare/?release=14.23#14.23-2b24a61f4f7f3458", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-760c43569faae613", "cves": [], "html": "In contrib/basic_archive, allow the archive directory to be missing at startup (Nathan Bossart) §
Previously, the setting of basic_archive.archive_directory was rejected if it didn't point to an existing directory. This is undesirable because archiving will be stuck indefinitely, even if the directory appears later.
Fix contrib/ltree to cope when case-folding changes a string's byte length (Jeff Davis) §
Previously, lquery patterns specifying case-insensitive matching might fail to match labels they should match.
In contrib/pg_stat_statements, don't leak memory if an error occurs while parsing the pgss_query_texts.stat file (Heikki Linnakangas) §
In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection (Etsuro Fujita) §
If a remote connection fails abort cleanup, we can't use it any longer. But delay closing the connection object until end of transaction, because there might still be references to it within data structures such as open cursors.
", "text": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection (Etsuro Fujita) § If a remote connection fails abort cleanup, we can't use it any longer. But delay closing the connection object until end of transaction, because there might still be references to it within data structures such as open cursors.", "title": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection", "commits": ["af8f9248f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.10/#RELEASE-17-10-CHANGES", "source_hash": "84ce363096cf71d57f6c5553a14d4ce2882ced43fc2e05a7b774e01833077b0a", "section_path": ["Changes"], "commit_groups": [["1352651c2", "34c18a225", "648818ba3", "af8f9248f", "c318777da", "fd5b36ab1"]], "identity_text": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection (Etsuro Fujita) If a remote connection fails abort cleanup, we can't use it any longer. But delay closing the connection object until end of transaction, because there might still be references to it within data structures such as open cursors.", "commit_aliases": ["1352651c2", "34c18a225", "648818ba3", "af8f9248f", "c318777da", "fd5b36ab1"], "source_commits": ["af8f9248f"], "source_entry_id": "17.10/changes/057", "db_id": "9bcb1c284d9f8abb68fce372f4df9301", "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48", "relations": [{"rule": 2, "type": "equivalent", "target": "5debbdff219f6645c34f0afc23c6c9a8", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}}, {"rule": 2, "type": "equivalent", "target": "701d8322decc496c951bc0d7ecfdd513", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}}, {"rule": 2, "type": "equivalent", "target": "8c8ea6b283a201d99cb3d8c9f57cd142", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}}, {"rule": 2, "type": "equivalent", "target": "b0783885375212755fb05950c3052a4a", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}}], "version": "17.10", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5debbdff219f6645c34f0afc23c6c9a8", "kind": "equivalent", "version": "18.4", "label": "18.4", "title": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}, "url": "/docs/compare/?release=18.4#18.4-78a75773cc77437b", "source_url": "/docs/release/18.4/#RELEASE-18-4-CHANGES"}, {"db_id": "8c8ea6b283a201d99cb3d8c9f57cd142", "kind": "equivalent", "version": "16.14", "label": "16.14", "title": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}, "url": "/docs/compare/?release=16.14#16.14-c88b56bc0749f951", "source_url": "/docs/release/16.14/#RELEASE-16-14-CHANGES"}, {"db_id": "701d8322decc496c951bc0d7ecfdd513", "kind": "equivalent", "version": "15.18", "label": "15.18", "title": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}, "url": "/docs/compare/?release=15.18#15.18-9110118db586478d", "source_url": "/docs/release/15.18/#id-1.11.6.7.5"}, {"db_id": "b0783885375212755fb05950c3052a4a", "kind": "equivalent", "version": "14.23", "label": "14.23", "title": "In contrib/postgres_fdw, avoid crash due to premature cleanup of a failed connection", "evidence": {"same_day": true, "patch_ids": ["73eecb88ff1f4197b1eb6900521746ca"], "statement_hash": "c7e9961353a3aad5643e55ab0c89f89d4bd050418724e45b79a4a1fb13cd1c48"}, "url": "/docs/compare/?release=14.23#14.23-c4a00b3d7115895d", "source_url": "/docs/release/14.23/#id-1.11.6.7.6"}]}, {"id": "17.10-1e6fcd0fa95c5ce6", "cves": [], "html": "Update time zone data files to tzdata release 2026b (Tom Lane) §
\nBritish Columbia (America/Vancouver) will be on year-round UTC-07 (effectively, permanent DST) beginning in November 2026. This release assumes that their TZ abbreviation will be MST from that time forward. That seems likely to change, but it's unclear what new abbreviation will be used. Also a historical correction for Moldova: they have followed EU DST transition times since 2022.
A dump/restore is not required for those running 17.X.
\nHowever, if you are upgrading from a version earlier than 17.6, see Section E.6.
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The fix for CVE-2026-2006 was too aggressive and could raise an error about an incomplete character in cases that are actually valid.
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This error could lead to skipping NOT NULL tests in the mistaken belief that they were unnecessary, resulting in wrong query output.
Fix pg_stat_get_backend_wait_event() and pg_stat_get_backend_wait_event_type() to report values for auxiliary processes (Heikki Linnakangas) §
Previously these functions returned NULL for auxiliary processes, but that's inconsistent with the pg_stat_activity view.
Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function (Tom Lane) §
\nIf the variable's value is NULL, a “cache lookup failed for type 0” error resulted.
", "text": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function (Tom Lane) § If the variable's value is NULL, a “cache lookup failed for type 0” error resulted.", "title": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function", "commits": ["dfd850980"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.9/#RELEASE-17-9-CHANGES", "source_hash": "8609a1b3bab14b3c4cbecc4cce37cf565bb82d9fbe4e1193bf5243274eacf17c", "section_path": ["Changes"], "commit_groups": [["254b15cbf", "2b93d3820", "9863c9075", "c66f4cff1", "ce4b7e3a1", "dfd850980"]], "identity_text": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function (Tom Lane) If the variable's value is NULL, a cache lookup failed for type 0 error resulted.", "commit_aliases": ["254b15cbf", "2b93d3820", "9863c9075", "c66f4cff1", "ce4b7e3a1", "dfd850980"], "source_commits": ["dfd850980"], "source_entry_id": "17.9/changes/005", "db_id": "1f6375c5be0406ebaeab1ddd1281f48a", "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5", "relations": [{"rule": 2, "type": "equivalent", "target": "08e9766e078b0f98d664963d7351568a", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}}, {"rule": 2, "type": "equivalent", "target": "509c9d18c03750ab5a1af4533e9e3f71", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}}, {"rule": 2, "type": "equivalent", "target": "b3e55b2d8440115c6283ddb4434aed5d", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}}, {"rule": 2, "type": "equivalent", "target": "d7289871637eb477a52d704b8b129dee", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}}], "version": "17.9", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "d7289871637eb477a52d704b8b129dee", "kind": "equivalent", "version": "18.3", "label": "18.3", "title": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}, "url": "/docs/compare/?release=18.3#18.3-68534f113dfbb27d", "source_url": "/docs/release/18.3/#RELEASE-18-3-CHANGES"}, {"db_id": "b3e55b2d8440115c6283ddb4434aed5d", "kind": "equivalent", "version": "16.13", "label": "16.13", "title": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}, "url": "/docs/compare/?release=16.13#16.13-63ccf52c03df56be", "source_url": "/docs/release/16.13/#RELEASE-16-13-CHANGES"}, {"db_id": "509c9d18c03750ab5a1af4533e9e3f71", "kind": "equivalent", "version": "15.17", "label": "15.17", "title": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}, "url": "/docs/compare/?release=15.17#15.17-f14d3ac393cef450", "source_url": "/docs/release/15.17/#id-1.11.6.8.5"}, {"db_id": "08e9766e078b0f98d664963d7351568a", "kind": "equivalent", "version": "14.22", "label": "14.22", "title": "Fix casting a composite-type variable to a domain type when returning its value from a PL/pgSQL function", "evidence": {"same_day": true, "patch_ids": ["4682bfcc99694f6b7bf7c07af3082c2e"], "statement_hash": "257a19cad310234769985e6594cf9f32698b7849a63b72427ee23e58e321e7d5"}, "url": "/docs/compare/?release=14.22#14.22-3b6651931176e1ab", "source_url": "/docs/release/14.22/#id-1.11.6.8.6"}]}, {"id": "17.9-09236fba7643dbb2", "cves": [], "html": "Fix potential null pointer dereference in contrib/hstore's binary input function (Michael Paquier) §
hstore's receive function crashed on input containing duplicate keys. hstore values generated by Postgres would never contain duplicate keys, so this mistake has gone unnoticed. The crash could be provoked by malicious or corrupted data.
A dump/restore is not required for those running 17.X.
\nHowever, if you are upgrading from a version earlier than 17.6, see Section E.6.
", "compatibility_count": 0, "label": "17.8", "status_label": "Supported", "eol": "2029-11-08", "age_days": 229, "support_days": 1136, "entries": [{"id": "17.8-a1109c4f32ae03d0", "cves": ["CVE-2026-2003"], "html": "Guard against unexpected dimensions of oidvector/int2vector (Tom Lane) §
These data types are expected to be 1-dimensional arrays containing no nulls, but there are cast pathways that permit violating those expectations. Add checks to some functions that were depending on those expectations without verifying them, and could misbehave in consequence.
\nThe PostgreSQL Project thanks Altan Birler for reporting this problem. (CVE-2026-2003)
", "text": "Guard against unexpected dimensions of oidvector/int2vector (Tom Lane) § These data types are expected to be 1-dimensional arrays containing no nulls, but there are cast pathways that permit violating those expectations. Add checks to some functions that were depending on those expectations without verifying them, and could misbehave in consequence. The PostgreSQL Project thanks Altan Birler for reporting this problem. (CVE-2026-2003)", "title": "Guard against unexpected dimensions of oidvector/int2vector", "commits": ["3d160401b"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "d6f2ff312bd9c8c763279e53fb67886bc23756a9c53acaeff115450bf0778edc", "section_path": ["Changes"], "commit_groups": [["3b6588cd9", "3d160401b", "429aeaebd", "595956fc7", "60e7ae41a", "b39d38139"]], "identity_text": "Guard against unexpected dimensions of oidvector/int2vector (Tom Lane) These data types are expected to be 1-dimensional arrays containing no nulls, but there are cast pathways that permit violating those expectations. Add checks to some functions that were depending on those expectations without verifying them, and could misbehave in consequence. The PostgreSQL Project thanks Altan Birler for reporting this problem. (CVE-2026-2003)", "commit_aliases": ["3b6588cd9", "3d160401b", "429aeaebd", "595956fc7", "60e7ae41a", "b39d38139"], "source_commits": ["3d160401b"], "source_entry_id": "17.8/changes/001", "db_id": "dadfe1bd35a127e4b2350a876ce5f39d", "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787", "relations": [{"rule": 2, "type": "equivalent", "target": "020aec6d98ff35dcd4eca87ecb7d21fd", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}, {"rule": 2, "type": "equivalent", "target": "8db55cd2cacfbefb7d8380baee0440a5", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}, {"rule": 2, "type": "equivalent", "target": "93680dc2fc005fc9bc0a92b7d80ee23b", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}, {"rule": 2, "type": "equivalent", "target": "d474cd2cf9a4505bba396d502fe366fe", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}}], "version": "17.8", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "020aec6d98ff35dcd4eca87ecb7d21fd", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=18.2#18.2-5c52afa7301594c6", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "93680dc2fc005fc9bc0a92b7d80ee23b", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=16.12#16.12-289361027e903f71", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "8db55cd2cacfbefb7d8380baee0440a5", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=15.16#15.16-cffa85682917fc25", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "d474cd2cf9a4505bba396d502fe366fe", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Guard against unexpected dimensions of oidvector/int2vector", "evidence": {"same_day": true, "patch_ids": ["e625ea93052fd4dfb5ad354c3e4c3569"], "statement_hash": "ce3b678bc249d2400e6f33b017d19a152d1f885b7690423e0e17ba0530a55787"}, "url": "/docs/compare/?release=14.21#14.21-182abf620be79725", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-66e960e22441cfaa", "cves": ["CVE-2026-2004"], "html": "Harden selectivity estimators against being attached to operators that accept unexpected data types (Tom Lane) § § §
\ncontrib/intarray contained a selectivity estimation function that could be abused for arbitrary code execution, because it did not check that its input was of the expected data type. Third-party extensions should check for similar hazards and add defenses using the technique intarray now uses. Since such extension fixes will take time, we now require superuser privilege to attach a non-built-in selectivity estimator to an operator.
The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2004)
", "text": "Harden selectivity estimators against being attached to operators that accept unexpected data types (Tom Lane) § § § contrib/intarray contained a selectivity estimation function that could be abused for arbitrary code execution, because it did not check that its input was of the expected data type. Third-party extensions should check for similar hazards and add defenses using the technique intarray now uses. Since such extension fixes will take time, we now require superuser privilege to attach a non-built-in selectivity estimator to an operator. The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2004)", "title": "Harden selectivity estimators against being attached to operators that accept unexpected data types", "commits": ["bbf5bcf58", "dbb09fd8e", "dd3ad2a4d"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "a00d40efc8ae577ccc246661e137fe4f7abc81b3f58595861b4c47e8d4faa418", "section_path": ["Changes"], "commit_groups": [["3ecc84cce", "9fa38c572", "d484bc260", "dbb09fd8e"], ["66ddac698", "841d42cc4", "91d7c0bfd", "b764b26f2", "bbf5bcf58", "ea3bf3498"], ["7e82d9a04", "8ebdf41c2", "b69af3dda", "c0887b39d", "dd3ad2a4d", "deb464a40"]], "identity_text": "Harden selectivity estimators against being attached to operators that accept unexpected data types (Tom Lane) contrib/intarray contained a selectivity estimation function that could be abused for arbitrary code execution, because it did not check that its input was of the expected data type. Third-party extensions should check for similar hazards and add defenses using the technique intarray now uses. Since such extension fixes will take time, we now require superuser privilege to attach a non-built-in selectivity estimator to an operator. The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2004)", "commit_aliases": ["3ecc84cce", "66ddac698", "7e82d9a04", "841d42cc4", "8ebdf41c2", "91d7c0bfd", "9fa38c572", "b69af3dda", "b764b26f2", "bbf5bcf58", "c0887b39d", "d484bc260", "dbb09fd8e", "dd3ad2a4d", "deb464a40", "ea3bf3498"], "source_commits": ["bbf5bcf58", "dbb09fd8e", "dd3ad2a4d"], "source_entry_id": "17.8/changes/002", "db_id": "eb75ba70d74784578edba6ea18a6aaf9", "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4", "relations": [{"rule": 2, "type": "equivalent", "target": "184452363a4be8fbad69f06eb60df539", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}}, {"rule": 2, "type": "equivalent", "target": "3cfe051a6ace1086d9ff67af367a40f4", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}}, {"rule": 2, "type": "equivalent", "target": "853a0accddf2290afda1b4c5d74207ed", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}}, {"rule": 2, "type": "equivalent", "target": "b368f952921e7f029d36869bd2860743", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}}], "version": "17.8", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "853a0accddf2290afda1b4c5d74207ed", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Harden selectivity estimators against being attached to operators that accept unexpected data types", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}, "url": "/docs/compare/?release=18.2#18.2-0a3add9d9f709ebd", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "184452363a4be8fbad69f06eb60df539", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Harden selectivity estimators against being attached to operators that accept unexpected data types", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}, "url": "/docs/compare/?release=16.12#16.12-9d7c1c9d84e5292d", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "b368f952921e7f029d36869bd2860743", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Harden selectivity estimators against being attached to operators that accept unexpected data types", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}, "url": "/docs/compare/?release=15.16#15.16-9ecdcfc6d990fa17", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "3cfe051a6ace1086d9ff67af367a40f4", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Harden selectivity estimators against being attached to operators that accept unexpected data types", "evidence": {"same_day": true, "patch_ids": ["2f2e483656bae2dbe55158c3365123bd", "356a9ce59861f3c9318ff0c7fe53f540", "4bc40137a21f6b104cb7a2aaf123c445"], "statement_hash": "bf854d211c57f15bce3aa7bbb099f8690284afbf8188626b5fdf9bd083214cc4"}, "url": "/docs/compare/?release=14.21#14.21-4f1356e5a78a8982", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-ad02898fb1831e36", "cves": ["CVE-2026-2005"], "html": "Fix buffer overrun in contrib/pgcrypto's PGP decryption functions (Michael Paquier) §
Decrypting a crafted message with an overlength session key caused a buffer overrun, with consequences as bad as arbitrary code execution.
\nThe PostgreSQL Project thanks Team Xint Code, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2005)
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\nAssorted bugs allowed an attacker able to issue crafted SQL to overrun string buffers, with consequences as bad as arbitrary code execution. After these fixes, applications may observe “invalid byte sequence for encoding” errors when string functions process invalid text that has been stored in the database.
\nThe PostgreSQL Project thanks Paul Gerste and Moritz Sanft, as part of zeroday.cloud, for reporting this problem. (CVE-2026-2006)
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When executing a data-modifying CTE query containing both a MERGE and another DML operation on a table with statement-level AFTER triggers, the transition tables passed to the triggers would not include the rows affected by the MERGE, only those affected by the other operation(s).
Fix failure when all children of a partitioned target table of an update or delete have been pruned (Amit Langote) §
\nIn such cases, the executor could report “could not find junk ctid column” errors, even though nothing needs to be done.
", "text": "Fix failure when all children of a partitioned target table of an update or delete have been pruned (Amit Langote) § In such cases, the executor could report “could not find junk ctid column” errors, even though nothing needs to be done.", "title": "Fix failure when all children of a partitioned target table of an update or delete have been pruned", "commits": ["933f67fb6"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "c083bbe031a95efa1c012a12bb38733aa4b659acfa9061e5f42389683b529c8e", "section_path": ["Changes"], "commit_groups": [["687533b39", "6d2fa44d2", "933f67fb6", "9f4b7bfc5", "f9a468c66", "fab386f74"]], "identity_text": "Fix failure when all children of a partitioned target table of an update or delete have been pruned (Amit Langote) In such cases, the executor could report could not find junk ctid column errors, even though nothing needs to be done.", "commit_aliases": ["687533b39", "6d2fa44d2", "933f67fb6", "9f4b7bfc5", "f9a468c66", "fab386f74"], "source_commits": ["933f67fb6"], "source_entry_id": "17.8/changes/007", "db_id": "63da9c3d80fbdcaacf4a6c8e130df7a3", "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3", "relations": [{"rule": 2, "type": "equivalent", "target": "179b2113d34cec63f6ed7d3339773014", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}}, {"rule": 2, "type": "equivalent", "target": "4ced629daa2801c0202dec91097dd571", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}}, {"rule": 2, "type": "equivalent", "target": "7a4315af35989c84209f54d435f1bc39", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}}, {"rule": 2, "type": "equivalent", "target": "f4b5a0c770a80f36d1c78eef1f635128", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}}], "version": "17.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "f4b5a0c770a80f36d1c78eef1f635128", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Fix failure when all children of a partitioned target table of an update or delete have been pruned", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}, "url": "/docs/compare/?release=18.2#18.2-6f5d6058ff3801ed", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "7a4315af35989c84209f54d435f1bc39", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fix failure when all children of a partitioned target table of an update or delete have been pruned", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}, "url": "/docs/compare/?release=16.12#16.12-4f022f27b3f533c3", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "179b2113d34cec63f6ed7d3339773014", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Fix failure when all children of a partitioned target table of an update or delete have been pruned", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}, "url": "/docs/compare/?release=15.16#15.16-fc6e34c9815a3a0c", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "4ced629daa2801c0202dec91097dd571", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fix failure when all children of a partitioned target table of an update or delete have been pruned", "evidence": {"same_day": true, "patch_ids": ["9a0dd248bccac339f799f84ddd7d8025"], "statement_hash": "2d865ce2ec1c605811a5336cc6b79b917602006b9d88ed02a66f1499e94eb2b3"}, "url": "/docs/compare/?release=14.21#14.21-807fef0437b28900", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-a2c5213ddb6acb5c", "cves": [], "html": "Avoid possible planner failure when a query contains duplicate window function calls (Meng Zhang, David Rowley) §
\nConfusion over de-duplication of such calls could result in errors like “WindowFunc with winref 2 assigned to WindowAgg with winref 1”.
", "text": "Avoid possible planner failure when a query contains duplicate window function calls (Meng Zhang, David Rowley) § Confusion over de-duplication of such calls could result in errors like “WindowFunc with winref 2 assigned to WindowAgg with winref 1”.", "title": "Avoid possible planner failure when a query contains duplicate window function calls", "commits": ["cae812741"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "6db7b46f8f3a3c462f30ed00c39f1a45bde1b455b14e3fa77cdb6fada2bca501", "section_path": ["Changes"], "commit_groups": [["4297a3519", "7027dd499", "cae812741", "ccde5be68"]], "identity_text": "Avoid possible planner failure when a query contains duplicate window function calls (Meng Zhang, David Rowley) Confusion over de-duplication of such calls could result in errors like WindowFunc with winref 2 assigned to WindowAgg with winref 1.", "commit_aliases": ["4297a3519", "7027dd499", "cae812741", "ccde5be68"], "source_commits": ["cae812741"], "source_entry_id": "17.8/changes/008", "db_id": "7ac52809fbfe8babeb50e09de2f149dc", "patch_ids": ["fa4bfd3b1304bc4a95cf26b478914aab"], "statement_hash": "392afbf3348f0707bd8555b9a123869d33484aee1e6cef1a77967d81fcb6e73e", "relations": [{"rule": 2, "type": "equivalent", "target": "4b3957065e21f608944a30199fa8b0a3", "evidence": {"same_day": true, "patch_ids": ["fa4bfd3b1304bc4a95cf26b478914aab"], "statement_hash": "392afbf3348f0707bd8555b9a123869d33484aee1e6cef1a77967d81fcb6e73e"}}, {"rule": 2, "type": "equivalent", "target": "74b77b8e6ab0ea1bc12ae9243c478255", "evidence": {"same_day": true, "patch_ids": ["fa4bfd3b1304bc4a95cf26b478914aab"], "statement_hash": "392afbf3348f0707bd8555b9a123869d33484aee1e6cef1a77967d81fcb6e73e"}}], "version": "17.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "4b3957065e21f608944a30199fa8b0a3", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Avoid possible planner failure when a query contains duplicate window function calls", "evidence": {"same_day": true, "patch_ids": ["fa4bfd3b1304bc4a95cf26b478914aab"], "statement_hash": "392afbf3348f0707bd8555b9a123869d33484aee1e6cef1a77967d81fcb6e73e"}, "url": "/docs/compare/?release=18.2#18.2-339f2dc7a8d3edca", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "74b77b8e6ab0ea1bc12ae9243c478255", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Avoid possible planner failure when a query contains duplicate window function calls", "evidence": {"same_day": true, "patch_ids": ["fa4bfd3b1304bc4a95cf26b478914aab"], "statement_hash": "392afbf3348f0707bd8555b9a123869d33484aee1e6cef1a77967d81fcb6e73e"}, "url": "/docs/compare/?release=16.12#16.12-8fbbc59398435d48", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}]}, {"id": "17.8-845083cdcffc5df5", "cves": [], "html": "Allow indexscans on partial hash indexes even when the index's predicate implies the truth of the WHERE clause (Tom Lane) §
\nNormally we drop a WHERE clause that is implied by the predicate, since it's pointless to test it; it must hold for every index entry. However that can prevent creation of an indexscan plan if the index is one that requires a WHERE clause on the leading index key, as hash indexes do. Don't drop implied clauses when considering such an index.
", "text": "Allow indexscans on partial hash indexes even when the index's predicate implies the truth of the WHERE clause (Tom Lane) § Normally we drop a WHERE clause that is implied by the predicate, since it's pointless to test it; it must hold for every index entry. However that can prevent creation of an indexscan plan if the index is one that requires a WHERE clause on the leading index key, as hash indexes do. 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\nOne seldom-taken code path incorrectly emitted a WAL record relating to a BRIN index even if the index was marked unlogged. Crash recovery would then fail to replay that record, complaining that the file already exists.
", "text": "Do not emit WAL for unlogged BRIN indexes (Kirill Reshke) § One seldom-taken code path incorrectly emitted a WAL record relating to a BRIN index even if the index was marked unlogged. Crash recovery would then fail to replay that record, complaining that the file already exists.", "title": "Do not emit WAL for unlogged BRIN indexes", "commits": ["4b6d096a0"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "2ae64889251c756300604127ceb68d5d8fc0c912bce2f2ecc85e0814bb9bbc61", "section_path": ["Changes"], "commit_groups": [["460d97020", "4b6d096a0", "951b60f7a", "a5277700e", "ab4256869", "d77a5f981"]], "identity_text": "Do not emit WAL for unlogged BRIN indexes (Kirill Reshke) One seldom-taken code path incorrectly emitted a WAL record relating to a BRIN index even if the index was marked unlogged. Crash recovery would then fail to replay that record, complaining that the file already exists.", "commit_aliases": ["460d97020", "4b6d096a0", "951b60f7a", "a5277700e", "ab4256869", "d77a5f981"], "source_commits": ["4b6d096a0"], "source_entry_id": "17.8/changes/010", "db_id": "293acf13040f24b30864b10bd699a3a0", "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f", "relations": [{"rule": 2, "type": "equivalent", "target": "0937f4c4aaa8ff37a519ed8e315b4268", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}, {"rule": 2, "type": "equivalent", "target": "5e595f6d6c44016c34bfdd305d261a1f", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}, {"rule": 2, "type": "equivalent", "target": "a7d18f384393c9a111537f87704719de", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}, {"rule": 2, "type": "equivalent", "target": "e2905bab9de145b119d05715dee49169", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}}], "version": "17.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0937f4c4aaa8ff37a519ed8e315b4268", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=18.2#18.2-569b26ba06e60ceb", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "a7d18f384393c9a111537f87704719de", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=16.12#16.12-1d78fb1ed6b323ce", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "5e595f6d6c44016c34bfdd305d261a1f", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=15.16#15.16-a50c7a9a9c1966f8", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "e2905bab9de145b119d05715dee49169", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Do not emit WAL for unlogged BRIN indexes", "evidence": {"same_day": true, "patch_ids": ["548b71793684eb7a3b4dc68f7e774931"], "statement_hash": "14bc5b9ab44a24425a2aaf5ae8e65539cd475fa7e779fdd338932c2bec859e4f"}, "url": "/docs/compare/?release=14.21#14.21-7a0553ecbce106c9", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-4391ac8372980d16", "cves": [], "html": "Prevent truncation of CLOG that is still needed by unread NOTIFY messages (Joel Jacobson, Heikki Linnakangas) § § §
This fix prevents “could not access status of transaction” errors when a backend is slow to absorb NOTIFY messages.
Escalate errors occurring during NOTIFY message processing to FATAL, i.e. close the connection (Heikki Linnakangas) §
Formerly, if a backend got an error while absorbing a NOTIFY message, it would advance past that message, report the error to the client, and move on. That behavior was fraught with problems though. One big concern is that the client has no good way to know that a notification was lost, and certainly no way to know what was in it. Depending on the application logic, missing a notification could cause the application to get stuck waiting, for example. Also, any remaining messages would not get processed until someone sent a new NOTIFY.
Also, if the connection is idle at the time of receiving a NOTIFY signal, any ERROR would be escalated to FATAL anyway, due to unrelated concerns. Therefore, we've chosen to make that happen in all cases, for consistency and to provide a clear signal to the application that it might have missed some notifications.
Fix erroneous counting of updates in EXPLAIN ANALYZE MERGE with a concurrent update (Dean Rasheed) §
This situation led to an incorrect count of “skipped” tuples in EXPLAIN's output, or to an assertion failure in an assert-enabled build.
Fix bug in following update chain when locking a tuple (Jasper Smit) §
\nThis code path neglected to check the xmin of the first new tuple in the update chain, making it possible to lock an unrelated tuple if the original updater aborted and the space was immediately reclaimed by VACUUM and then re-used. That could cause unexpected transaction delays or deadlocks. Errors associated with having identified the wrong tuple have also been observed.
Fix issues around in-place catalog updates (Noah Misch) § § §
\nSend a nontransactional invalidation message for an in-place update, since such an update will survive transaction rollback. Also ensure that the update is WAL-logged before other sessions can see it. These fixes primarily prevent scenarios in which relations' frozen-XID attributes become inconsistent, possibly allowing premature CLOG truncation and subsequent “could not access status of transaction” errors.
", "text": "Fix issues around in-place catalog updates (Noah Misch) § § § Send a nontransactional invalidation message for an in-place update, since such an update will survive transaction rollback. Also ensure that the update is WAL-logged before other sessions can see it. These fixes primarily prevent scenarios in which relations' frozen-XID attributes become inconsistent, possibly allowing premature CLOG truncation and subsequent “could not access status of transaction” errors.", "title": "Fix issues around in-place catalog updates", "commits": ["0f69bedde", "bcb784e7d", "d3e5d8950"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "af0dd5d9953146cdd38d153f968f4bcfb04abcf63b67128386f241a1a686902d", "section_path": ["Changes"], "commit_groups": [["05d605b6c", "0f69bedde", "1d7b02711", "811422471"], ["0dfbd191a", "27e4fad98", "86091202a", "bcb784e7d"], ["20a48c156", "720e9304f", "d3e5d8950", "e4b1986b9"]], "identity_text": "Fix issues around in-place catalog updates (Noah Misch) Send a nontransactional invalidation message for an in-place update, since such an update will survive transaction rollback. Also ensure that the update is WAL-logged before other sessions can see it. These fixes primarily prevent scenarios in which relations' frozen-XID attributes become inconsistent, possibly allowing premature CLOG truncation and subsequent could not access status of transaction errors.", "commit_aliases": ["05d605b6c", "0dfbd191a", "0f69bedde", "1d7b02711", "20a48c156", "27e4fad98", "720e9304f", "811422471", "86091202a", "bcb784e7d", "d3e5d8950", "e4b1986b9"], "source_commits": ["0f69bedde", "bcb784e7d", "d3e5d8950"], "source_entry_id": "17.8/changes/015", "db_id": "577989fe6b9f208495ce6a7ab6b002c6", "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a", "relations": [{"rule": 2, "type": "equivalent", "target": "1a1ca89a6f8b8a26e2fdc5c3adffee40", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}}, {"rule": 2, "type": "equivalent", "target": "24d2c263d61d870ad15e04e37b9be312", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}}, {"rule": 2, "type": "equivalent", "target": "7e9c59cfc9b17218ff9e506d4b425a25", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}}], "version": "17.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "24d2c263d61d870ad15e04e37b9be312", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fix issues around in-place catalog updates", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}, "url": "/docs/compare/?release=16.12#16.12-630512d5e807ea1f", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "1a1ca89a6f8b8a26e2fdc5c3adffee40", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Fix issues around in-place catalog updates", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}, "url": "/docs/compare/?release=15.16#15.16-f99e797aed086792", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "7e9c59cfc9b17218ff9e506d4b425a25", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fix issues around in-place catalog updates", "evidence": {"same_day": true, "patch_ids": ["1d2a4559a8d7276dbf544ec3c3139d64", "810b6ce6361bfec35a8994954d64ee9a", "eed66ab080408c0e6d006c6433746be2"], "statement_hash": "33139139d6db8add9f0014229fa4e27308c3f7fb8f4aeed7bb35cbc7df54153a"}, "url": "/docs/compare/?release=14.21#14.21-6a189e5adbc60f03", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-9171e2849738082f", "cves": [], "html": "Fix incorrect handling of incremental backups of large tables (Robert Haas, Oleg Tkachenko) §
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Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment (Rahila Syed) §
", "text": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment (Rahila Syed) §", "title": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment", "commits": ["4071fe900"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "9083f4f6522b163b1b2786ae037c69cacbae890835a8a3956a2f58bbfd79f92f", "section_path": ["Changes"], "commit_groups": [["1943ceb38", "4071fe900", "980b7c736", "9cbb1d21d", "b926ff137", "f6df78173"]], "identity_text": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment (Rahila Syed)", "commit_aliases": ["1943ceb38", "4071fe900", "980b7c736", "9cbb1d21d", "b926ff137", "f6df78173"], "source_commits": ["4071fe900"], "source_entry_id": "17.8/changes/017", "db_id": "d2811b8c558ee3336f69ce2dee648262", "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3", "relations": [{"rule": 2, "type": "equivalent", "target": "125f7282ee77b2dbf96db553539c22c4", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}}, {"rule": 2, "type": "equivalent", "target": "45af7190ae2808ef37392b8f701626cf", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}}, {"rule": 2, "type": "equivalent", "target": "5ad3db5c0edaa4934f3f9d9b4709c52d", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}}, {"rule": 2, "type": "equivalent", "target": "7be6eebc70de0b6a710a45541a4092f0", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}}], "version": "17.8", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5ad3db5c0edaa4934f3f9d9b4709c52d", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}, "url": "/docs/compare/?release=18.2#18.2-c5a2be58244ca433", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "7be6eebc70de0b6a710a45541a4092f0", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}, "url": "/docs/compare/?release=16.12#16.12-a697dba42d12b45f", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "125f7282ee77b2dbf96db553539c22c4", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}, "url": "/docs/compare/?release=15.16#15.16-4db75c5b481234d4", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "45af7190ae2808ef37392b8f701626cf", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fix potential backend process crash at process exit due to trying to release a lock in an already-unmapped shared memory segment", "evidence": {"same_day": true, "patch_ids": ["126653f8f3297278586a3928c56e06f3"], "statement_hash": "92dcd4d1c3bd738dad9644948eb1cd6efd94bdefcd3219e424732f890c0bceb3"}, "url": "/docs/compare/?release=14.21#14.21-c6d749d8181b360c", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-9e854c237f5aabf9", "cves": [], "html": "Guard against incorrect truncation of the multixact log after a crash (Heikki Linnakangas) §
", "text": "Guard against incorrect truncation of the multixact log after a crash (Heikki Linnakangas) §", "title": "Guard against incorrect truncation of the multixact log after a crash", "commits": ["d3ad4cef6"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "d15c1d0c5dc3e478fc6042712d9657566501a872a8b859a05e95e9e951f597b9", "section_path": ["Changes"], "commit_groups": [["09532a78b", "102bdaa9b", "46be454ca", "a563ac619", "c7946e6f3", "d3ad4cef6"]], "identity_text": "Guard against incorrect truncation of the multixact log after a crash (Heikki Linnakangas)", "commit_aliases": ["09532a78b", "102bdaa9b", "46be454ca", "a563ac619", "c7946e6f3", "d3ad4cef6"], "source_commits": ["d3ad4cef6"], "source_entry_id": "17.8/changes/018", "db_id": "423a226c0afa155ba2f8b3bf4d809b9b", "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad", "relations": [{"rule": 2, "type": "equivalent", "target": "06c8d0231b48925fde45dbbe5447711a", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}}, {"rule": 2, "type": "equivalent", "target": "3a7694cde691f1c0a64647d256362d79", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}}, {"rule": 2, "type": "equivalent", "target": "543d98a0d64e54acd061d5327cda0d92", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}}, {"rule": 2, "type": "equivalent", "target": "98b43daf45e235647020ad11a022bebb", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}}], "version": "17.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "3a7694cde691f1c0a64647d256362d79", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Guard against incorrect truncation of the multixact log after a crash", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}, "url": "/docs/compare/?release=18.2#18.2-8b23c352cad22240", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "543d98a0d64e54acd061d5327cda0d92", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Guard against incorrect truncation of the multixact log after a crash", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}, "url": "/docs/compare/?release=16.12#16.12-1dcc130cbed466e7", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "98b43daf45e235647020ad11a022bebb", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Guard against incorrect truncation of the multixact log after a crash", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}, "url": "/docs/compare/?release=15.16#15.16-1c33da61822d76af", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "06c8d0231b48925fde45dbbe5447711a", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Guard against incorrect truncation of the multixact log after a crash", "evidence": {"same_day": true, "patch_ids": ["67a73a4872f6b3f005ad7fe4e9077027"], "statement_hash": "dfecdaac190eb4e172c44ceae68abad6d5cc283f60c6a947351bcef843a944ad"}, "url": "/docs/compare/?release=14.21#14.21-82a8e8c00098deab", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-5b4587fee1692efc", "cves": [], "html": "Fix possibly mis-encoded result of pg_stat_get_backend_activity() (Chao Li) §
The shared-memory buffer holding a session's activity string can end with an incomplete multibyte character. Readers are supposed to truncate off any such incomplete character, but this function failed to do so.
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", "text": "Avoid rewriting data-modifying CTEs more than once (Bernice Southey, Dean Rasheed) § Formerly, when updating an auto-updatable view or a relation with rules, if the original query had any data-modifying CTEs, the rewriter would rewrite those CTEs multiple times due to recursion. This was inefficient and could produce false errors if a CTE included an update of an always-generated column.", "title": "Avoid rewriting data-modifying CTEs more than once", "commits": ["c09096503"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "6aa5c8380dc37f7c77aa85c4927b090f4c3898d30a10bef390cb8f3d602459df", "section_path": ["Changes"], "commit_groups": [["134a8ee22", "2d5b97b8c", "3881561d7", "4d288e33b", "b880d9a02", "c09096503"]], "identity_text": "Avoid rewriting data-modifying CTEs more than once (Bernice Southey, Dean Rasheed) Formerly, when updating an auto-updatable view or a relation with rules, if the original query had any data-modifying CTEs, the rewriter would rewrite those CTEs multiple times due to recursion. This was inefficient and could produce false errors if a CTE included an update of an always-generated column.", "commit_aliases": ["134a8ee22", "2d5b97b8c", "3881561d7", "4d288e33b", "b880d9a02", "c09096503"], "source_commits": ["c09096503"], "source_entry_id": "17.8/changes/023", "db_id": "f467408bfd650872bf1654f4ee4ec70d", "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb", "relations": [{"rule": 2, "type": "equivalent", "target": "6e6c8a0f6889fba17b9d4ea6308a8d7a", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}, {"rule": 2, "type": "equivalent", "target": "b1252119d1b5ac0ac5230ba9b7fb844b", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}, {"rule": 2, "type": "equivalent", "target": "c9710e1b97bbf384a5536e25246c2c1e", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}, {"rule": 2, "type": "equivalent", "target": "fa9d76713707441eef7a725233377166", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}}], "version": "17.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b1252119d1b5ac0ac5230ba9b7fb844b", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=18.2#18.2-598e6b46a303e445", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "c9710e1b97bbf384a5536e25246c2c1e", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=16.12#16.12-806ed942f9c5fd64", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "fa9d76713707441eef7a725233377166", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=15.16#15.16-fdb06078edbce9e9", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "6e6c8a0f6889fba17b9d4ea6308a8d7a", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Avoid rewriting data-modifying CTEs more than once", "evidence": {"same_day": true, "patch_ids": ["e0f79f9c321f69bef485ae997c61c414"], "statement_hash": "45d7e282599aa005c97ba4f77c0f61900b8c96a1633aa3b113857a26515155bb"}, "url": "/docs/compare/?release=14.21#14.21-7e5820de57d7faff", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-be3128d810d25a5b", "cves": [], "html": "Allow retrying initialization of a DSM registry entry (Nathan Bossart) §
\nIf we fail partway through initialization of a dynamic shared memory entry, allow the next attempt to use that entry to retry initialization. Previously the entry was left in a permanently-failed state.
", "text": "Allow retrying initialization of a DSM registry entry (Nathan Bossart) § If we fail partway through initialization of a dynamic shared memory entry, allow the next attempt to use that entry to retry initialization. Previously the entry was left in a permanently-failed state.", "title": "Allow retrying initialization of a DSM registry entry", "commits": ["2fc5c5062"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "a45a73fcc752e430671563f43425e02dfb18c096961fc057ef86a9d32b6e112e", "section_path": ["Changes"], "commit_groups": [["2fc5c5062", "b83bcc0df", "dbdc717ac"]], "identity_text": "Allow retrying initialization of a DSM registry entry (Nathan Bossart) If we fail partway through initialization of a dynamic shared memory entry, allow the next attempt to use that entry to retry initialization. Previously the entry was left in a permanently-failed state.", "commit_aliases": ["2fc5c5062", "b83bcc0df", "dbdc717ac"], "source_commits": ["2fc5c5062"], "source_entry_id": "17.8/changes/024", "db_id": "5039c49f944e0ea8e42e7eb5859d47f5", "patch_ids": ["e358cc1d91845e3da8aaed14c787dcd0"], "statement_hash": "6f8c9dfe61ba11aac117897b8a16e2c125090ad069d80ce5e2ebe812b2891a73", "relations": [{"rule": 2, "type": "equivalent", "target": "35cb139db6fcca1cb726591686762d5e", "evidence": {"same_day": true, "patch_ids": ["e358cc1d91845e3da8aaed14c787dcd0"], "statement_hash": "6f8c9dfe61ba11aac117897b8a16e2c125090ad069d80ce5e2ebe812b2891a73"}}], "version": "17.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "35cb139db6fcca1cb726591686762d5e", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Allow retrying initialization of a DSM registry entry", "evidence": {"same_day": true, "patch_ids": ["e358cc1d91845e3da8aaed14c787dcd0"], "statement_hash": "6f8c9dfe61ba11aac117897b8a16e2c125090ad069d80ce5e2ebe812b2891a73"}, "url": "/docs/compare/?release=18.2#18.2-44b11be419e13584", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}]}, {"id": "17.8-3d4d2474ea729f43", "cves": [], "html": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record (Nitin Jadhav) §
\nAdd an explicit check for this before starting recovery, so that no harm is done and a useful error message is provided. Previously, recovery might crash or corrupt the database in this situation.
", "text": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record (Nitin Jadhav) § Add an explicit check for this before starting recovery, so that no harm is done and a useful error message is provided. Previously, recovery might crash or corrupt the database in this situation.", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "commits": ["f5927da4f"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.8/#RELEASE-17-8-CHANGES", "source_hash": "41c74c2b03ccb47c4645512c9e78a23ff51eb6579a036b5dd261ff4fe87b27fc", "section_path": ["Changes"], "commit_groups": [["14161bca4", "1aa57e9ed", "68ebdf2b0", "95ef6f490", "dc7c77f82", "f5927da4f"]], "identity_text": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record (Nitin Jadhav) Add an explicit check for this before starting recovery, so that no harm is done and a useful error message is provided. Previously, recovery might crash or corrupt the database in this situation.", "commit_aliases": ["14161bca4", "1aa57e9ed", "68ebdf2b0", "95ef6f490", "dc7c77f82", "f5927da4f"], "source_commits": ["f5927da4f"], "source_entry_id": "17.8/changes/025", "db_id": "3f4035b04c1c0e9ba08acef72e76fc91", "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034", "relations": [{"rule": 2, "type": "equivalent", "target": "011195db7fe270680db938124518987b", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}, {"rule": 2, "type": "equivalent", "target": "7e009c5e3ee2635f5a3f2d6750f1a823", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}, {"rule": 2, "type": "equivalent", "target": "afebd143b96e516829ea82f80f213765", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}, {"rule": 2, "type": "equivalent", "target": "ea5f140766dc7aa68dd175c861036247", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}}], "version": "17.8", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "afebd143b96e516829ea82f80f213765", "kind": "equivalent", "version": "18.2", "label": "18.2", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=18.2#18.2-48e29718af30085d", "source_url": "/docs/release/18.2/#RELEASE-18-2-CHANGES"}, {"db_id": "7e009c5e3ee2635f5a3f2d6750f1a823", "kind": "equivalent", "version": "16.12", "label": "16.12", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=16.12#16.12-ac8c469b0c901db5", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "ea5f140766dc7aa68dd175c861036247", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=15.16#15.16-61074b4b2db3b9f8", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "011195db7fe270680db938124518987b", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Fail recovery if WAL does not exist back to the redo point indicated by the checkpoint record", "evidence": {"same_day": true, "patch_ids": ["4b87107464945d5170bed63f81ff3790"], "statement_hash": "3acaee6f8628ca0f43630afaa8799cc5ced91cfb215bf493f91ad515f4af1034"}, "url": "/docs/compare/?release=14.21#14.21-c97498907e799420", "source_url": "/docs/release/14.21/#id-1.11.6.9.6"}]}, {"id": "17.8-51768104ffbbb8b1", "cves": [], "html": "Avoid scribbling on the source query tree during ALTER PUBLICATION (Sunil S) §
This error had the visible effect that an event trigger fired for the query would see only the first publish option, even if several had been specified. If such a query were set up as a prepared statement, re-executions would misbehave too.
Pass connection options specified in CREATE SUBSCRIPTION ... CONNECTION to the publisher's walsender (Fujii Masao) §
Before this fix, the options connection option (if any) was ignored, thus for example preventing setting custom server parameter values in the walsender session. It was intended for that to work, and it did work before refactoring in PostgreSQL version 15 broke it, so restore the previous behavior.
Prevent invalidation of newly created or newly synced replication slots (Zhijie Hou) § § §
\nA race condition with a concurrent checkpoint could allow WAL to be removed that is needed by the replication slot, causing the slot to immediately get marked invalid.
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needed by the replication slot, causing the slot to immediately get marked invalid.", "commit_aliases": ["006dd4b2e", "1c60f7236", "24cce33c3", "3243c0177", "3510ebeb0", "3a98f989e", "7406df605", "851f6649c", "919c9fa13", "9649f1adf", "aae05622a", "d3ceb2084"], "source_commits": ["3243c0177", "3510ebeb0", "9649f1adf"], "source_entry_id": "17.8/changes/028", "db_id": "2e44c2dcd00ca731067ba5c1a7a9a31c", "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9", "relations": [{"rule": 2, "type": "equivalent", "target": "54b2a393bc7cb86ab19eb7c660bb2004", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}}, {"rule": 2, "type": "equivalent", "target": 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"a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}, "url": "/docs/compare/?release=16.12#16.12-2c0a03a7293625cd", "source_url": "/docs/release/16.12/#RELEASE-16-12-CHANGES"}, {"db_id": "54b2a393bc7cb86ab19eb7c660bb2004", "kind": "equivalent", "version": "15.16", "label": "15.16", "title": "Prevent invalidation of newly created or newly synced replication slots", "evidence": {"same_day": true, "patch_ids": ["52eeca007f2cc833bd086bea5398b6dd", "e27e8fc7ff675146f1b638a98637021e", "fd534fc2f99acb10d2ff04bf0f822f81"], "statement_hash": "a7634872b97f0a43a006c3dc4f9851bc65d8af6cd588b4009553b843b6ae22d9"}, "url": "/docs/compare/?release=15.16#15.16-2523a9b1b515d26f", "source_url": "/docs/release/15.16/#id-1.11.6.9.5"}, {"db_id": "d1a860dc00a9dc81973d46ece96b0748", "kind": "equivalent", "version": "14.21", "label": "14.21", "title": "Prevent invalidation of newly created or newly synced replication slots", "evidence": {"same_day": true, "patch_ids": 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\nThis could lead to the error “cannot build an initial slot snapshot as oldest safe xid follows snapshot's xmin”.
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Previously, if the copy step failed, the new pg_replication_origin entry would be lost due to transaction rollback. This led to inconsistent state in shared memory.
Don't advance logical replication progress after a parallel worker apply failure (Zhijie Hou) §
\nThe previous behavior allowed transactions to be lost by a subscriber.
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\nPreviously, timeout signals were effectively ignored.
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\nThe code could produce a “cache lookup failed for type 0” error instead of the intended complaint about the path expression not being of the right type.
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Make pg_resetwal print the updated value when changing OldestXID (Heikki Linnakangas) §
\nIt already did that for every other variable it can change.
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\nThese are valid values, so rejecting them was incorrect. In the worst case, if a pg_upgrade is attempted when exactly at the point of multixact wraparound, the upgrade would fail.
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This omission allowed table owners to create statistics in any schema, potentially leading to unexpected naming conflicts.
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Ensure that GIN index scans can be canceled (Tom Lane) §
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\nIn cases where partitions' column sets aren't physically identical to their parent partitioned tables' column sets, this oversight could lead to crashes.
", "text": "Fix incorrect logic for caching result-relation information for triggers (David Rowley, Amit Langote) § In cases where partitions' column sets aren't physically identical to their parent partitioned tables' column sets, this oversight could lead to crashes.", "title": "Fix incorrect logic for caching result-relation information for triggers", "commits": ["0d3074615"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES", "source_hash": "434f1be6dcb7023c8f1a80d2eaeaaa12832fb5b4b57963e5ab985411237d105b", "section_path": ["Changes"], "commit_groups": [["0d3074615", "2992b9a07", "39dcfda2d", "a2387c32f", "a546964db"]], "identity_text": "Fix incorrect logic for caching result-relation information for triggers (David Rowley, Amit Langote) In cases where partitions' column sets aren't physically identical to their parent partitioned tables' column sets, this oversight could lead to crashes.", "commit_aliases": ["0d3074615", "2992b9a07", "39dcfda2d", "a2387c32f", "a546964db"], "source_commits": ["0d3074615"], "source_entry_id": "17.7/changes/015", "db_id": "ba3b5897c3d85845178cb5eee8dfba01", "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef", "relations": [{"rule": 2, "type": "equivalent", "target": "13af7f30c1a66144a7c4729335ad6c55", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}}, {"rule": 2, "type": "equivalent", "target": "7ba23c07eaeb399e352fe32a704464e6", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}}, {"rule": 2, "type": "equivalent", "target": "bb7f7a3657690f7a6c75d641dcc65860", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}}], "version": "17.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "13af7f30c1a66144a7c4729335ad6c55", "kind": "equivalent", "version": "18.1", "label": "18.1", "title": "Fix incorrect logic for caching result-relation information for triggers", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}, "url": "/docs/compare/?release=18.1#18.1-fa17262588de7970", "source_url": "/docs/release/18.1/#RELEASE-18-1-CHANGES"}, {"db_id": "7ba23c07eaeb399e352fe32a704464e6", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix incorrect logic for caching result-relation information for triggers", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}, "url": "/docs/compare/?release=16.11#16.11-b434454c9c408c94", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "bb7f7a3657690f7a6c75d641dcc65860", "kind": "equivalent", "version": "15.15", "label": "15.15", "title": "Fix incorrect logic for caching result-relation information for triggers", "evidence": {"same_day": true, "patch_ids": ["aceec90d9a86d1b6d642dda660eebd6f"], "statement_hash": "026782085dea5b1090d57d834e0d4c7d0bc778a784349b74f9ef89ce84fcfaef"}, "url": "/docs/compare/?release=15.15#15.15-c8e0a3ed2fb6c04a", "source_url": "/docs/release/15.15/#id-1.11.6.10.5"}]}, {"id": "17.7-a73aaf88aa7e95b3", "cves": [], "html": "Add missing EvalPlanQual rechecks for TID Scan and TID Range Scan plan nodes (Sophie Alpert, David Rowley) § §
\nThis omission led to possibly not rechecking a condition on ctid during concurrent-update situations, causing the update's behavior to vary depending on which plan type had been selected.
Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ (Masahiko Sawada, Etsuro Fujita) §
\nIn such cases the foreign or custom access method should be invoked normally, but that did not happen, typically leading to a crash.
", "text": "Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ (Masahiko Sawada, Etsuro Fujita) § In such cases the foreign or custom access method should be invoked normally, but that did not happen, typically leading to a crash.", "title": "Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ", "commits": ["2bb84ea7e"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES", "source_hash": "c8cbd7f99c5661330597ac4d06a7f00640bfff02feb77b76238471eeeb3d912e", "section_path": ["Changes"], "commit_groups": [["12609fbac", "12b0c0e51", "24e74b962", "2bb84ea7e", "4a08603a2", "5a9af4868", "b14144325"]], "identity_text": "Fix EvalPlanQual handling of foreign or custom joins that do not have an alternative local-join plan prepared for EPQ (Masahiko Sawada, Etsuro Fujita) In such cases the foreign or custom access method 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ALTER TABLE DETACH PARTITION CONCURRENTLY was written to add a copy of the partitioning constraint to the now-detached partition. This was misguided, partially because non-concurrent DETACH doesn't do that, but mostly because in the case of hash partitioning the constraint expression contains references to the parent table's OID. That causes problems during dump/restore, or if the parent table is dropped after DETACH. In v19 and later, we'll no longer create any such copied constraints at all. In released branches, to minimize the risk of unforeseen consequences, only skip adding a copied constraint if it is for hash partitioning.
Disallow generated columns in partition keys (Jian He, Ashutosh Bapat) §
\nThis was already not allowed, but the check missed some cases, such as where the column reference is implicit in a whole-row reference.
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Previously, incorrect behavior or an obscure error message resulted from attempting to reference such a column, since generated columns have not yet been computed at the point where WHERE filtering is done.
Avoid potential use-after-free in parallel vacuum (Kevin Oommen Anish) §
\nThis bug seems to have no consequences in standard builds, but it's theoretically a hazard.
", "text": "Avoid potential use-after-free in parallel vacuum (Kevin Oommen Anish) § This bug seems to have no consequences in standard builds, but it's theoretically a hazard.", "title": "Avoid potential use-after-free in parallel vacuum", "commits": ["3549ffb6a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES", "source_hash": "45105ed687e8b3e8dad9bd2453f6f46a9b3d44b4151d536bf7c2a2a384f996ac", "section_path": ["Changes"], "commit_groups": [["3549ffb6a", "54ab74865", "76613b539"]], "identity_text": "Avoid potential use-after-free in parallel vacuum (Kevin Oommen Anish) This bug seems to have no consequences in standard builds, but it's theoretically a hazard.", "commit_aliases": ["3549ffb6a", "54ab74865", "76613b539"], "source_commits": ["3549ffb6a"], "source_entry_id": "17.7/changes/021", "db_id": "f0dbb32056abe3b3dfdd78472b7f273b", "patch_ids": ["d0dc5f67240a1a53daeb03d7af4ee34b"], "statement_hash": "e224742c5033ba7b9e4b42ddebc1f168038cd08a476019b13fb8d75e3b5bc706", "relations": [{"rule": 2, "type": "equivalent", "target": "65b586522e7240dd1f867d7850ea61db", "evidence": {"same_day": true, "patch_ids": ["d0dc5f67240a1a53daeb03d7af4ee34b"], "statement_hash": "e224742c5033ba7b9e4b42ddebc1f168038cd08a476019b13fb8d75e3b5bc706"}}], "version": "17.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "65b586522e7240dd1f867d7850ea61db", "kind": "equivalent", "version": "18.1", "label": "18.1", "title": "Avoid potential use-after-free in parallel vacuum", "evidence": {"same_day": true, "patch_ids": ["d0dc5f67240a1a53daeb03d7af4ee34b"], "statement_hash": "e224742c5033ba7b9e4b42ddebc1f168038cd08a476019b13fb8d75e3b5bc706"}, "url": "/docs/compare/?release=18.1#18.1-546fe16e34bc5978", "source_url": "/docs/release/18.1/#RELEASE-18-1-CHANGES"}]}, {"id": "17.7-542a921308709f1a", "cves": [], "html": "Fix visibility checking for statistics objects in pg_temp (Noah Misch) §
A statistics object located in a temporary schema cannot be named without schema qualification, but pg_statistics_obj_is_visible() missed that memo and could return “true” regardless. In turn, functions such as pg_describe_object() could fail to schema-qualify the object's name as expected.
Fix pg_event_trigger_dropped_objects()'s reporting of temporary status (Antoine Violin, Tom Lane) § §
If a dropped column default, trigger, or RLS policy belongs to a temporary table, report it with is_temporary true.
Fix memory leakage in hashed subplans (Haiyang Li) §
\nAny memory consumed by the hash functions used for hashing tuples constituted a query-lifespan memory leak. One way that could happen is if the values being hashed require de-toasting.
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In a long-running standby server, the hashtable holding these objects could bloat substantially, because there was no mechanism for freeing no-longer-interesting entries.
", "text": "Avoid leaking SMgrRelation objects in the startup process (Jingtang Zhang) § In a long-running standby server, the hashtable holding these objects could bloat substantially, because there was no mechanism for freeing no-longer-interesting entries.", "title": "Avoid leaking SMgrRelation objects in the startup process", "commits": ["e2dd7b2ac"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES", "source_hash": "6a5918486c429e665b86376f75c1772476ac65544cb99f01f52dbeb73b2ee7ae", "section_path": ["Changes"], "commit_groups": [["039301b3f", "8c8f7b199", "e2dd7b2ac"]], "identity_text": "Avoid leaking SMgrRelation objects in the startup process (Jingtang Zhang) In a long-running standby server, the hashtable holding these objects could bloat substantially, because there was no mechanism for freeing no-longer-interesting entries.", "commit_aliases": ["039301b3f", "8c8f7b199", "e2dd7b2ac"], "source_commits": ["e2dd7b2ac"], "source_entry_id": "17.7/changes/025", "db_id": "3c1f4e955642c64f429a9b621cc136e5", "patch_ids": ["84766f07596bed78aeca6f2f264b602b"], "statement_hash": "3a466d3b7a206eb98a2dce7ae05d285f72437df3880585c87c9e30852d8701b4", "relations": [], "version": "17.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.7-200457c819df1105", "cves": [], "html": "Fix minor memory leak during WAL replay of database creation (Nathan Bossart) §
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\nPreviously, an out-of-memory failure partway through creating a new hash table entry left a broken entry behind, potentially causing errors in other sessions later.
", "text": "Fix corruption of the shared statistics table after out-of-memory failures (Mikhail Kot) § Previously, an out-of-memory failure partway through creating a new hash table entry left a broken entry behind, potentially causing errors in other sessions later.", "title": "Fix corruption of the shared statistics table after out-of-memory failures", "commits": ["3e6dfcfb0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES", "source_hash": "302b023cab6c865dde2afabba544a3acde981cc65121ab96834532af434e8fcb", "section_path": ["Changes"], "commit_groups": [["12f57681c", "1852ec5db", "3e6dfcfb0", "8191e0c16", "f256a7bba"]], "identity_text": "Fix corruption of the shared statistics table after out-of-memory failures (Mikhail Kot) Previously, an out-of-memory failure partway through creating a new hash table entry left a broken entry behind, potentially causing errors in other sessions later.", "commit_aliases": ["12f57681c", "1852ec5db", "3e6dfcfb0", "8191e0c16", "f256a7bba"], "source_commits": ["3e6dfcfb0"], "source_entry_id": "17.7/changes/027", "db_id": "e04d248137ebff8b4925101d2d580e2f", "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315", "relations": [{"rule": 2, "type": "equivalent", "target": "e3be8eb6c685942d1ed8b0a46aef228d", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}}, {"rule": 2, "type": "equivalent", "target": "f23e41805c101675a10149bbc9f843a2", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}}], "version": "17.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "f23e41805c101675a10149bbc9f843a2", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix corruption of the shared statistics table after out-of-memory failures", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}, "url": "/docs/compare/?release=16.11#16.11-2c62d646d59219fb", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "e3be8eb6c685942d1ed8b0a46aef228d", "kind": "equivalent", "version": "15.15", "label": "15.15", "title": "Fix corruption of the shared statistics table after out-of-memory failures", "evidence": {"same_day": true, "patch_ids": ["26897e0ef72dc7a9b009d5b34ec5d2ea"], "statement_hash": "af500ba26ad0df8abfaed0a4561558ddde2bb07d3bed0254add64eb0fa812315"}, "url": "/docs/compare/?release=15.15#15.15-092c3fabcf87a792", "source_url": "/docs/release/15.15/#id-1.11.6.10.5"}]}, {"id": "17.7-7c11e4f2561b50d2", "cves": [], "html": "Fix concurrent update issue in MERGE (Yugo Nagata) §
When executing a MERGE UPDATE action, if there is more than one concurrent update of the target row, the lock-and-retry code would sometimes incorrectly identify the latest version of the target tuple, leading to incorrect results.
Add missing replica identity checks in MERGE and INSERT ... ON CONFLICT DO UPDATE (Zhijie Hou) § § §
If MERGE may require update or delete actions, and the target table publishes updates or deletes, insist that it have a REPLICA IDENTITY defined. Failing to require this can silently break replication. Likewise, INSERT with an UPDATE option must require REPLICA IDENTITY if the target table publishes either inserts or updates.
Avoid deadlock during DROP SUBSCRIPTION when publisher is on the same server as subscriber (Dilip Kumar) §
Fix incorrect reporting of replication lag in pg_stat_replication view (Fujii Masao) §
If any standby server's replay LSN stopped advancing, the write_lag and flush_lag columns would eventually stop updating.
Avoid duplicative log messages about invalid primary_slot_name settings (Fujii Masao) §
Avoid failures when synchronized_standby_slots references nonexistent replication slots (Shlok Kyal) §
Remove the unfinished slot state file after failing to write a replication slot's state to disk (Michael Paquier) §
\nPreviously, a failure such as out-of-disk-space resulted in leaving a temporary state.tmp file behind. That's problematic because it would block all subsequent attempts to write the state, requiring manual intervention to clean up.
Fix mishandling of lock timeout signals in parallel apply workers for logical replication (Hayato Kuroda) §
\nThe same signal number was being used for both worker shutdown and lock timeout, leading to confusion.
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\nDuring a timeline change, a standby server's WAL receiver should remain alive, waiting for a new WAL streaming start point. Instead it was repeatedly shutting down and immediately getting restarted, which could confuse status monitoring code.
", "text": "Avoid unwanted WAL receiver shutdown when switching from streaming to archive WAL source (Xuneng Zhou) § During a timeline change, a standby server's WAL receiver should remain alive, waiting for a new WAL streaming start point. 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Fix use-after-free issue in the relation synchronization cache maintained by the pgoutput logical decoding plugin (Vignesh C, Masahiko Sawada) §
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", "text": "Make contrib/pgstattuple more robust about empty or invalid index pages (Nitin Motiani) § Count all-zero pages as free space, and ignore pages that are invalid according to a check of the page's special-space size. The code for btree indexes already counted all-zero pages as free, but the hash and gist code would error out, which has been found to be much less user-friendly. 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Similarly, make all three cases agree on ignoring corrupted pages rather than throwing errors.", "commit_aliases": ["036decbba", "49b5f0b53", "684a745f5", "c0f9fe877", "c207bf473", "ee2dbcad0", "fc295beb7"], "source_commits": ["036decbba"], "source_entry_id": "17.7/changes/061", "db_id": "3be631a7028f49faa7a328c190d249c2", "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d", "relations": [{"rule": 2, "type": "equivalent", "target": "7cf5a3928b0125574395c382ed52c5b1", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "a6ec20ccdb529fbc57070c204bf73a7c", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "bd4e2931635023fef1578e6a6ef3185b", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "dbdca19037730dda97abc3c0ca87e248", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}, {"rule": 2, "type": "equivalent", "target": "e2d3ae73f7d42937b9fa7746740e86a5", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}}], "version": "17.7", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7cf5a3928b0125574395c382ed52c5b1", "kind": "equivalent", "version": "18.1", "label": "18.1", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=18.1#18.1-e14a404bd57c041c", "source_url": "/docs/release/18.1/#RELEASE-18-1-CHANGES"}, {"db_id": "a6ec20ccdb529fbc57070c204bf73a7c", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=16.11#16.11-4975417d9448e20f", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "e2d3ae73f7d42937b9fa7746740e86a5", "kind": "equivalent", "version": "15.15", "label": "15.15", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=15.15#15.15-dc5d3ccafec57b41", "source_url": "/docs/release/15.15/#id-1.11.6.10.5"}, {"db_id": "dbdca19037730dda97abc3c0ca87e248", "kind": "equivalent", "version": "14.20", "label": "14.20", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=14.20#14.20-c4d40eb2b10eae53", "source_url": "/docs/release/14.20/#id-1.11.6.10.5"}, {"db_id": "bd4e2931635023fef1578e6a6ef3185b", "kind": "equivalent", "version": "13.23", "label": "13.23", "title": "Make contrib/pgstattuple more robust about empty or invalid index pages", "evidence": {"same_day": true, "patch_ids": ["1ec2ccb4b684e5f57590aab9c7c2a444"], "statement_hash": "c02e1d95147e0120948e2eb5839f7964fb935bba934375858d2457ca4e09c98d"}, "url": "/docs/compare/?release=13.23#13.23-12ea4dfe533f710f", "source_url": "/docs/release/13.23/#id-1.11.6.6.6"}]}, {"id": "17.7-a358469faddcaf65", "cves": [], "html": "Harden our read and write barrier macros to satisfy Clang (Thomas Munro) §
\nWe supposed that __atomic_thread_fence() is a sufficient barrier to prevent the C compiler from re-ordering memory accesses around it, but it appears that that's not true for Clang, allowing it to generate incorrect code for at least RISC-V, MIPS, and LoongArch machines. Add explicit compiler barriers to fix that.
Fix building with LLVM version 21 and later (Holger Hoffstätte) §
", "text": "Fix building with LLVM version 21 and later (Holger Hoffstätte) §", "title": "Fix building with LLVM version 21 and later", "commits": ["755f01ad7"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.7/#RELEASE-17-7-CHANGES", "source_hash": "9935ae080e46ee28556d7b4137fbe5ceecf0fb2b01e7b1ff0ac63b36faf20ccb", "section_path": ["Changes"], "commit_groups": [["2670881af", "282d0bdee", "59d6e843e", "72a24bebc", "755f01ad7", "c11ac811a", "fbfc36e94"]], "identity_text": "Fix building with LLVM version 21 and later (Holger Hoffstätte)", "commit_aliases": ["2670881af", "282d0bdee", "59d6e843e", "72a24bebc", "755f01ad7", "c11ac811a", "fbfc36e94"], "source_commits": ["755f01ad7"], "source_entry_id": "17.7/changes/063", "db_id": "24b4031db588e6778d74612aa49172b2", "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c", "relations": [{"rule": 2, "type": "equivalent", "target": "152565dd357e9e4fcba3b2d002b2b0c7", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}, {"rule": 2, "type": "equivalent", "target": "aab0b53feda88c49c8d1c8ccdd1a6349", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}, {"rule": 2, "type": "equivalent", "target": "da5c567c128753d27a14a732c1480620", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}, {"rule": 2, "type": "equivalent", "target": "fcb8805d652dd1509e939426bac8ece8", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}}], "version": "17.7", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "aab0b53feda88c49c8d1c8ccdd1a6349", "kind": "equivalent", "version": "16.11", "label": "16.11", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=16.11#16.11-1c0eb680df6b12a9", "source_url": "/docs/release/16.11/#RELEASE-16-11-CHANGES"}, {"db_id": "da5c567c128753d27a14a732c1480620", "kind": "equivalent", "version": "15.15", "label": "15.15", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=15.15#15.15-655605b314358213", "source_url": "/docs/release/15.15/#id-1.11.6.10.5"}, {"db_id": "fcb8805d652dd1509e939426bac8ece8", "kind": "equivalent", "version": "14.20", "label": "14.20", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=14.20#14.20-78426d970b4ba2fa", "source_url": "/docs/release/14.20/#id-1.11.6.10.5"}, {"db_id": "152565dd357e9e4fcba3b2d002b2b0c7", "kind": "equivalent", "version": "13.23", "label": "13.23", "title": "Fix building with LLVM version 21 and later", "evidence": {"same_day": true, "patch_ids": ["63496bd581c70532b905b77339cefed9"], "statement_hash": "ecfa565a92ce16d10367034784e04bdc340da125574863a7c980e80e24ec746c"}, "url": "/docs/compare/?release=13.23#13.23-b3c435bdb8475244", "source_url": "/docs/release/13.23/#id-1.11.6.6.6"}]}, {"id": "17.7-a705ccb5fb05c939", "cves": [], "html": "When building with meson, apply the same special optimization flags for numeric.c and checksum.c as the makefile build does (Nathan Bossart, Jeff Davis) § §
Use -ftree-vectorize for both files, as well as -funroll-loops for checksum.c, to match what the makefiles have long done.
Fix PGXS build infrastructure to support building NLS po files for extensions (Ryo Matsumura) §
A dump/restore is not required for those running 17.X.
\nHowever, if you have any BRIN numeric_minmax_multi_ops indexes, it is advisable to reindex them after updating. See the fourth changelog entry below.
Also, if you are upgrading from a version earlier than 17.5, see Section E.7.
", "compatibility_count": 0, "label": "17.6", "status_label": "Supported", "eol": "2029-11-08", "age_days": 411, "support_days": 1136, "entries": [{"id": "17.6-235b908f6ae5f3ee", "cves": ["CVE-2017-7484", "CVE-2025-8713"], "html": "Tighten security checks in planner estimation functions (Dean Rasheed) §
\nThe fix for CVE-2017-7484, plus followup fixes, intended to prevent leaky functions from being applied to statistics data for columns that the calling user does not have permission to read. Two gaps in that protection have been found. One gap applies to partitioning and inheritance hierarchies where RLS policies on the tables should restrict access to statistics data, but did not.
\nThe other gap applies to cases where the query accesses a table via a view, and the view owner has permissions to read the underlying table but the calling user does not have permissions on the view. The view owner's permissions satisfied the security checks, and the leaky function would get applied to the underlying table's statistics before we check the calling user's permissions on the view. This has been fixed by making security checks on views occur at the start of planning. That might cause permissions failures to occur earlier than before.
\nThe PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2025-8713)
", "text": "Tighten security checks in planner estimation functions (Dean Rasheed) § The fix for CVE-2017-7484, plus followup fixes, intended to prevent leaky functions from being applied to statistics data for columns that the calling user does not have permission to read. Two gaps in that protection have been found. One gap applies to partitioning and inheritance hierarchies where RLS policies on the tables should restrict access to statistics data, but did not. The other gap applies to cases where the query accesses a table via a view, and the view owner has permissions to read the underlying table but the calling user does not have permissions on the view. The view owner's permissions satisfied the security checks, and the leaky function would get applied to the underlying table's statistics before we check the calling user's permissions on the view. This has been fixed by making security checks on views occur at the start of planning. That might cause permissions failures to occur earlier than before. The PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2025-8713)", "title": "Tighten security checks in planner estimation functions", "commits": ["a85eddab2"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "55fa416fb45c9a8a27bada8a709e7c891cbd766303bf526d1b96612675271707", "section_path": ["Changes"], "commit_groups": [["22424953c", "415badc13", "533211ded", "64f77c6a6", "7e86da539", "a85eddab2", "afe38fb6a"]], "identity_text": "Tighten security checks in planner estimation functions (Dean Rasheed) The fix for CVE-2017-7484, plus followup fixes, intended to prevent leaky functions from being applied to statistics data for columns that the calling user does not have permission to read. Two gaps in that protection have been found. One gap applies to partitioning and inheritance hierarchies where RLS policies on the tables should restrict access to statistics data, but did not. The other gap applies to cases where the query accesses a table via a view, and the view owner has permissions to read the underlying table but the calling user does not have permissions on the view. The view owner's permissions satisfied the security checks, and the leaky function would get applied to the underlying table's statistics before we check the calling user's permissions on the view. This has been fixed by making security checks on views occur at the start of planning. That might cause permissions failures to occur earlier than before. The PostgreSQL Project thanks Dean Rasheed for reporting this problem. (CVE-2025-8713)", "commit_aliases": ["22424953c", "415badc13", "533211ded", "64f77c6a6", "7e86da539", "a85eddab2", "afe38fb6a"], "source_commits": ["a85eddab2"], "source_entry_id": "17.6/changes/001", "db_id": "4008a7a7d764b0695b4f8cb5eecbc29c", "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c", "relations": [{"rule": 2, "type": "equivalent", "target": "61dc46af7f1da97de62a07c6c1063f4e", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}, {"rule": 2, "type": "equivalent", "target": "672931f9e1dc343ad721ab8a9cdda772", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}, {"rule": 2, "type": "equivalent", "target": "bc9c4792b1c85d7d0f1221cc9bbea0a3", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}, {"rule": 2, "type": "equivalent", "target": "db7e96e5834fa62952eee3d912b2a351", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}}], "version": "17.6", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "672931f9e1dc343ad721ab8a9cdda772", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=16.10#16.10-423dcb75ca30c201", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "bc9c4792b1c85d7d0f1221cc9bbea0a3", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=15.14#15.14-52cce071b03c8e4a", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "61dc46af7f1da97de62a07c6c1063f4e", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=14.19#14.19-37596904cdde57bc", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "db7e96e5834fa62952eee3d912b2a351", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Tighten security checks in planner estimation functions", "evidence": {"same_day": true, "patch_ids": ["0aa32d55e226afa9d177c29444a6c052"], "statement_hash": "b5a2c913f8e54333d177ebe317094715182eb911d0a897cf899b5caac948654c"}, "url": "/docs/compare/?release=13.22#13.22-639d2c839166c19d", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-5be27cec56fb902a", "cves": ["CVE-2025-8714"], "html": "Prevent pg_dump scripts from being used to attack the user running the restore (Nathan Bossart) §
\nSince dump/restore operations typically involve running SQL commands as superuser, the target database installation must trust the source server. However, it does not follow that the operating system user who executes psql to perform the restore should have to trust the source server. The risk here is that an attacker who has gained superuser-level control over the source server might be able to cause it to emit text that would be interpreted as psql meta-commands. That would provide shell-level access to the restoring user's own account, independently of access to the target database.
\nTo provide a positive guarantee that this can't happen, extend psql with a \\restrict command that prevents execution of further meta-commands, and teach pg_dump to issue that before any data coming from the source server.
The PostgreSQL Project thanks Martin Rakhmanov, Matthieu Denais, and RyotaK for reporting this problem. (CVE-2025-8714)
", "text": "Prevent pg_dump scripts from being used to attack the user running the restore (Nathan Bossart) § Since dump/restore operations typically involve running SQL commands as superuser, the target database installation must trust the source server. However, it does not follow that the operating system user who executes psql to perform the restore should have to trust the source server. The risk here is that an attacker who has gained superuser-level control over the source server might be able to cause it to emit text that would be interpreted as psql meta-commands. That would provide shell-level access to the restoring user's own account, independently of access to the target database. To provide a positive guarantee that this can't happen, extend psql with a \\restrict command that prevents execution of further meta-commands, and teach pg_dump to issue that before any data coming from the source server. The PostgreSQL Project thanks Martin Rakhmanov, Matthieu Denais, and RyotaK for reporting this problem. (CVE-2025-8714)", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "commits": ["575f54d4c"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "dd36fcd37e3a448e6d0a44006e3eac9083225b4a67afb9f911a272ac60a93527", "section_path": ["Changes"], "commit_groups": [["27d3dee68", "8967c33c6"], ["424040506", "575f54d4c", "67a2fbb8f", "71ea0d679", "7ad8e7909", "c204bd39f", "e4998d089"]], "identity_text": "Prevent pg_dump scripts from being used to attack the user running the restore (Nathan Bossart) Since dump/restore operations typically involve running SQL commands as superuser, the target database installation must trust the source server. However, it does not follow that the operating system user who executes psql to perform the restore should have to trust the source server. The risk here is that an attacker who has gained superuser-level control over the source server might be able to cause it to emit text that would be interpreted as psql meta-commands. That would provide shell-level access to the restoring user's own account, independently of access to the target database. To provide a positive guarantee that this can't happen, extend psql with a \\restrict command that prevents execution of further meta-commands, and teach pg_dump to issue that before any data coming from the source server. The PostgreSQL Project thanks Martin Rakhmanov, Matthieu Denais, and RyotaK for reporting this problem. (CVE-2025-8714)", "commit_aliases": ["27d3dee68", "424040506", "575f54d4c", "67a2fbb8f", "71ea0d679", "7ad8e7909", "8967c33c6", "c204bd39f", "e4998d089"], "source_commits": ["575f54d4c", "8967c33c6"], "source_entry_id": "17.6/changes/002", "db_id": "93ac3cfe25f78778dca8ff85e31817be", "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a", "relations": [{"rule": 2, "type": "equivalent", "target": "2995efbedeebcfc1ca35284729dc63ca", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}, {"rule": 2, "type": "equivalent", "target": "69c7f2c77e9261cdc8fe8d36c3769742", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}, {"rule": 2, "type": "equivalent", "target": "caaaa341c31c9018981e72d6161a2801", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}, {"rule": 2, "type": "equivalent", "target": "dc692223d4e4409943580a9615f51575", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}}], "version": "17.6", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "69c7f2c77e9261cdc8fe8d36c3769742", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=16.10#16.10-631fe2b5cc95bf19", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "dc692223d4e4409943580a9615f51575", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=15.14#15.14-792ea6321c8a946b", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "2995efbedeebcfc1ca35284729dc63ca", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=14.19#14.19-7d06a1d1ebfb29d7", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "caaaa341c31c9018981e72d6161a2801", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Prevent pg_dump scripts from being used to attack the user running the restore", "evidence": {"same_day": true, "patch_ids": ["a88fbc1d59a5e722f1cb99fc8acd42be", "c340e675e09ada8e08edff5a1a3a3ae8"], "statement_hash": "0b4e588c95eb5bd3d79fce471c6627a69abf65eb71c549b5ef14a7a91adbcc3a"}, "url": "/docs/compare/?release=13.22#13.22-2c8737193994e3d6", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-85269ca5c1610b49", "cves": ["CVE-2012-0868", "CVE-2025-8715"], "html": "Convert newlines to spaces in names included in comments in pg_dump output (Noah Misch) §
\nObject names containing newlines offered the ability to inject arbitrary SQL commands into the output script. (Without the preceding fix, injection of psql meta-commands would also be possible this way.) CVE-2012-0868 fixed this class of problem at the time, but later work reintroduced several cases.
\nThe PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2025-8715)
", "text": "Convert newlines to spaces in names included in comments in pg_dump output (Noah Misch) § Object names containing newlines offered the ability to inject arbitrary SQL commands into the output script. (Without the preceding fix, injection of psql meta-commands would also be possible this way.) CVE-2012-0868 fixed this class of problem at the time, but later work reintroduced several cases. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2025-8715)", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "commits": ["9b92f115b"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "30ce83050e3aff1c62a9b3ad07e337356fd12d817f163759663e36e224930764", "section_path": ["Changes"], "commit_groups": [["0f5838438", "13a67ce60", "2179e6005", "70693c645", "850caae60", "9751f934a", "9b92f115b"]], "identity_text": "Convert newlines to spaces in names included in comments in pg_dump output (Noah Misch) Object names containing newlines offered the ability to inject arbitrary SQL commands into the output script. (Without the preceding fix, injection of psql meta-commands would also be possible this way.) CVE-2012-0868 fixed this class of problem at the time, but later work reintroduced several cases. The PostgreSQL Project thanks Noah Misch for reporting this problem. (CVE-2025-8715)", "commit_aliases": ["0f5838438", "13a67ce60", "2179e6005", "70693c645", "850caae60", "9751f934a", "9b92f115b"], "source_commits": ["9b92f115b"], "source_entry_id": "17.6/changes/003", "db_id": "38111ed952ef48e4da5272e7c83e8a05", "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258", "relations": [{"rule": 2, "type": "equivalent", "target": "37108a0558c6e7099facfb4c06a2343a", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}, {"rule": 2, "type": "equivalent", "target": "88e2718dcf7026885e58101ad68ad92b", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}, {"rule": 2, "type": "equivalent", "target": "e4409746da14b6ce48dbfc4198028b20", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}, {"rule": 2, "type": "equivalent", "target": "f51ac36aaada0528abd65e283dc38a35", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}}], "version": "17.6", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "f51ac36aaada0528abd65e283dc38a35", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=16.10#16.10-af4d8aac9b4f8e26", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "37108a0558c6e7099facfb4c06a2343a", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=15.14#15.14-f808465a0b3d99e8", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "e4409746da14b6ce48dbfc4198028b20", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=14.19#14.19-fb4152603ed81a9f", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "88e2718dcf7026885e58101ad68ad92b", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Convert newlines to spaces in names included in comments in pg_dump output", "evidence": {"same_day": true, "patch_ids": ["c339acab7d9b8e62f0a32c0c18b2d7e4"], "statement_hash": "cb5a9cc437857a0caf2a82b5b88270031dd431a721fdd8641324b7e28d509258"}, "url": "/docs/compare/?release=13.22#13.22-a726243ec1d439af", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-6264c438a439df10", "cves": [], "html": "Fix incorrect distance calculation in BRIN numeric_minmax_multi_ops support function (Peter Eisentraut, Tom Lane) §
The results were sometimes wrong on 64-bit platforms, and wildly wrong on 32-bit platforms. This did not produce obvious failures because the logic is only used to choose how to merge values into ranges; at worst the index would become inefficient and bloated. Nonetheless it's recommended to reindex any BRIN indexes that use the numeric_minmax_multi_ops operator class.
Avoid regression in the size of XML input that we will accept (Michael Paquier, Erik Wienhold) § §
\nOur workaround for a bug in early 2.13.x releases of libxml2 made use of a code path that rejects text chunks exceeding 10MB, whereas the previous coding did not. Those early releases are presumably extinct in the wild by now, so revert to the previous coding.
", "text": "Avoid regression in the size of XML input that we will accept (Michael Paquier, Erik Wienhold) § § Our workaround for a bug in early 2.13.x releases of libxml2 made use of a code path that rejects text chunks exceeding 10MB, whereas the previous coding did not. Those early releases are presumably extinct in the wild by now, so revert to the previous coding.", "title": "Avoid regression in the size of XML input that we will accept", "commits": ["7571e0f6e", "fd4ad33fe"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "c0f561d53ca09a151d56704186a4c18e13b29c130cce8a83f0f73facff8f984b", "section_path": ["Changes"], "commit_groups": [["0395464af", "0ffbd345e", "589d6e640", "637ead2e1", "6d5e493b4", "71c0921b6", "fd4ad33fe"], ["0928e18eb", "0ae824704", "7571e0f6e", "762c6d8d2", "902f92221", "cdcdabce5", "d5f014d89"]], "identity_text": "Avoid regression in the size of XML input that we will accept (Michael Paquier, Erik Wienhold) Our workaround for a bug in early 2.13.x releases of libxml2 made use of a code path that rejects text chunks exceeding 10MB, whereas the previous coding did not. Those early releases are presumably extinct in the wild by now, so revert to the previous coding.", "commit_aliases": ["0395464af", "0928e18eb", "0ae824704", "0ffbd345e", "589d6e640", "637ead2e1", "6d5e493b4", "71c0921b6", "7571e0f6e", "762c6d8d2", "902f92221", "cdcdabce5", "d5f014d89", "fd4ad33fe"], "source_commits": ["7571e0f6e", "fd4ad33fe"], "source_entry_id": "17.6/changes/005", "db_id": "bb2bd06d13098be6d2f716fc39bcebc1", "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313", "relations": [{"rule": 2, "type": "equivalent", "target": "0ee6aeae8fc928ce374749037900ae26", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}, {"rule": 2, "type": "equivalent", "target": "1fde207d731da78f7ffa4b41ed55d84f", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}, {"rule": 2, "type": "equivalent", "target": "6f0df2f7f9eaa8699c25d67daabf9b0f", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}, {"rule": 2, "type": "equivalent", "target": "f0095d007a81a7cca2bd060e2fed3b13", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "f0095d007a81a7cca2bd060e2fed3b13", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=16.10#16.10-e13cec0f22d647d2", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "6f0df2f7f9eaa8699c25d67daabf9b0f", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=15.14#15.14-e693a8762746a5b1", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "0ee6aeae8fc928ce374749037900ae26", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=14.19#14.19-43d78edde7b0cec8", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "1fde207d731da78f7ffa4b41ed55d84f", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid regression in the size of XML input that we will accept", "evidence": {"same_day": true, "patch_ids": ["98252c90081e7e17af8a98af7237304d", "b287e22af912cdfb881024a69141d1d3"], "statement_hash": "df5a0eec4afc3cc17d7aae1477466e175f12a4b7662a499e03744c30e76fc313"}, "url": "/docs/compare/?release=13.22#13.22-66f9371c0bdfa68c", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-7898d9ffd2ac5df8", "cves": [], "html": "Fix MERGE problems with concurrent updates (Dean Rasheed) §
If a MERGE inside a CTE attempts an update or delete on a table with BEFORE ROW triggers, and a concurrent UPDATE or DELETE changes the target row, the MERGE command would fail (crashing in the case of an update action, and potentially executing the wrong action in the case of a delete action).
Fix MERGE into a plain-inheritance parent table (Dean Rasheed) §
Insertions into such a target table could crash or produce incorrect query results due to failing to handle WITH CHECK OPTION and RETURNING actions.
Allow tables with statement-level triggers to become partitions or inheritance children (Etsuro Fujita) §
\nWe do not allow partitions or inheritance child tables to have row-level triggers with transition tables, because an operation on the whole inheritance tree would need to maintain a separate transition table for each such child table. But that problem does not apply for statement-level triggers, because only the parent's statement-level triggers will be fired. The code that checks whether an existing table can become a partition or inheritance child nonetheless rejected both kinds of trigger.
", "text": "Allow tables with statement-level triggers to become partitions or inheritance children (Etsuro Fujita) § We do not allow partitions or inheritance child tables to have row-level triggers with transition tables, because an operation on the whole inheritance tree would need to maintain a separate transition table for each such child table. But that problem does not apply for statement-level triggers, because only the parent's statement-level triggers will be fired. The code that checks whether an existing table can become a partition or inheritance child nonetheless rejected both kinds of trigger.", "title": "Allow tables with statement-level triggers to become partitions or inheritance children", "commits": ["e028ce911"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "5f8cff097160a3bad450b89036e5b4b28f4886c628d67069060758bbcb8d3721", "section_path": ["Changes"], "commit_groups": [["3863c6fb6", "73eb6afa1", "9e63f83a7", "afdb4cde1", "bba6a6faf", "e028ce911", "f39a7f32a"]], "identity_text": "Allow tables with statement-level triggers to become partitions or inheritance children (Etsuro Fujita) We do not allow partitions or inheritance child tables to have row-level triggers with transition tables, because an operation on the whole inheritance tree would need to maintain a separate transition table for each such child table. But that problem does not apply for statement-level triggers, because only the parent's statement-level triggers will be fired. 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", "text": "Disallow collecting transition tuples from child foreign tables (Etsuro Fujita) § We do not support triggers with transition tables on foreign tables. However, the case of a partition or inheritance child that is a foreign table was overlooked. If the parent has such a trigger, incorrect transition tuples were collected from the foreign child. Instead throw an error, reporting that the case is not supported.", "title": "Disallow collecting transition tuples from child foreign tables", "commits": ["9048a83c7"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "1f985f841006f545e464cd2c36387c101195a06fc650be75a9c26b7d1d594c7c", "section_path": ["Changes"], "commit_groups": [["62a1211d3", "9048a83c7", "9cca445df", "b6641f7b0", "ce8817022", "d642d2306", "e94fc1a8a"]], "identity_text": "Disallow collecting transition tuples from child foreign tables (Etsuro Fujita) We do not support triggers with transition tables on foreign tables. However, the case of a partition or inheritance child that is a foreign table was overlooked. If the parent has such a trigger, incorrect transition tuples were collected from the foreign child. Instead throw an error, reporting that the case is not supported.", "commit_aliases": ["62a1211d3", "9048a83c7", "9cca445df", "b6641f7b0", "ce8817022", "d642d2306", "e94fc1a8a"], "source_commits": ["9048a83c7"], "source_entry_id": "17.6/changes/009", "db_id": "a92bdec02c5cc11013deebd80c74b0eb", "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63", "relations": [{"rule": 2, "type": "equivalent", "target": "2979e7070342fffc5ad3b796f44b4bc6", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}, {"rule": 2, "type": "equivalent", "target": "a1e77a42db5570cb12c20d1010246a22", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}, {"rule": 2, "type": "equivalent", "target": "ab769326d638153e0ea7ef5f3a2dcb49", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}, {"rule": 2, "type": "equivalent", "target": "d139e318081b10609507f4cac88f0f8a", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "ab769326d638153e0ea7ef5f3a2dcb49", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=16.10#16.10-17bba33bfae8d9d4", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "a1e77a42db5570cb12c20d1010246a22", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=15.14#15.14-f019be1c276e12ad", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "d139e318081b10609507f4cac88f0f8a", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=14.19#14.19-1ab1051a32528a44", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "2979e7070342fffc5ad3b796f44b4bc6", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Disallow collecting transition tuples from child foreign tables", "evidence": {"same_day": true, "patch_ids": ["5a0b704f17af1d8b1003c9b05f2986c2"], "statement_hash": "656e8175e4a93a3a0588bc41f2185d223eea6d7b2a2104d8226412e279416f63"}, "url": "/docs/compare/?release=13.22#13.22-81ac4c617cec1e50", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-af53d5f6a485d2ec", "cves": [], "html": "Allow resetting unknown custom parameters with reserved prefixes (Nathan Bossart) §
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Fix a potential deadlock during ALTER SUBSCRIPTION ... DROP PUBLICATION (Ajin Cherian) §
Ensure that server processes acquire catalog locks in a consistent order during replication origin drops.
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\nWhen choosing an auto-generated name for an index, avoid conflicting with not-yet-committed pg_class rows as well as fully-valid ones. This avoids possibly choosing the same name as some concurrent CREATE INDEX did, when that command is still in process of filling its index, or is done but is part of a not-yet-committed transaction. There's still a window for trouble, but it's only as long as the time needed to validate a new index's parameters and insert its pg_class row.
Prevent usage of incorrect VACUUM options in some cases where multiple tables are vacuumed in a single command (Nathan Bossart, Michael Paquier) §
The TRUNCATE and INDEX_CLEANUP options of one table could be applied to others.
Ensure that the table's free-space map is updated in a timely way when vacuuming a table that has no indexes (Masahiko Sawada) §
\nA previous optimization caused FSM vacuuming to sometimes be skipped for such tables.
", "text": "Ensure that the table's free-space map is updated in a timely way when vacuuming a table that has no indexes (Masahiko Sawada) § A previous optimization caused FSM vacuuming to sometimes be skipped for such tables.", "title": "Ensure that the table's free-space map is updated in a timely way when vacuuming a table that has no indexes", "commits": ["792238c8b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "067d4b65b917ba12ad9dd12a4b27c5b6dfda4e9011822d240c51d726f670a35f", "section_path": ["Changes"], "commit_groups": [["3811ca360", "792238c8b", "7c6ededac"]], "identity_text": "Ensure that the table's free-space map is updated in a timely way when vacuuming a table that has no indexes (Masahiko Sawada) A previous optimization caused FSM vacuuming to sometimes be skipped for such tables.", "commit_aliases": ["3811ca360", "792238c8b", "7c6ededac"], "source_commits": ["792238c8b"], "source_entry_id": "17.6/changes/014", "db_id": "208b51b013b261d7c941e50bdfdd5399", "patch_ids": ["2898fd9eedaa08c9dd21335e7e065b8a"], "statement_hash": "b4f70551b2a0be0dbbef80a1e994056d3d171913ad0448ff4a6224b2aa30e34e", "relations": [], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.6-483f40f2905262cc", "cves": [], "html": "Fix processing of character classes within SIMILAR TO regular expressions (Laurenz Albe) § §
The code that translates SIMILAR TO pattern matching expressions to POSIX-style regular expressions did not consider that square brackets can be nested. For example, in a pattern like [[:alpha:]%_], the code treated the % and _ characters as metacharacters when they should be literals.
When deparsing queries, always add parentheses around the expression in FETCH FIRST clauses (Heikki Linnakangas) § §expression ROWS WITH TIES
This avoids some cases where the deparsed result wasn't syntactically valid.
", "text": "When deparsing queries, always add parentheses around the expression in FETCH FIRST expression ROWS WITH TIES clauses (Heikki Linnakangas) § § This avoids some cases where the deparsed result wasn't syntactically valid.", "title": "When deparsing queries, always add parentheses around the expression in FETCH FIRST expression ROWS WITH TIES clauses", "commits": ["54c05292b", "a4da7b0cf"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "e7621f8bcd9f45e102c1cc7c4514efcf9aef26cffea5af393b8dab8ba99af779", "section_path": ["Changes"], "commit_groups": [["0420b24fe", "29f7ce6fe", "54c05292b", "72fe74ca5", "7ee00918f", "92a9ba3b9"], ["558ea446a", "a4da7b0cf", "cbf53e2b8"]], "identity_text": "When deparsing queries, always add parentheses around the expression in FETCH FIRST expression ROWS WITH TIES clauses (Heikki Linnakangas) This avoids some cases where the deparsed result wasn't syntactically valid.", 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"17.6-8c460f992a0ce3be", "cves": [], "html": "Limit the checkpointer process's fsync request queue size (Alexander Korotkov, Xuneng Zhou) § §
\nWith very large shared_buffers settings, it was possible for the checkpointer to attempt to allocate more than 1GB for fsync requests, leading to failure and an infinite loop. Clamp the queue size to prevent this scenario.
Avoid infinite wait in logical decoding when reading a partially-written WAL record (Vignesh C) §
\nIf the server crashes after writing the first part of a WAL record that would span multiple pages, subsequent logical decoding of the WAL stream would wait for data to arrive on the next WAL page. That might never happen if the server is now idle.
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This resulted in different wait-event names being displayed in pg_wait_events and pg_stat_activity, potentially breaking monitoring queries that join those views.
Fix inconsistent quoting of role names in ACL strings (Tom Lane) §
\nThe previous quoting rule was locale-sensitive, which could lead to portability problems when transferring aclitem values across installations. (pg_dump does not do that, but other tools might.) To ensure consistency, always quote non-ASCII characters in aclitem output; but to preserve backward compatibility, never require that they be quoted during aclitem input.
Reject equal signs (=) in the names of relation options and foreign-data options (Tom Lane) §
There's no evident use-case for option names like this, and allowing them creates ambiguity in the stored representation.
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\nThis error seems to manifest only with not-very-compressible input data, which may explain why it escaped detection.
", "text": "Fix potentially-incorrect decompression of LZ4-compressed archive data (Mikhail Gribkov) § This error seems to manifest only with not-very-compressible input data, which may explain why it escaped detection.", "title": "Fix potentially-incorrect decompression of LZ4-compressed archive data", "commits": ["074003431"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "6a4bcfe216153f5b0afb910317286be5f6c187f7c390093ebee9da218612eb59", "section_path": ["Changes"], "commit_groups": [["074003431", "3369a3b49", "5c639523f", "d09d13793", "d44efe87e"]], "identity_text": "Fix potentially-incorrect decompression of LZ4-compressed archive data (Mikhail Gribkov) This error seems to manifest only with not-very-compressible input data, which may explain why it escaped detection.", "commit_aliases": ["074003431", "3369a3b49", "5c639523f", "d09d13793", "d44efe87e"], "source_commits": ["074003431"], "source_entry_id": "17.6/changes/022", "db_id": "b302ecfbe05e1aba6c03f7aba1e86c6d", "patch_ids": ["775da154647809dc3f3016f20f0b14f2"], "statement_hash": "c6a44e7cb11bf105bc2b48549a2b4be62507a216f2eb446de5c8984cb409b506", "relations": [{"rule": 2, "type": "equivalent", "target": "5e0259fead17b9b318a6394d1f6aaf19", "evidence": {"same_day": true, "patch_ids": ["775da154647809dc3f3016f20f0b14f2"], "statement_hash": "c6a44e7cb11bf105bc2b48549a2b4be62507a216f2eb446de5c8984cb409b506"}}, {"rule": 2, "type": "equivalent", "target": "c8eb9f79e015cec39d5f6201f588738f", "evidence": {"same_day": true, "patch_ids": ["775da154647809dc3f3016f20f0b14f2"], "statement_hash": "c6a44e7cb11bf105bc2b48549a2b4be62507a216f2eb446de5c8984cb409b506"}}], "version": "17.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "5e0259fead17b9b318a6394d1f6aaf19", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Fix potentially-incorrect decompression of LZ4-compressed archive data", "evidence": {"same_day": true, "patch_ids": ["775da154647809dc3f3016f20f0b14f2"], "statement_hash": "c6a44e7cb11bf105bc2b48549a2b4be62507a216f2eb446de5c8984cb409b506"}, "url": "/docs/compare/?release=16.10#16.10-8ec1446fffeb5fd7", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "c8eb9f79e015cec39d5f6201f588738f", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Fix potentially-incorrect decompression of LZ4-compressed archive data", "evidence": {"same_day": true, "patch_ids": ["775da154647809dc3f3016f20f0b14f2"], "statement_hash": "c6a44e7cb11bf105bc2b48549a2b4be62507a216f2eb446de5c8984cb409b506"}, "url": "/docs/compare/?release=15.14#15.14-e8a24372b6b9ae7e", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}]}, {"id": "17.6-5825acdc2554d8ce", "cves": [], "html": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead (Peter Geoghegan) §
", "text": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead (Peter Geoghegan) §", "title": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead", "commits": ["40aa5ddea"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "2ec40d2e57a4c2b1d17136e72506068448af5306563849b527088e344d8a04e7", "section_path": ["Changes"], "commit_groups": [["38c8d2987", "40aa5ddea", "7c319f549", "7c7c0a77d", "c7f25feb3", "d2ec67109"]], "identity_text": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead (Peter Geoghegan)", "commit_aliases": ["38c8d2987", "40aa5ddea", "7c319f549", "7c7c0a77d", "c7f25feb3", "d2ec67109"], "source_commits": ["40aa5ddea"], "source_entry_id": "17.6/changes/023", "db_id": "2896a1f0aa2fe4a744169742b2559dcd", "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6", "relations": [{"rule": 2, "type": "equivalent", "target": "13ed0887bc8dac0823c64554459a581c", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}}, {"rule": 2, "type": "equivalent", "target": "19b1fbc49c15351ae0829b195564baa0", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}}, {"rule": 2, "type": "equivalent", "target": "3c09bd63d8e7c6a637ad01ffa6b1f882", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}}, {"rule": 2, "type": "equivalent", "target": "7907917b0e9fc70fa54857b3dd5f0789", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "13ed0887bc8dac0823c64554459a581c", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}, "url": "/docs/compare/?release=16.10#16.10-2b08a4614d13a7a4", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "19b1fbc49c15351ae0829b195564baa0", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}, "url": "/docs/compare/?release=15.14#15.14-3522682a6e13212e", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "3c09bd63d8e7c6a637ad01ffa6b1f882", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}, "url": "/docs/compare/?release=14.19#14.19-e337667a91002083", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "7907917b0e9fc70fa54857b3dd5f0789", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid a rare scenario where a btree index scan could mark the wrong index entries as dead", "evidence": {"same_day": true, "patch_ids": ["aad96c72a59beb69e1860513caa21d9f"], "statement_hash": "d899960974f459230ac3f3091253ae0f247bae81693df68cda29e10707290ad6"}, "url": "/docs/compare/?release=13.22#13.22-b6601ad2fa69571a", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-6c93c6ab7dac53db", "cves": [], "html": "Avoid re-distributing cache invalidation messages from other transactions during logical replication (vignesh C) §
\nOur previous round of minor releases included a bug fix to ensure that replication receiver processes would respond to cross-process cache invalidation messages, preventing them from using stale catalog data while performing replication updates. However, the fix unintentionally made them also redistribute those messages again, leading to an exponential increase in the number of invalidation messages, which would often end in a memory allocation failure. Fix by not redistributing received messages.
", "text": "Avoid re-distributing cache invalidation messages from other transactions during logical replication (vignesh C) § Our previous round of minor releases included a bug fix to ensure that replication receiver processes would respond to cross-process cache invalidation messages, preventing them from using stale catalog data while performing replication updates. However, the fix unintentionally made them also redistribute those messages again, leading to an exponential increase in the number of invalidation messages, which would often end in a memory allocation failure. Fix by not redistributing received messages.", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "commits": ["45c357e0e"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "218fc52d2bc0a41a7b3cd4e8bda48dfd17369e2a7bd3b3203b106ad3bbd13856", "section_path": ["Changes"], "commit_groups": [["1230be12f", "45c357e0e", "983b36362", "b2ae07720", "d87d07b7a", "fc0fb77c5"], ["87819f766"]], "identity_text": "Avoid re-distributing cache invalidation messages from other transactions during logical replication (vignesh C) Our previous round of minor releases included a bug fix to ensure that replication receiver processes would respond to cross-process cache invalidation messages, preventing them from using stale catalog data while performing replication updates. However, the fix unintentionally made them also redistribute those messages again, leading to an exponential increase in the number of invalidation messages, which would often end in a memory allocation failure. Fix by not redistributing received messages.", "commit_aliases": ["1230be12f", "45c357e0e", "87819f766", "983b36362", "b2ae07720", "d87d07b7a", "fc0fb77c5"], "source_commits": ["45c357e0e", "87819f766"], "source_entry_id": "17.6/changes/024", "db_id": "4eaa52c036c883f61e659c01b52fb190", "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d", "relations": [{"rule": 2, "type": "equivalent", "target": "1b42275facb138dcb392f27b6e27f9a4", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}, {"rule": 2, "type": "equivalent", "target": "a9cc9dab0228660da06096fd68f433f3", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}, {"rule": 2, "type": "equivalent", "target": "b3009aa88c3ced8a05c6dba715705c19", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}, {"rule": 2, "type": "equivalent", "target": "c21a911113d9e87b49c45518f22a2dfc", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b3009aa88c3ced8a05c6dba715705c19", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=16.10#16.10-06d7a3fbd837850b", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "c21a911113d9e87b49c45518f22a2dfc", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=15.14#15.14-5bd091c51ca86d9b", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "1b42275facb138dcb392f27b6e27f9a4", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=14.19#14.19-92960400d06a6cb9", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "a9cc9dab0228660da06096fd68f433f3", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid re-distributing cache invalidation messages from other transactions during logical replication", "evidence": {"same_day": true, "patch_ids": ["44892eb4edae7c935ca996ba7215a3be", "9144d1cc1257f28763bbe94a44dcec67"], "statement_hash": "cb76142d5aa80484a475a98632d6f3282d96cb8992669eaaed5c92b24c4f534d"}, "url": "/docs/compare/?release=13.22#13.22-3fd682e6d8f36911", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-5ba94aab21c53164", "cves": [], "html": "Avoid unexpected server shutdown when replication slot synchronization is misconfigured (Fujii Masao) §
\nThe postmaster process would report an error (and then stop) if sync_replication_slots was set to true while wal_level was less than logical. The desired behavior is just that slot synchronization should be disabled, so reduce this error message's level to avoid postmaster shutdown.
Avoid premature removal of old WAL during checkpoints (Vitaly Davydov) §
\nIf a replication slot's restart point is advanced while a checkpoint is in progress, no-longer-needed WAL segments could get removed too soon, leading to recovery failure if the database crashes immediately afterwards. Fix by keeping them for one additional checkpoint cycle.
", "text": "Avoid premature removal of old WAL during checkpoints (Vitaly Davydov) § If a replication slot's restart point is advanced while a checkpoint is in progress, no-longer-needed WAL segments could get removed too soon, leading to recovery failure if the database crashes immediately afterwards. Fix by keeping them for one additional checkpoint cycle.", "title": "Avoid premature removal of old WAL during checkpoints", "commits": ["2090edc6f"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "862afb461e7b25af2502cb6ac2fddb9e304f4a3f37e3fdd92f1a8161a9dcaf0b", "section_path": ["Changes"], "commit_groups": [["2090edc6f", "cea8f2c3e", "dd3df0b85", "dd9bc1a17", "e2832bd96"]], "identity_text": "Avoid premature removal of old WAL during checkpoints (Vitaly Davydov) If a replication slot's restart point is advanced while a checkpoint is in progress, no-longer-needed WAL segments could get removed too soon, leading to recovery failure if the database crashes immediately afterwards. Fix by keeping them for one additional checkpoint cycle.", "commit_aliases": ["2090edc6f", "cea8f2c3e", "dd3df0b85", "dd9bc1a17", "e2832bd96"], "source_commits": ["2090edc6f"], "source_entry_id": "17.6/changes/026", "db_id": "157e22a9e0303f40144c7595100b1787", "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857", "relations": [{"rule": 2, "type": "equivalent", "target": "0b434eea45e0fa732c2e0f652d15f416", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}, {"rule": 2, "type": "equivalent", "target": "6b7844a84a190d055371db21611e225a", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}, {"rule": 2, "type": "equivalent", "target": "991bdbb446e54520c74d7fbfcb5eb2d5", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}, {"rule": 2, "type": "equivalent", "target": "9cd299656d523ad883dc82d378ca2484", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0b434eea45e0fa732c2e0f652d15f416", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=16.10#16.10-edf48c160da14a41", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "9cd299656d523ad883dc82d378ca2484", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=15.14#15.14-9ae4261d1b4c369c", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "991bdbb446e54520c74d7fbfcb5eb2d5", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=14.19#14.19-a002cd37807a3acb", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "6b7844a84a190d055371db21611e225a", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Avoid premature removal of old WAL during checkpoints", "evidence": {"same_day": true, "patch_ids": ["0b3f1a7eb4fd7ec82c605bba05f1ed04"], "statement_hash": "f9ccd6fcb293b2899cd65dbde83e990bd6cdb466fe17d70177c6d3a300702857"}, "url": "/docs/compare/?release=13.22#13.22-fc131f2ed494a6e9", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-1b410e48287bb276", "cves": [], "html": "Never move a replication slot's confirmed-flush position backwards (Shveta Malik) §
\nIn some cases a replication client could acknowledge an LSN that's past what it has stored persistently, and then perhaps send an older LSN after a restart. We consider this not-a-bug so long as the client did not have anything it needed to do for the WAL between the two points. However, we should not re-send that WAL for fear of data duplication, so make sure we always believe the latest confirmed LSN for a given slot.
", "text": "Never move a replication slot's confirmed-flush position backwards (Shveta Malik) § In some cases a replication client could acknowledge an LSN that's past what it has stored persistently, and then perhaps send an older LSN after a restart. We consider this not-a-bug so long as the client did not have anything it needed to do for the WAL between the two points. However, we should not re-send that WAL for fear of data duplication, so make sure we always believe the latest confirmed LSN for a given slot.", "title": "Never move a replication slot's confirmed-flush position backwards", "commits": ["7318f241d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "770d917febfe336cd9763b107e31e6c956054685e12d5b155c74bbdacf04b7e1", "section_path": ["Changes"], "commit_groups": [["7318f241d", "9d1a62359", "ad5eaf390", "c0f51fde5", "e323d9df0", "e68459489"]], "identity_text": "Never move a replication slot's confirmed-flush position backwards (Shveta Malik) In some cases a replication client could acknowledge an LSN that's past what it has stored persistently, and then perhaps send an older LSN after a restart. We consider this not-a-bug so long as the client did not have anything it needed to do for the WAL between the two points. However, we should not re-send that WAL for fear of data duplication, so make sure we always believe the latest confirmed LSN for a given slot.", "commit_aliases": ["7318f241d", "9d1a62359", "ad5eaf390", "c0f51fde5", "e323d9df0", "e68459489"], "source_commits": ["7318f241d"], "source_entry_id": "17.6/changes/027", "db_id": "c47cce13b2327ae5b79682de3bf86211", "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8", "relations": [{"rule": 2, "type": "equivalent", "target": "302bc1e6fedc523897672d05dfe14569", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}, {"rule": 2, "type": "equivalent", "target": "543c80aec11057987c705aefac252ccb", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}, {"rule": 2, "type": "equivalent", "target": "6d9a892128e3245f9c561bcf03f2d17d", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}, {"rule": 2, "type": "equivalent", "target": "a5a72dc4b4696a8ef2999104a04f52ef", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "302bc1e6fedc523897672d05dfe14569", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=16.10#16.10-a10640250c82eb91", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "a5a72dc4b4696a8ef2999104a04f52ef", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=15.14#15.14-948c6fd636c15705", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "6d9a892128e3245f9c561bcf03f2d17d", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=14.19#14.19-ab4b5ab8772355f3", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "543c80aec11057987c705aefac252ccb", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Never move a replication slot's confirmed-flush position backwards", "evidence": {"same_day": true, "patch_ids": ["2de9aabd4b6d806cb09f97233c42d8b9"], "statement_hash": "5099a5e2a539f415dfef4d115b189733d47e78c23e785a29b6426dcc967cc5e8"}, "url": "/docs/compare/?release=13.22#13.22-8712d41c8b7aa917", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-45175aa7d7cebbbf", "cves": [], "html": "Prevent excessive delays before launching new logical replication workers (Tom Lane) §
\nIn some cases the logical replication launcher could sleep considerably longer than the configured wal_retrieve_retry_interval before launching a new worker.
Fix use-after-free during logical replication of INSERT ... ON CONFLICT (Ethan Mertz, Michael Paquier) §
This could result in incorrect progress reporting, or with very bad luck it could result in a crash of the WAL sender process.
", "text": "Fix use-after-free during logical replication of INSERT ... ON CONFLICT (Ethan Mertz, Michael Paquier) § This could result in incorrect progress reporting, or with very bad luck it could result in a crash of the WAL sender process.", "title": "Fix use-after-free during logical replication of INSERT ... ON CONFLICT", "commits": ["9e0b4b1ab"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "13bd2330a436c1b6f7ba22cb1acb92cbfce4a2472b07278b176587befa419177", "section_path": ["Changes"], "commit_groups": [["11de339aa", "3b3fa9490", "9e0b4b1ab", "ec96e8812"]], "identity_text": "Fix use-after-free during logical replication of INSERT ... ON CONFLICT (Ethan Mertz, Michael Paquier) This could result in incorrect progress reporting, or with very bad luck it could result in a crash of the WAL sender process.", "commit_aliases": ["11de339aa", "3b3fa9490", "9e0b4b1ab", "ec96e8812"], "source_commits": ["9e0b4b1ab"], "source_entry_id": "17.6/changes/029", "db_id": "d5d9004e76f7535b6d0336d4e60ba244", "patch_ids": ["77bfa12a4c07686f775586c1330d7401"], "statement_hash": "c99216e19f1bf2d79c8fee8f6461e1fdbb29f1be3b32b7103d55f4593271eccb", "relations": [{"rule": 2, "type": "equivalent", "target": "f37bc12b2d7bd8fa9e9257a9a232a920", "evidence": {"same_day": true, "patch_ids": ["77bfa12a4c07686f775586c1330d7401"], "statement_hash": "c99216e19f1bf2d79c8fee8f6461e1fdbb29f1be3b32b7103d55f4593271eccb"}}], "version": "17.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "f37bc12b2d7bd8fa9e9257a9a232a920", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Fix use-after-free during logical replication of INSERT ... ON CONFLICT", "evidence": {"same_day": true, "patch_ids": ["77bfa12a4c07686f775586c1330d7401"], "statement_hash": "c99216e19f1bf2d79c8fee8f6461e1fdbb29f1be3b32b7103d55f4593271eccb"}, "url": "/docs/compare/?release=16.10#16.10-085516c09acdc2c1", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}]}, {"id": "17.6-edcd26180e8726a0", "cves": [], "html": "Allow waiting for a transaction on a standby server to be interrupted (Kevin K Biju) §
\nCreation of a replication slot on a standby server may require waiting for some active transaction(s) to finish on the primary and then be replayed on the standby. Since that could be an indefinite wait, it's desirable to allow the operation to be cancelled, but there was no check for query cancel in the loop.
", "text": "Allow waiting for a transaction on a standby server to be interrupted (Kevin K Biju) § Creation of a replication slot on a standby server may require waiting for some active transaction(s) to finish on the primary and then be replayed on the standby. Since that could be an indefinite wait, it's desirable to allow the operation to be cancelled, but there was no check for query cancel in the loop.", "title": "Allow waiting for a transaction on a standby server to be interrupted", "commits": ["24c5ad5be"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "0405a0ce21fe39f4ce3d6ad6b137c3042cc299f1168b3e07efc0066b2feae108", "section_path": ["Changes"], "commit_groups": [["24c5ad5be", "405cca9da", "63fa7caa9", "706344f06", "9130d8eee", "961553daf"]], "identity_text": "Allow waiting for a transaction on a standby server to be interrupted (Kevin K Biju) Creation of a replication slot on a standby server may require waiting for some active transaction(s) to finish on the primary and then be replayed on the standby. Since that could be an indefinite wait, it's desirable to allow the operation to be cancelled, but there was no check for query cancel in the loop.", "commit_aliases": ["24c5ad5be", "405cca9da", "63fa7caa9", "706344f06", "9130d8eee", "961553daf"], "source_commits": ["24c5ad5be"], "source_entry_id": "17.6/changes/030", "db_id": "441419563e7b1213eb40a5ad00a314a2", "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45", "relations": [{"rule": 2, "type": "equivalent", "target": "0e70198e4406f4acd9a45e1827f2a947", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}, {"rule": 2, "type": "equivalent", "target": "747d14855d798bb1987f50d262b8d020", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}, {"rule": 2, "type": "equivalent", "target": "82cbaa6bcb1ffd8af558965a2d5c0001", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}, {"rule": 2, "type": "equivalent", "target": "b6b261baad736c03573d16bfb1b117b3", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "0e70198e4406f4acd9a45e1827f2a947", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=16.10#16.10-48e4f07a16e0e3e4", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}, {"db_id": "82cbaa6bcb1ffd8af558965a2d5c0001", "kind": "equivalent", "version": "15.14", "label": "15.14", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=15.14#15.14-6e00ab88631c0790", "source_url": "/docs/release/15.14/#id-1.11.6.11.5"}, {"db_id": "b6b261baad736c03573d16bfb1b117b3", "kind": "equivalent", "version": "14.19", "label": "14.19", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=14.19#14.19-70cf4a7b8724e91d", "source_url": "/docs/release/14.19/#id-1.11.6.11.5"}, {"db_id": "747d14855d798bb1987f50d262b8d020", "kind": "equivalent", "version": "13.22", "label": "13.22", "title": "Allow waiting for a transaction on a standby server to be interrupted", "evidence": {"same_day": true, "patch_ids": ["187e0d1d9cfa1bfc5dfe37756a2c0c56"], "statement_hash": "9462db228f22687711dee0ec8d8acebf64eda37d04aeb9701390084ffe456f45"}, "url": "/docs/compare/?release=13.22#13.22-b7873e51a933f275", "source_url": "/docs/release/13.22/#id-1.11.6.7.6"}]}, {"id": "17.6-08867e7ffe043727", "cves": [], "html": "Do not let cascading logical WAL senders try to send data that's beyond what has been replayed on their standby server (Alexey Makhmutov) §
\nThis avoids a situation where such WAL senders could get stuck at standby server shutdown, waiting for replay work that will not happen because the server's startup process is already shut down.
", "text": "Do not let cascading logical WAL senders try to send data that's beyond what has been replayed on their standby server (Alexey Makhmutov) § This avoids a situation where such WAL senders could get stuck at standby server shutdown, waiting for replay work that will not happen because the server's startup process is already shut down.", "title": "Do not let cascading logical WAL senders try to send data that's beyond what has been replayed on their standby server", "commits": ["87be749c7"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "78f9f8a799860d24a40bd067986a34e0e3bf538375ea13cc8d54d5c151bb9603", "section_path": ["Changes"], "commit_groups": [["5231ed826", "5e6d561bc", "87be749c7"]], "identity_text": "Do not let cascading logical WAL senders try to send data that's beyond what has been replayed on their standby server (Alexey Makhmutov) This avoids a situation where such WAL senders could get stuck at standby server shutdown, waiting for replay work that will not happen because the server's startup process is already shut down.", "commit_aliases": ["5231ed826", "5e6d561bc", "87be749c7"], "source_commits": ["87be749c7"], "source_entry_id": "17.6/changes/031", "db_id": "f16e1bdc17043f264559177239b6811b", "patch_ids": ["dbf1e2775eadcc39cb4e5c411b8a010f"], "statement_hash": "d4f9ae7fc960bfe18c999fc3dd533605a1db401525b99f13fadf1b0d970f3c04", "relations": [{"rule": 2, "type": "equivalent", "target": "7405eab782e3675028e3b95a8c7f8131", "evidence": {"same_day": true, "patch_ids": ["dbf1e2775eadcc39cb4e5c411b8a010f"], "statement_hash": "d4f9ae7fc960bfe18c999fc3dd533605a1db401525b99f13fadf1b0d970f3c04"}}], "version": "17.6", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "7405eab782e3675028e3b95a8c7f8131", "kind": "equivalent", "version": "16.10", "label": "16.10", "title": "Do not let cascading logical WAL senders try to send data that's beyond what has been replayed on their standby server", "evidence": {"same_day": true, "patch_ids": ["dbf1e2775eadcc39cb4e5c411b8a010f"], "statement_hash": "d4f9ae7fc960bfe18c999fc3dd533605a1db401525b99f13fadf1b0d970f3c04"}, "url": "/docs/compare/?release=16.10#16.10-bce4d1d6c9185af1", "source_url": "/docs/release/16.10/#RELEASE-16-10-CHANGES"}]}, {"id": "17.6-4b016e6b830af89e", "cves": [], "html": "Fix per-relation memory leakage in autovacuum (Tom Lane) §
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This failed in edge cases such as an empty prepared statement.
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Restore the ability to run PL/pgSQL expressions in parallel (Dipesh Dhameliya) §
\nPL/pgSQL's notion of an “expression” is very broad, encompassing any SQL SELECT query that returns a single column and no more than one row. So there are cases, for example evaluation of an aggregate function, where the query involves significant work and it'd be useful to run it with parallel workers. This used to be possible, but a previous bug fix unintentionally disabled it.
Fix edge-case resource leaks in PL/Python error reporting (Tom Lane) § §
\nAn out-of-memory failure while reporting an error from Python could result in failure to drop reference counts on Python objects, leading to session-lifespan memory leakage.
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libpq would crash if the resulting cancel object was actually used.
", "text": "Fix libpq's PQcancelCreate() function for the case where the server's address was specified using hostaddr (Sergei Kornilov) § libpq would crash if the resulting cancel object was actually used.", "title": "Fix libpq's PQcancelCreate() function for the case where the server's address was specified using hostaddr", "commits": ["445bd37b1"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.6/#RELEASE-17-6-CHANGES", "source_hash": "8a6ee1491996092be3fb44202ac19a1721373e87c5a9fe370174a459baecf26e", "section_path": ["Changes"], "commit_groups": [["445bd37b1", "5d0800000", "fe05430ac"]], "identity_text": "Fix libpq's PQcancelCreate() function for the case where the server's address was specified using hostaddr (Sergei Kornilov) libpq would crash if the resulting cancel object was actually used.", "commit_aliases": ["445bd37b1", "5d0800000", "fe05430ac"], "source_commits": ["445bd37b1"], "source_entry_id": "17.6/changes/041", "db_id": "7b91a8dece2baae0dcc16ddf111fa692", "patch_ids": ["fc0f1468782ebfbacca855f120f79c0b"], "statement_hash": "a68e3732ff29930c5b3829d1a5d17f9161b312a089661f294d04f56a68fb6243", "relations": [], "version": "17.6", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.6-419aac3386b26d61", "cves": [], "html": "Fix libpq's PQport() function to never return NULL unless the passed connection is NULL (Daniele Varrazzo) §
This is the documented behavior, but recent libpq versions would return NULL in some cases where the user had not provided a port specification. Revert to our historical behavior of returning an empty string in such cases. (v18 and later will return the compiled-in default port number, typically \"5432\", instead.)
Avoid failure when GSSAPI authentication requires packets larger than 16kB (Jacob Champion, Tom Lane) §
\nLarger authentication packets are needed for Active Directory users who belong to many AD groups. This limitation manifested in connection failures with unintelligible error messages, typically “GSSAPI context establishment error: The routine must be called again to complete its function: Unknown error”.
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\nWhen using SSL or GSSAPI encryption in non-blocking mode, libpq sometimes failed with “SSL error: bad length” or “GSSAPI caller failed to retransmit all data needing to be retried”.
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Avoid assertion failure if track_commit_timestamp is enabled during initdb (Hayato Kuroda, Andy Fan) §
Fix pg_waldump to show information about dropped statistics in PREPARE TRANSACTION WAL records (Daniil Davydov) §
Avoid possible leak of the open connection during contrib/dblink connection establishment (Tom Lane) §
In the rare scenario where we hit out-of-memory while inserting the new connection object into dblink's hashtable, the open connection would be leaked until end of session, leaving an idle session sitting on the remote server.
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Autoprewarm failed with a memory allocation error if shared_buffers was larger than about 50 million buffers (400GB).
Prevent assertion failure in contrib/pg_prewarm (Masahiro Ikeda) §
Applying pg_prewarm() to a relation lacking storage (such as a view) caused an assertion failure, although there was no ill effect in non-assert builds. Add an error check to reject that case.
In contrib/pg_stat_statements, avoid leaving gaps in the set of parameter numbers used in a normalized query (Sami Imseih) §
Fix memory leakage in contrib/postgres_fdw's DirectModify methods (Tom Lane) §
The PGresult holding the results of the remote modify command would be leaked for the rest of the session if the query fails between invocations of the DirectModify methods, which could happen when there's RETURNING data to process.
Ensure that directories listed in configure's --with-includes and --with-libraries options are searched before system-supplied directories (Tom Lane) §
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configure failed to detect these Windows-specific functions, so that they would not be used, leading to slower-than-necessary CRC computations since the availability of hardware instructions could not be verified. The practical impact of this error was limited, because production builds for Windows typically do not use the Autoconf toolchain.
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\nCreating or attaching partitions failed to make the required catalog entries for a foreign-key constraint, if the table referenced by the constraint was the same partitioned table. This resulted in failure to enforce the constraint fully.
\nTo fix this, you should drop and recreate any self-referential foreign keys on partitioned tables, if partitions have been created or attached since the constraint was created. Bear in mind that violating rows might already be present, in which case recreating the constraint will fail, and you'll need to fix up those rows before trying again.
", "text": "Handle self-referential foreign keys on partitioned tables correctly (Álvaro Herrera) § Creating or attaching partitions failed to make the required catalog entries for a foreign-key constraint, if the table referenced by the constraint was the same partitioned table. This resulted in failure to enforce the constraint fully. To fix this, you should drop and recreate any self-referential foreign keys on partitioned tables, if partitions have been created or attached since the constraint was created. Bear in mind that violating rows might already be present, in which case recreating the constraint will fail, and you'll need to fix up those rows before trying again.", "title": "Handle self-referential foreign keys on partitioned tables correctly", "commits": ["f51ae3187"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "34acb88862cc01e1b3f535250ed1681aef05f3008636829b816b8cf75d88ab3e", "section_path": ["Changes"], "commit_groups": [["1649d153a", "1817d62ec", "6ba979cf5", "b3a9c536d", "c83a38758", "f51ae3187"]], "identity_text": "Handle self-referential foreign keys on partitioned tables correctly (Álvaro Herrera) Creating or attaching partitions failed to make the required catalog entries for a foreign-key constraint, if the table referenced by the constraint was the same partitioned table. This resulted in failure to enforce the constraint fully. To fix this, you should drop and recreate any self-referential foreign keys on partitioned tables, if partitions have been created or attached since the constraint was created. 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The code failed to account for decompression results not being identical to the input objects, which would result in failure to add some of the data to the merged summary, leading to missed rows in index searches.
\nThis mistake was present back to v14 where BRIN bloom indexes were introduced, but this code path was only rarely reached then. It's substantially more likely to be hit in v17 because parallel index builds now use the code.
", "text": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union() (Tomas Vondra) § The code failed to account for decompression results not being identical to the input objects, which would result in failure to add some of the data to the merged summary, leading to missed rows in index searches. This mistake was present back to v14 where BRIN bloom indexes were introduced, but this code path was only rarely reached then. It's substantially more likely to be hit in v17 because parallel index builds now use the code.", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "commits": ["cb0ad70b8"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "19fd566382389b19294889a03476f67bcac50ecf5f649586d03ba5f32366a873", "section_path": ["Changes"], "commit_groups": [["6be02bbc8", "818245506", "cb0ad70b8", "e064b770c", "ebcc799a7"]], "identity_text": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union() (Tomas Vondra) The code failed to account for decompression results not being identical to the input objects, which would result in failure to add some of the data to the merged summary, leading to missed rows in index searches. This mistake was present back to v14 where BRIN bloom indexes were introduced, but this code path was only rarely reached then. It's substantially more likely to be hit in v17 because parallel index builds now use the code.", "commit_aliases": ["6be02bbc8", "818245506", "cb0ad70b8", "e064b770c", "ebcc799a7"], "source_commits": ["cb0ad70b8"], "source_entry_id": "17.5/changes/003", "db_id": "485bff3c834029add3cd04127b9baf3b", "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609", "relations": [{"rule": 2, "type": "equivalent", "target": "3a11ecf5fadca551924c452d89cfd2ae", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}}, {"rule": 2, "type": "equivalent", "target": "4843f13cf3d1c267a1482aff53d43829", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}}, {"rule": 2, "type": "equivalent", "target": "bbe2be1a596ba923c5a319334510b4f8", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}}], "version": "17.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "4843f13cf3d1c267a1482aff53d43829", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}, "url": "/docs/compare/?release=16.9#16.9-00a18a3ddf7896ba", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "3a11ecf5fadca551924c452d89cfd2ae", "kind": "equivalent", "version": "15.13", "label": "15.13", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}, "url": "/docs/compare/?release=15.13#15.13-32fb0ac8af362319", "source_url": "/docs/release/15.13/#id-1.11.6.12.5"}, {"db_id": "bbe2be1a596ba923c5a319334510b4f8", "kind": "equivalent", "version": "14.18", "label": "14.18", "title": "Avoid data loss when merging compressed BRIN summaries in brin_bloom_union()", "evidence": {"same_day": true, "patch_ids": ["e7679010570c027f03bd2cfeabb18277"], "statement_hash": "4b381913723c5c4a3d0d3be5e7454df4efc248655249905dff5dc8a58a402609"}, "url": "/docs/compare/?release=14.18#14.18-f538b53a2f7f69ca", "source_url": "/docs/release/14.18/#id-1.11.6.12.5"}]}, {"id": "17.5-4ee041283b8d7df3", "cves": [], "html": "Fix unexpected “attribute has wrong type” errors in UPDATE, DELETE, and MERGE queries that use whole-row table references to views or functions in FROM (Tom Lane) §
Fix MERGE into a partitioned table with DO NOTHING actions (Tender Wang) §
Some cases failed with “unknown action in MERGE WHEN clause” errors.
", "text": "Fix MERGE into a partitioned table with DO NOTHING actions (Tender Wang) § Some cases failed with “unknown action in MERGE WHEN clause” errors.", "title": "Fix MERGE into a partitioned table with DO NOTHING actions", "commits": ["25303678a"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "3dee2ba0540a4c784d18020fef92a582551c0b8093cb9d0c6dd383827cceeb60", "section_path": ["Changes"], "commit_groups": [["14a33d3f0", "25303678a", "8b6a0e239", "8d4cd3b4a"]], "identity_text": "Fix MERGE into a partitioned table with DO NOTHING actions (Tender Wang) Some cases failed with unknown action in MERGE WHEN clause errors.", "commit_aliases": ["14a33d3f0", "25303678a", "8b6a0e239", "8d4cd3b4a"], "source_commits": ["25303678a"], "source_entry_id": "17.5/changes/005", "db_id": "86af16fcd8c6b4a784b7476a3d942894", "patch_ids": ["513aa4deebdf3df8839bb06bae87b2de"], "statement_hash": "5fe417a7181c1d7cf2c97d0d55ffbacd8690db7faa1ee767a09dea3ed7953532", "relations": [{"rule": 2, "type": "equivalent", "target": "52e2c1747d54581c28441d3730cd211c", "evidence": {"same_day": true, "patch_ids": ["513aa4deebdf3df8839bb06bae87b2de"], "statement_hash": "5fe417a7181c1d7cf2c97d0d55ffbacd8690db7faa1ee767a09dea3ed7953532"}}, {"rule": 2, "type": "equivalent", "target": "62735bf2bbcc5084c2a05ae3d376af22", "evidence": {"same_day": true, "patch_ids": ["513aa4deebdf3df8839bb06bae87b2de"], "statement_hash": "5fe417a7181c1d7cf2c97d0d55ffbacd8690db7faa1ee767a09dea3ed7953532"}}], "version": "17.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "52e2c1747d54581c28441d3730cd211c", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Fix MERGE into a partitioned table with DO NOTHING actions", "evidence": {"same_day": true, "patch_ids": ["513aa4deebdf3df8839bb06bae87b2de"], "statement_hash": "5fe417a7181c1d7cf2c97d0d55ffbacd8690db7faa1ee767a09dea3ed7953532"}, "url": "/docs/compare/?release=16.9#16.9-e85808310d3df6a7", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "62735bf2bbcc5084c2a05ae3d376af22", "kind": "equivalent", "version": "15.13", "label": "15.13", "title": "Fix MERGE into a partitioned table with DO NOTHING actions", "evidence": {"same_day": true, "patch_ids": ["513aa4deebdf3df8839bb06bae87b2de"], "statement_hash": "5fe417a7181c1d7cf2c97d0d55ffbacd8690db7faa1ee767a09dea3ed7953532"}, "url": "/docs/compare/?release=15.13#15.13-573e0d1c859813ca", "source_url": "/docs/release/15.13/#id-1.11.6.12.5"}]}, {"id": "17.5-6526003e508c4382", "cves": [], "html": "Prevent failure in INSERT commands when the table has a GENERATED column of a domain data type and the domain's constraints disallow null values (Jian He) §
Constraint failure was reported even if the generation expression produced a perfectly okay result.
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The parser failed to detect disallowed recursion cases, nor did it account for such references when sorting CTEs into a usable order.
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This patch restores the behavior that existed before PostgreSQL 9.5: the result is of type int2vector[] or oidvector[].
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If a domain type has a default, adding a column of that type (without any explicit DEFAULT clause) failed to install the domain's default value in existing rows, instead leaving the new column null.
Repair misbehavior when there are duplicate column names in a foreign key constraint's ON DELETE SET DEFAULT or SET NULL action (Tom Lane) §
Improve the error message for disallowed attempts to alter the properties of a foreign key constraint (Álvaro Herrera) §
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Add missing deparsing of the INDENT option of XMLSERIALIZE() (Jim Jones) § §
Previously, views or rules using XMLSERIALIZE(... INDENT) were dumped without the INDENT clause, causing incorrect results after restore.
Avoid premature evaluation of the arguments of an aggregate function that has both FILTER and ORDER BY (or DISTINCT) options (David Rowley) §
If there is ORDER BY or DISTINCT, we consider pre-sorting the aggregate input values rather than doing the sort within the Agg plan node. But this is problematic if the aggregate inputs include expressions that could fail (for example, a division where some of the input divisors could be zero) and there is a FILTER clause that's meant to prevent such failures. Pre-sorting would push the expression evaluations to before the FILTER test, allowing the failures to happen anyway. Avoid this by not pre-sorting if there's a FILTER and the input expressions are anything more complex than a simple Var or Const.
Fix erroneous deductions from column NOT NULL constraints in the presence of outer joins (Richard Guo) §
In some cases the planner would discard an IS NOT NULL query condition, even though the condition applies after an outer join and thus is not redundant.
Avoid incorrect optimizations based on IS [NOT] NULL tests that are applied to composite values (Bruce Momjian) §
Fix planner's failure to identify more than one hashable ScalarArrayOpExpr subexpression within a top-level expression (David Geier) §
\nThis resulted in unnecessarily-inefficient execution of any additional subexpressions that could have been processed with a hash table (that is, IN, NOT IN, or = ANY clauses with all-constant right-hand sides).
Fix incorrect table size estimate with low fill factor (Tomas Vondra) §
\nWhen the planner estimates the number of rows in a never-yet-analyzed table, it uses the table's fillfactor setting in the estimation, but it neglected to clamp the result to at least one row per page. A low fillfactor could thus result in an unreasonably small estimate.
", "text": "Fix incorrect table size estimate with low fill factor (Tomas Vondra) § When the planner estimates the number of rows in a never-yet-analyzed table, it uses the table's fillfactor setting in the estimation, but it neglected to clamp the result to at least one row per page. A low fillfactor could thus result in an unreasonably small estimate.", "title": "Fix incorrect table size estimate with low fill factor", "commits": ["587b6aa3f"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "d224e4d08dc951edfe8da840ccff1d1b5c2620349732393899fedfbd65080db2", "section_path": ["Changes"], "commit_groups": [["587b6aa3f", "9ba7bcc89"]], "identity_text": "Fix incorrect table size estimate with low fill factor (Tomas Vondra) When the planner estimates the number of rows in a never-yet-analyzed table, it uses the table's fillfactor setting in the estimation, but it neglected to clamp the result to at least one row per page. A low fillfactor could thus result in an unreasonably small estimate.", "commit_aliases": ["587b6aa3f", "9ba7bcc89"], "source_commits": ["587b6aa3f"], "source_entry_id": "17.5/changes/021", "db_id": "f8b3993efe4b1cc33a7d48d17ca578d2", "patch_ids": ["816261129d787a6f2bd0989a506895f7"], "statement_hash": "59e83ab85d03a81a8f45c9e421e1703076c446148a9887625820f400efdb89b2", "relations": [], "version": "17.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.5-d0e0aee72000234f", "cves": [], "html": "Disable “skip fetch” optimization in bitmap heap scan (Matthias van de Meent) §
\nIt turns out that this optimization can result in returning dead tuples when a concurrent vacuum marks a page all-visible.
", "text": "Disable “skip fetch” optimization in bitmap heap scan (Matthias van de Meent) § It turns out that this optimization can result in returning dead tuples when a concurrent vacuum marks a page all-visible.", "title": "Disable “skip fetch” optimization in bitmap heap scan", "commits": ["78cb2466f"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "8fcf0cdbdd47a77b3865bbc4c9085216fd1bc0e335fd83ac73a821d4426112a7", "section_path": ["Changes"], "commit_groups": [["459e7bf8e", "4934d3875", "77d90d6d6", "78cb2466f", "980727b84", "b9ec8125d"]], "identity_text": "Disable skip fetch optimization in bitmap heap scan (Matthias van de Meent) It turns out that this optimization can result in returning dead tuples when a concurrent vacuum marks a page all-visible.", "commit_aliases": ["459e7bf8e", "4934d3875", "77d90d6d6", "78cb2466f", "980727b84", "b9ec8125d"], "source_commits": ["78cb2466f"], "source_entry_id": "17.5/changes/022", "db_id": "623c2024106007645fec5d71fb5712bb", "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67", "relations": [{"rule": 2, "type": "equivalent", "target": "5b84c530a1833db604577188570826f0", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}}, {"rule": 2, "type": "equivalent", "target": "aad339e7e9006b00a0a084b4f930d309", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}}, {"rule": 2, "type": "equivalent", "target": "b694546a946a05eab3a70dbe84ca5802", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}}, {"rule": 2, "type": "equivalent", "target": "fac79d43b3a211db66f6f7439608ee0d", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}}], "version": "17.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "b694546a946a05eab3a70dbe84ca5802", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Disable “skip fetch” optimization in bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}, "url": "/docs/compare/?release=16.9#16.9-ec226192f4ec4117", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "fac79d43b3a211db66f6f7439608ee0d", "kind": "equivalent", "version": "15.13", "label": "15.13", "title": "Disable “skip fetch” optimization in bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}, "url": "/docs/compare/?release=15.13#15.13-0fcfc7db639b5e6d", "source_url": "/docs/release/15.13/#id-1.11.6.12.5"}, {"db_id": "5b84c530a1833db604577188570826f0", "kind": "equivalent", "version": "14.18", "label": "14.18", "title": "Disable “skip fetch” optimization in bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}, "url": "/docs/compare/?release=14.18#14.18-7fee35a12ed31c20", "source_url": "/docs/release/14.18/#id-1.11.6.12.5"}, {"db_id": "aad339e7e9006b00a0a084b4f930d309", "kind": "equivalent", "version": "13.21", "label": "13.21", "title": "Disable “skip fetch” optimization in bitmap heap scan", "evidence": {"same_day": true, "patch_ids": ["24bd9f8c7d1c77a2c13ebf151d4f8c78"], "statement_hash": "8f4cf3b56c19d886317615b5f6a44c5d0e2b2b6a87c82a344367ba093f15aa67"}, "url": "/docs/compare/?release=13.21#13.21-a23918277d20303c", "source_url": "/docs/release/13.21/#id-1.11.6.8.6"}]}, {"id": "17.5-6b61702f0e96682e", "cves": [], "html": "Fix performance issues in GIN index search startup when there are many search keys (Tom Lane, Vinod Sridharan) § §
\nAn indexable clause with many keys (for example, jsonbcol ?| array[...] with tens of thousands of array elements) took O(N2) time to start up, and was uncancelable for that interval too.
Detect missing support procedures in a BRIN index operator class, and report an error instead of crashing (Álvaro Herrera) §
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\nPreviously, nothing would happen until one of the subplans becomes ready.
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Fix race condition in handling of synchronous_standby_names immediately after startup (Melnikov Maksim, Michael Paquier) §
For a short period after system startup, backends might fail to wait for synchronous commit even though synchronous_standby_names is enabled.
Cope with possible intra-query changes of io_combine_limit (Thomas Munro) §
Avoid infinite loop if scram_iterations is set to INT_MAX (Kevin K Biju) §
Avoid possible crashes due to double transformation of json_array()'s subquery (Tom Lane) §
Fix pg_strtof() to not crash with null endptr (Alexander Lakhin, Tom Lane) §
Fix crash after out-of-memory in certain GUC assignments (Daniel Gustafsson) §
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\nThis led to crashes during planning if partitionwise joining is enabled.
", "text": "Fix over-enthusiastic freeing of SpecialJoinInfo structs during planning (Richard Guo) § This led to crashes during planning if partitionwise joining is enabled.", "title": "Fix over-enthusiastic freeing of SpecialJoinInfo structs during planning", "commits": ["727bc6ac3"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "67f2fd66d17d12bc0127432dc4a1ee621254e71141bab1304f4bcbe4ee5b0445", "section_path": ["Changes"], "commit_groups": [["727bc6ac3", "c39392eba"]], "identity_text": "Fix over-enthusiastic freeing of SpecialJoinInfo structs during planning (Richard Guo) This led to crashes during planning if partitionwise joining is enabled.", "commit_aliases": ["727bc6ac3", "c39392eba"], "source_commits": ["727bc6ac3"], "source_entry_id": "17.5/changes/034", "db_id": "ebdda7e082e30154b83d9936a391bd88", "patch_ids": ["42ec8138b2a25ccf518470e4df4202b0"], "statement_hash": "15ded82f73c70eec7feb88b753b5810fd5a76ddd53da757ee29f9cbb1203e6e1", "relations": [], "version": "17.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.5-329d6dcb7a52243f", "cves": [], "html": "Disallow copying of invalidated replication slots (Shlok Kyal) §
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\nThis prevents a scenario where the slot could remain valid after promotion even if wal_level is too low.
Prevent over-advancement of catalog xmin in “fast forward” mode of logical decoding (Zhijie Hou) §
\nThis mistake could allow deleted catalog entries to be vacuumed away even though they were still potentially needed by the WAL-reading process.
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\nThis mistake could allow duplicate data to be applied.
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", "text": "Avoid duplicate snapshot creation in logical replication index lookups (Heikki Linnakangas) § §", "title": "Avoid duplicate snapshot creation in logical replication index lookups", "commits": ["c1dd3a944", "f1ef111a0"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "90d0201eb3e09e67418e69ae62d6919644033c126b99c25ef89c740adc02a9a4", "section_path": ["Changes"], "commit_groups": [["136e68b46", "324e0b656", "6c1e79589", "d765226cb", "f1ef111a0", "f7c566a1a"], ["236750317", "2ef048855", "50c589992", "8171d2dae", "9b3914f18", "c1dd3a944"]], "identity_text": "Avoid duplicate snapshot creation in logical replication index lookups (Heikki Linnakangas)", "commit_aliases": ["136e68b46", "236750317", "2ef048855", "324e0b656", "50c589992", "6c1e79589", "8171d2dae", "9b3914f18", "c1dd3a944", "d765226cb", "f1ef111a0", "f7c566a1a"], "source_commits": ["c1dd3a944", "f1ef111a0"], "source_entry_id": "17.5/changes/041", "db_id": "68a6f444e2dd1111866e1692a09eaee9", "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9", "relations": [{"rule": 2, "type": "equivalent", "target": "27c56fefd26a3de8d757bbd085e3ccf7", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}}, {"rule": 2, "type": "equivalent", "target": "4cbd410dcacccd81b5e565436db7bc7a", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}}, {"rule": 2, "type": "equivalent", "target": "62d7ad831c6b591f2d8c9f0a041d221b", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}}, {"rule": 2, "type": "equivalent", "target": "c4856066739f35020574380d1ebe619e", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}}], "version": "17.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c4856066739f35020574380d1ebe619e", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Avoid duplicate snapshot creation in logical replication index lookups", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}, "url": "/docs/compare/?release=16.9#16.9-844f220134ec081b", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "4cbd410dcacccd81b5e565436db7bc7a", "kind": "equivalent", "version": "15.13", "label": "15.13", "title": "Avoid duplicate snapshot creation in logical replication index lookups", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}, "url": "/docs/compare/?release=15.13#15.13-a7ab6f2ad8ceed1e", "source_url": "/docs/release/15.13/#id-1.11.6.12.5"}, {"db_id": "62d7ad831c6b591f2d8c9f0a041d221b", "kind": "equivalent", "version": "14.18", "label": "14.18", "title": "Avoid duplicate snapshot creation in logical replication index lookups", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}, "url": "/docs/compare/?release=14.18#14.18-8a94534beb8d394b", "source_url": "/docs/release/14.18/#id-1.11.6.12.5"}, {"db_id": "27c56fefd26a3de8d757bbd085e3ccf7", "kind": "equivalent", "version": "13.21", "label": "13.21", "title": "Avoid duplicate snapshot creation in logical replication index lookups", "evidence": {"same_day": true, "patch_ids": ["1adc95ac621663bc7fa51f18ad33a68d", "809047aed79be0ed50900ccbf42f80fa"], "statement_hash": "16fba735d9e2dacfd355019baedc5bac39309c551378ee63052a10c4debdade9"}, "url": "/docs/compare/?release=13.21#13.21-b909fdf92799340c", "source_url": "/docs/release/13.21/#id-1.11.6.8.6"}]}, {"id": "17.5-35844b784dd5bae0", "cves": [], "html": "Improve detection of mixed-origin subscriptions (Hou Zhijie, Shlok Kyal) §
\nSubscription creation gives a warning if a subscribed-to table is also being followed through other publications, since that could cause duplicate data to be received. This change improves that logic to also detect cases where a partition parent or child table is the one being followed through another publication.
", "text": "Improve detection of mixed-origin subscriptions (Hou Zhijie, Shlok Kyal) § Subscription creation gives a warning if a subscribed-to table is also being followed through other publications, since that could cause duplicate data to be received. This change improves that logic to also detect cases where a partition parent or child table is the one being followed through another publication.", "title": "Improve detection of mixed-origin subscriptions", "commits": ["0ae1245e0"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "1ecc4b6db4538add2189b14996b49c502d9677d4d0c8471c2ade7da1e67ba5a0", "section_path": ["Changes"], "commit_groups": [["0ae1245e0", "1c2a2354c", "b4e0d0c53"]], "identity_text": "Improve detection of mixed-origin subscriptions (Hou Zhijie, Shlok Kyal) Subscription creation gives a warning if a subscribed-to table is also being followed through other publications, since that could cause duplicate data to be received. This change improves that logic to also detect cases where a partition parent or child table is the one being followed through another publication.", "commit_aliases": ["0ae1245e0", "1c2a2354c", "b4e0d0c53"], "source_commits": ["0ae1245e0"], "source_entry_id": "17.5/changes/042", "db_id": "44f32c590db44e0e093238175b097e5c", "patch_ids": ["a9dcfd6c5ab2c0d0072c9c34d19ba607"], "statement_hash": "a8411c07b850b1506fee93c6db5a926461b099a56d515bc2a262b9bfde26492b", "relations": [{"rule": 2, "type": "equivalent", "target": "9f81f44ae53fd35d2b6ab6323f017683", "evidence": {"same_day": true, "patch_ids": ["a9dcfd6c5ab2c0d0072c9c34d19ba607"], "statement_hash": "a8411c07b850b1506fee93c6db5a926461b099a56d515bc2a262b9bfde26492b"}}], "version": "17.5", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "9f81f44ae53fd35d2b6ab6323f017683", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Improve detection of mixed-origin subscriptions", "evidence": {"same_day": true, "patch_ids": ["a9dcfd6c5ab2c0d0072c9c34d19ba607"], "statement_hash": "a8411c07b850b1506fee93c6db5a926461b099a56d515bc2a262b9bfde26492b"}, "url": "/docs/compare/?release=16.9#16.9-5ae54dbf9fc83b1d", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}]}, {"id": "17.5-5d0c95873c035713", "cves": [], "html": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice (David Steele) §
\nIf the requested recovery timeline is not reachable, the reported checkpoint and timeline should be the values read from the backup_label, if there is one. This message previously reported values from the control file, which is correct when recovering from the control file without a backup_label, but not when there is a backup_label.
", "text": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice (David Steele) § If the requested recovery timeline is not reachable, the reported checkpoint and timeline should be the values read from the backup_label, if there is one. This message previously reported values from the control file, which is correct when recovering from the control file without a backup_label, but not when there is a backup_label.", "title": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice", "commits": ["29cce279b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "4a11d4bbc124f676a937847b289634056e22305c96388148c6589a244d33525a", "section_path": ["Changes"], "commit_groups": [["29cce279b", "62bed7bb0", "71f17823b", "b4969a296"]], "identity_text": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice (David Steele) If the requested recovery timeline is not reachable, the reported checkpoint and timeline should be the values read from the backup_label, if there is one. This message previously reported values from the control file, which is correct when recovering from the control file without a backup_label, but not when there is a backup_label.", "commit_aliases": ["29cce279b", "62bed7bb0", "71f17823b", "b4969a296"], "source_commits": ["29cce279b"], "source_entry_id": "17.5/changes/043", "db_id": "a246338555d823bc8f689670b84ea7a0", "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff", "relations": [{"rule": 2, "type": "equivalent", "target": "54c2c91919ba0bb07a3b8c1d61f42e31", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}}, {"rule": 2, "type": "equivalent", "target": "98f7fe84bec7c123507049c72ef3a854", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}}], "version": "17.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "98f7fe84bec7c123507049c72ef3a854", "kind": "equivalent", "version": "16.9", "label": "16.9", "title": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}, "url": "/docs/compare/?release=16.9#16.9-a1968804eab98396", "source_url": "/docs/release/16.9/#RELEASE-16-9-CHANGES"}, {"db_id": "54c2c91919ba0bb07a3b8c1d61f42e31", "kind": "equivalent", "version": "15.13", "label": "15.13", "title": "Fix wrong checkpoint details in error message about incorrect recovery timeline choice", "evidence": {"same_day": true, "patch_ids": ["791e0478918d750ff09e10d599952384"], "statement_hash": "e2dfc107fdae95cf7907303d4f0659f00f9b7c145f7fc3cf16d5b0f4d82af4ff"}, "url": "/docs/compare/?release=15.13#15.13-a501f629b2353dfa", "source_url": "/docs/release/15.13/#id-1.11.6.12.5"}]}, {"id": "17.5-9bcbd09b8a148aa1", "cves": [], "html": "Fix order of operations in smgropen() (Andres Freund) §
Ensure that the SMgrRelation object is fully initialized before calling the smgr_open callback, so that it can be cleaned up properly if the callback fails.
", "text": "Fix order of operations in smgropen() (Andres Freund) § Ensure that the SMgrRelation object is fully initialized before calling the smgr_open callback, so that it can be cleaned up properly if the callback fails.", "title": "Fix order of operations in smgropen()", "commits": ["ee578921b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.5/#RELEASE-17-5-CHANGES", "source_hash": "a12840fe271d563a4282c4d0c898af06886299f61d8c58d93ccecf5ae16865eb", "section_path": ["Changes"], "commit_groups": [["499faf906", "ee578921b"]], "identity_text": "Fix order of operations in smgropen() (Andres Freund) Ensure that the SMgrRelation object is fully initialized before calling the smgr_open callback, so that it can be cleaned up properly if the callback fails.", "commit_aliases": ["499faf906", "ee578921b"], "source_commits": ["ee578921b"], "source_entry_id": "17.5/changes/044", "db_id": "e9a50ec7ca67f2c4679255406d0c6a77", "patch_ids": ["f481d5337e18827c4d8faa8c466bd4df"], "statement_hash": "cb989da0ed651666f73571842ce104ed836dcfc77ac8d00535a608e0ab8d5c3d", "relations": [], "version": "17.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.5-6642898be230c9df", "cves": [], "html": "Remove incorrect assertion in pgstat_report_stat() (Michael Paquier) §
Fix overly-strict assertion in gistFindCorrectParent() (Heikki Linnakangas) §
Avoid assertion failure in parallel vacuum when maintenance_work_mem has a very small value (Masahiko Sawada) §
Fix rare assertion failure in standby servers when the primary is restarted (Heikki Linnakangas) §
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Don't try to drop individual index partitions in pg_dump's --clean mode (Jian He) §
The server rejects such DROP commands. That has no real consequences, since the partitions will go away anyway in the subsequent DROPs of either their parent tables or their partitioned index. However, the error reported for the attempted drop causes problems when restoring in --single-transaction mode.
In pg_dumpall, avoid emitting invalid role GRANT commands if pg_auth_members contains invalid role OIDs (Tom Lane) §
Instead, print a warning and skip the entry. This copes better with catalog corruption that has been seen to occur in back branches as a result of race conditions between GRANT and DROP ROLE.
In pg_amcheck and pg_upgrade, use the correct function to free allocations made by libpq (Michael Paquier, Ranier Vilela) § § §
\nThese oversights could result in crashes in certain Windows build configurations, such as a debug build of libpq used by a non-debug build of the calling application.
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This reduces the risk of problems if a calling application performs additional processing on the quoted string.", "title": "Improve behavior of libpq's quoting functions", "commits": ["3977bd298", "3abe6e04c", "a92db3d02"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.4/#RELEASE-17-4-CHANGES", "source_hash": "df5454038007b88df8733584820a457d3ac17a4a51865df26d72027ea3fcd906", "section_path": ["Changes"], "commit_groups": [["111f4dd27", "1f7a05324", "22ffbbf24", "985908df1", "a92db3d02", "efdadeb22"], ["2226a2e26", "3977bd298", "644b7d686", "9f052613e", "a7f95859e", "f864a4cdf"], ["3abe6e04c", "991a60a9f", "9f45e6a91", "c08309584", "d6d29b213", "e782a63cc"]], "identity_text": "Improve behavior of libpq's quoting functions (Andres Freund, Tom Lane) The changes made for CVE-2025-1094 had one serious oversight: PQescapeLiteral() and PQescapeIdentifier() failed to honor their string length parameter, instead always reading to the input string's trailing null. This resulted in including unwanted text in the output, if the caller intended to truncate the string via the length parameter. With very bad luck it could cause a crash due to reading off the end of memory. In addition, modify all these quoting functions so that when invalid encoding is detected, an invalid sequence is substituted for just the first byte of the presumed character, not all of it. 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", "text": "Fix small memory leak in pg_createsubscriber (Ranier Vilela) §", "title": "Fix small memory leak in pg_createsubscriber", "commits": ["ff6d9cfcb"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.4/#RELEASE-17-4-CHANGES", "source_hash": "073a114dab6fe74cf6560ff8ec461b817b393df59b97f84635889267d27cdcd6", "section_path": ["Changes"], "commit_groups": [["5b94e2753", "ff6d9cfcb"]], "identity_text": "Fix small memory leak in pg_createsubscriber (Ranier Vilela)", "commit_aliases": ["5b94e2753", "ff6d9cfcb"], "source_commits": ["ff6d9cfcb"], "source_entry_id": "17.4/changes/002", "db_id": "285be6e0e7a74086c0b57f74d1b0ff80", "patch_ids": ["c1239f7bac6a8a540403b6538c9eec5d"], "statement_hash": "a256c57eadaf80bcdda9ec79418d7a98a24f6675a91f9e1d4b7846e393d4187e", "relations": [], "version": "17.4", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.4-1a6bc652fff7cf0a", "cves": [], "html": "Fix meson build system to correctly detect availability of the bsd_auth.h system header (Nazir Bilal Yavuz) §
A dump/restore is not required for those running 17.X.
\nHowever, if you are upgrading from a version earlier than 17.1, see Section E.11.
", "compatibility_count": 0, "label": "17.3", "status_label": "Supported", "eol": "2029-11-08", "age_days": 593, "support_days": 1136, "entries": [{"id": "17.3-ec56c13500d18830", "cves": ["CVE-2025-1094"], "html": "Harden PQescapeString and allied functions against invalidly-encoded input strings (Andres Freund, Noah Misch) § § § § § §
Data-quoting functions supplied by libpq now fully check the encoding validity of their input. If invalid characters are detected, they report an error if possible. For the ones that lack an error return convention, the output string is adjusted to ensure that the server will report invalid encoding and no intervening processing will be fooled by bytes that might happen to match single quote, backslash, etc.
\nThe purpose of this change is to guard against SQL-injection attacks that are possible if one of these functions is used to quote crafted input. There is no hazard when the resulting string is sent directly to a PostgreSQL server (which would check its encoding anyway), but there is a risk when it is passed through psql or other client-side code. Historically such code has not carefully vetted encoding, and in many cases it's not clear what it should do if it did detect such a problem.
\nThis fix is effective only if the data-quoting function, the server, and any intermediate processing agree on the character encoding that's being used. Applications that insert untrusted input into SQL commands should take special care to ensure that that's true.
\nApplications and drivers that quote untrusted input without using these libpq functions may be at risk of similar problems. They should first confirm the data is valid in the encoding expected by the server.
\nThe PostgreSQL Project thanks Stephen Fewer for reporting this problem. (CVE-2025-1094)
", "text": "Harden PQescapeString and allied functions against invalidly-encoded input strings (Andres Freund, Noah Misch) § § § § § § Data-quoting functions supplied by libpq now fully check the encoding validity of their input. If invalid characters are detected, they report an error if possible. For the ones that lack an error return convention, the output string is adjusted to ensure that the server will report invalid encoding and no intervening processing will be fooled by bytes that might happen to match single quote, backslash, etc. The purpose of this change is to guard against SQL-injection attacks that are possible if one of these functions is used to quote crafted input. There is no hazard when the resulting string is sent directly to a PostgreSQL server (which would check its encoding anyway), but there is a risk when it is passed through psql or other client-side code. Historically such code has not carefully vetted encoding, and in many cases it's not clear what it should do if it did detect such a problem. This fix is effective only if the data-quoting function, the server, and any intermediate processing agree on the character encoding that's being used. Applications that insert untrusted input into SQL commands should take special care to ensure that that's true. Applications and drivers that quote untrusted input without using these libpq functions may be at risk of similar problems. They should first confirm the data is valid in the encoding expected by the server. The PostgreSQL Project thanks Stephen Fewer for reporting this problem. (CVE-2025-1094)", "title": "Harden PQescapeString and allied functions against invalidly-encoded input strings", "commits": ["02d4d87ac", "05abb0f83", "43a77239d", "61ad93cdd", "7d43ca6fe", "85c1fcc65"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "4f8e4cecca5724d07f47a43a87054fdf82e0b470cc27db280ae273d75f6aba48", "section_path": ["Changes"], "commit_groups": [["0075a5c6c", "5bf12323b", "85c1fcc65", "9862de917", "e1f1b030d", "f9fceef6e"], ["00f1a1f66"], ["01784793f", "02d4d87ac", "46ddf98df", "4ea3f5ef3", "ac00ff1c9", "de4b92f33"], ["05abb0f83", "41343f840", "4a6825c76", "7beb2af5e", "979205e47", "a085fa731"], ["2ae54ae17", "3e98c8ce5", "56aa2dcdd", "5df4e1632", "61ad93cdd", "b1756da75"], ["370c94d4c", "43a77239d", "5dc1e42b4", "92e4170f4", "c906bfe1b", "e0ef3d776"], ["4dc289635", "5bc33cbea", "6e05b195d", "703b3fd5d", "7d43ca6fe", "db3eb0e82"]], "identity_text": "Harden PQescapeString and allied functions against invalidly-encoded input strings (Andres Freund, Noah Misch) Data-quoting functions supplied by libpq now fully check the encoding validity of their input. If invalid characters are detected, they report an error if possible. For the ones that lack an error return convention, the output string is adjusted to ensure that the server will report invalid encoding and no intervening processing will be fooled by bytes that might happen to match single quote, backslash, etc. The purpose of this change is to guard against SQL-injection attacks that are possible if one of these functions is used to quote crafted input. There is no hazard when the resulting string is sent directly to a PostgreSQL server (which would check its encoding anyway), but there is a risk when it is passed through psql or other client-side code. Historically such code has not carefully vetted encoding, and in many cases it's not clear what it should do if it did detect such a problem. This fix is effective only if the data-quoting function, the server, and any intermediate processing agree on the character encoding that's being used. Applications that insert untrusted input into SQL commands should take special care to ensure that that's true. Applications and drivers that quote untrusted input without using these libpq functions may be at risk of similar problems. They should first confirm the data is valid in the encoding expected by the server. The PostgreSQL Project thanks Stephen Fewer for reporting this problem. (CVE-2025-1094)", "commit_aliases": ["0075a5c6c", "00f1a1f66", "01784793f", "02d4d87ac", "05abb0f83", "2ae54ae17", "370c94d4c", "3e98c8ce5", "41343f840", "43a77239d", "46ddf98df", "4a6825c76", "4dc289635", "4ea3f5ef3", "56aa2dcdd", "5bc33cbea", "5bf12323b", "5dc1e42b4", "5df4e1632", "61ad93cdd", "6e05b195d", "703b3fd5d", "7beb2af5e", "7d43ca6fe", "85c1fcc65", "92e4170f4", "979205e47", "9862de917", "a085fa731", "ac00ff1c9", "b1756da75", "c906bfe1b", "db3eb0e82", "de4b92f33", "e0ef3d776", "e1f1b030d", "f9fceef6e"], "source_commits": ["00f1a1f66", "02d4d87ac", "05abb0f83", "43a77239d", "61ad93cdd", "7d43ca6fe", "85c1fcc65"], "source_entry_id": "17.3/changes/001", "db_id": "d394c7dd9345d5f8b712225bcd0d756b", "patch_ids": ["36d050a352e3681f016aae85ff33c242", "42bd3444d87759f098d683bb0621758f", "68db3958432c71bd49dc86922fdd9429", "a77ed2598533109291af8fa46693bc0f", "cb6e008bedd5c5651ea8f3a6308364cd", "ccab9b95f046d8825dd5e7383acac8d9", "cf569d785ea56dc3e8e51265eb2a2173"], "statement_hash": 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"/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-6f390eacbfd00623", "cves": [], "html": "Restore auto-truncation of database and user names appearing in connection requests (Nathan Bossart) §
\nThis reverts a v17 change that proved to cause trouble for some users. Over-length names should be truncated in an encoding-aware fashion, but for now just return to the former behavior of blind truncation at NAMEDATALEN-1 bytes.
Exclude parallel workers from connection privilege checks and limits (Tom Lane) §
\nDo not check datallowconn, rolcanlogin, and ACL_CONNECT privileges when starting a parallel worker, instead assuming that it's enough for the leader process to have passed similar checks originally. This avoids, for example, unexpected failures of parallelized queries when the leader is running as a role that lacks login privilege. In the same vein, enforce ReservedConnections, datconnlimit, and rolconnlimit limits only against regular backends, and count only regular backends while checking if the limits were already reached. Those limits are meant to prevent excessive consumption of process slots for regular backends --- but parallel workers and other special processes have their own pools of process slots with their own limit checks.
Drop “Lock” suffix from LWLock wait event names (Bertrand Drouvot) §
\nRefactoring unintentionally caused the pg_stat_activity view to show lock-related wait event names with a “Lock” suffix, which among other things broke joining it to pg_wait_events.
Fix possible failure to return all matching tuples for a btree index scan with a ScalarArrayOp (= ANY) condition (Peter Geoghegan) §
Fix possible re-use of stale results in window aggregates (David Rowley) §
\nA window aggregate with a “run condition” optimization and a pass-by-reference result type might incorrectly return the result from the previous partition instead of performing a fresh calculation.
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This oversight could permit a process to try to access data that had already been vacuumed away. One known consequence is transient “could not access status of transaction” errors.
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\nThis could result, for example, in failure to use a newly-created function within an existing session.
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", "text": "Fix data corruption when relation truncation fails (Thomas Munro) § § § The filesystem calls needed to perform relation truncation could fail, leaving inconsistent state on disk (for example, effectively reviving deleted data). We can't really prevent that, but we can recover by dint of making such failures into PANICs, so that consistency is restored by replaying from WAL up to just before the attempted truncation. 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We can't really prevent that, but we can recover by dint of making such failures into PANICs, so that consistency is restored by replaying from WAL up to just before the attempted truncation. 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\nThis avoids a race condition wherein the modified file might not get fsync'd before completing the checkpoint, creating a risk of data corruption if the operating system crashes soon after.
", "text": "Prevent checkpoints from starting during relation truncation (Robert Haas) § This avoids a race condition wherein the modified file might not get fsync'd before completing the checkpoint, creating a risk of data corruption if the operating system crashes soon after.", "title": "Prevent checkpoints from starting during relation truncation", "commits": ["d4ffbf47b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "3f6c02553679a5f3646c52a5348ca34a871d6622075f66d4ae764c5eaae004cc", "section_path": ["Changes"], "commit_groups": [["1168acbca", "75818b3af", "7d0b91a28", "a501fe5a9", "ad5aa7bfd", "d4ffbf47b"]], "identity_text": "Prevent checkpoints from starting during relation truncation (Robert Haas) This avoids a race condition wherein the modified file might not get fsync'd before completing the checkpoint, creating a risk of data corruption if the operating system crashes soon after.", "commit_aliases": ["1168acbca", "75818b3af", "7d0b91a28", "a501fe5a9", "ad5aa7bfd", "d4ffbf47b"], "source_commits": ["d4ffbf47b"], "source_entry_id": "17.3/changes/011", "db_id": "a574173fa6e03fae58fa4d27b0e1c766", "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d", "relations": [{"rule": 2, "type": "equivalent", "target": "470f2470a3f35434fb1d59ff2b3944f7", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}, {"rule": 2, "type": "equivalent", "target": "48e63346cf5f2bd983ad4aa906ad04c3", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}, {"rule": 2, "type": "equivalent", "target": "563d9f0f77b3eee26c49723296ec9b79", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}, {"rule": 2, "type": "equivalent", "target": "b014a39e8931c48ade8177ec91e5da8e", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}}], "version": "17.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "48e63346cf5f2bd983ad4aa906ad04c3", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=16.7#16.7-d552b4e09791f05c", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "470f2470a3f35434fb1d59ff2b3944f7", "kind": "equivalent", "version": "15.11", "label": "15.11", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=15.11#15.11-be8211ced912411c", "source_url": "/docs/release/15.11/#id-1.11.6.14.5"}, {"db_id": "563d9f0f77b3eee26c49723296ec9b79", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=14.16#14.16-c9b2392b6b20c044", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "b014a39e8931c48ade8177ec91e5da8e", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Prevent checkpoints from starting during relation truncation", "evidence": {"same_day": true, "patch_ids": ["c12b962bcfc7f1116a0a1e82ac97d466"], "statement_hash": "5a7f80ce273dd03c64be48fd9f34bac3e72ea14b376b7fd414f3f61971e9c70d"}, "url": "/docs/compare/?release=13.19#13.19-e9956e400bc3e5e5", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-8b723e176b0f446c", "cves": [], "html": "Avoid possibly losing an update of pg_database.datfrozenxid when VACUUM runs concurrently with a REASSIGN OWNED that changes that database's owner (Kirill Reshke) §
Fix incorrect tg_updatedcols values passed to AFTER UPDATE triggers (Tom Lane) §
In some cases the tg_updatedcols bitmap could describe the set of columns updated by an earlier command in the same transaction, fooling the trigger into doing the wrong thing.
Also, prevent memory bloat caused by making too many copies of the tg_updatedcols bitmap.
Fix detach of a partition that has its own foreign-key constraint referencing a partitioned table (Amul Sul) §
\nIn common cases, foreign keys are defined on a partitioned table's top level; but if instead one is defined on a partition and references a partitioned table, and the referencing partition is detached, the relevant pg_constraint entries were updated incorrectly. This led to errors like “could not find ON INSERT check triggers of foreign key constraint”.
Fix pg_get_constraintdef's support for NOT NULL constraints on domains (Álvaro Herrera) §
Fix mis-processing of to_timestamp's FF format codes (Tom Lane) §n
An integer format code immediately preceding FF would consume all available digits, leaving none for nFF.n
When deparsing a PASSING clause in a SQL/JSON query function, ensure that variable names are double-quoted when necessary (Dean Rasheed) §
When deparsing an XMLTABLE() expression, ensure that XML namespace names are double-quoted when necessary (Dean Rasheed) §
Include the ldapscheme option in pg_hba_file_rules() output (Laurenz Albe) § §
Fix planning of pre-sorted UNION operations for cases where the input column datatypes don't all match (David Rowley) §
This error could lead to sorting data with the wrong sort operator, with consequences ranging from no visible problem to core dumps.
", "text": "Fix planning of pre-sorted UNION operations for cases where the input column datatypes don't all match (David Rowley) § This error could lead to sorting data with the wrong sort operator, with consequences ranging from no visible problem to core dumps.", "title": "Fix planning of pre-sorted UNION operations for cases where the input column datatypes don't all match", "commits": ["5db9367e5"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "4c0fa1c7b9d6df170f277a1c62eea447879847ee1e64adc7e54a86b7ab814672", "section_path": ["Changes"], "commit_groups": [["231006451", "5db9367e5"]], "identity_text": "Fix planning of pre-sorted UNION operations for cases where the input column datatypes don't all match (David Rowley) This error could lead to sorting data with the wrong sort operator, with consequences ranging from no visible problem to core dumps.", "commit_aliases": ["231006451", "5db9367e5"], "source_commits": ["5db9367e5"], "source_entry_id": "17.3/changes/020", "db_id": "8a5b905645a09bdf8df8d30e0bf5ab9a", "patch_ids": ["39d0353486637aa5cf432e950d3cab85"], "statement_hash": "7518e261dc8a359ad3fb77473d13b675706f1c33ac3641455213b2d696d53732", "relations": [], "version": "17.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.3-755f2cde6c6720cf", "cves": [], "html": "Don't merge UNION operations if their column collations aren't consistent (Tom Lane) §
Previously we ignored collations when deciding if it's safe to merge UNION steps into a single N-way UNION operation. This was arguably valid before the introduction of nondeterministic collations, but it's not anymore, since the collation in use can affect the definition of uniqueness.
Prevent “wrong varnullingrels” planner errors after pulling up a subquery that's underneath an outer join (Tom Lane) § §
", "text": "Prevent “wrong varnullingrels” planner errors after pulling up a subquery that's underneath an outer join (Tom Lane) § §", "title": "Prevent “wrong varnullingrels” planner errors after pulling up a subquery that's underneath an outer join", "commits": ["72822a99d", "78883cd90"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "b7021901c6f06bdedffb57fac74f58843b40055f27086cb312a516b83b54d03a", "section_path": ["Changes"], "commit_groups": [["5c9d8636d", "72822a99d", "85990e2fd"], ["78883cd90", "7b456f040", "e032e4c7d"]], "identity_text": "Prevent wrong varnullingrels planner errors after pulling up a subquery that's underneath an outer join (Tom Lane)", "commit_aliases": ["5c9d8636d", "72822a99d", "78883cd90", "7b456f040", "85990e2fd", "e032e4c7d"], "source_commits": ["72822a99d", "78883cd90"], "source_entry_id": "17.3/changes/022", "db_id": "35d6fcb358c16df19f7c8d219cc311a2", "patch_ids": ["8779e21e34c76266f909cace4bf46334", "cca7c628610742166bcfeb586b971a8d"], "statement_hash": "e51cd2872d798cf56d5fea424d6e175ef48b4df7592c4a95a1c52e7ec692aaf5", "relations": [{"rule": 2, "type": "equivalent", "target": "15e3faca0d01e2124183a4fe2a717da7", "evidence": {"same_day": true, "patch_ids": ["8779e21e34c76266f909cace4bf46334", "cca7c628610742166bcfeb586b971a8d"], "statement_hash": "e51cd2872d798cf56d5fea424d6e175ef48b4df7592c4a95a1c52e7ec692aaf5"}}], "version": "17.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "15e3faca0d01e2124183a4fe2a717da7", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Prevent “wrong varnullingrels” planner errors after pulling up a subquery that's underneath an outer join", "evidence": {"same_day": true, "patch_ids": ["8779e21e34c76266f909cace4bf46334", "cca7c628610742166bcfeb586b971a8d"], "statement_hash": "e51cd2872d798cf56d5fea424d6e175ef48b4df7592c4a95a1c52e7ec692aaf5"}, "url": "/docs/compare/?release=16.7#16.7-2973a8b31584eb94", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}]}, {"id": "17.3-2052529fad628663", "cves": [], "html": "Ignore nulling-relation marker bits when looking up statistics (Richard Guo) §
\nThis oversight could lead to failure to use relevant statistics about expressions, or to “corrupt MVNDistinct entry” errors.
", "text": "Ignore nulling-relation marker bits when looking up statistics (Richard Guo) § This oversight could lead to failure to use relevant statistics about expressions, or to “corrupt MVNDistinct entry” errors.", "title": "Ignore nulling-relation marker bits when looking up statistics", "commits": ["297b280ab"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "51d6beafd80449489ed2b3975a5cd837086d8438ac4a09c2364b00b8e51df74b", "section_path": ["Changes"], "commit_groups": [["297b280ab", "a1a9120c7", "e28033fe1"]], "identity_text": "Ignore nulling-relation marker bits when looking up statistics (Richard Guo) This oversight could lead to failure to use relevant statistics about expressions, or to corrupt MVNDistinct entry errors.", "commit_aliases": ["297b280ab", "a1a9120c7", "e28033fe1"], "source_commits": ["297b280ab"], "source_entry_id": "17.3/changes/023", "db_id": "4a7b2af0753b35ec155e5155ce304110", "patch_ids": ["101d91c908f087d8a718ce1891305aaf"], "statement_hash": "6aeaa1d32c6cf0a1044a748ef2ee197c84c9ce13bc46ff0b73d099c2527f2951", "relations": [{"rule": 2, "type": "equivalent", "target": "256cc3b4dcc5eaf921a1d651a2c67e80", "evidence": {"same_day": true, "patch_ids": ["101d91c908f087d8a718ce1891305aaf"], "statement_hash": "6aeaa1d32c6cf0a1044a748ef2ee197c84c9ce13bc46ff0b73d099c2527f2951"}}], "version": "17.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "256cc3b4dcc5eaf921a1d651a2c67e80", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Ignore nulling-relation marker bits when looking up statistics", "evidence": {"same_day": true, "patch_ids": ["101d91c908f087d8a718ce1891305aaf"], "statement_hash": "6aeaa1d32c6cf0a1044a748ef2ee197c84c9ce13bc46ff0b73d099c2527f2951"}, "url": "/docs/compare/?release=16.7#16.7-686d9c5e0e07b261", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}]}, {"id": "17.3-13c2873d21939448", "cves": [], "html": "Fix missed expression processing for partition pruning steps (Tom Lane) §
\nThis oversight could lead to “unrecognized node type” errors, and perhaps other problems, in queries accessing partitioned tables.
", "text": "Fix missed expression processing for partition pruning steps (Tom Lane) § This oversight could lead to “unrecognized node type” errors, and perhaps other problems, in queries accessing partitioned tables.", "title": "Fix missed expression processing for partition pruning steps", "commits": ["0671a71e0"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "b1e70c8965fb45c0ec3a66a77ba906db8ec212a8dfd6b29112db0977e2024d2e", "section_path": ["Changes"], "commit_groups": [["0671a71e0", "45004f527", "5f725648f", "724ebebb1", "94c02bd33", "bf826ea06"]], "identity_text": "Fix missed expression processing for partition pruning steps (Tom Lane) This oversight could lead to unrecognized node type errors, and perhaps other problems, in queries accessing partitioned tables.", "commit_aliases": ["0671a71e0", "45004f527", "5f725648f", "724ebebb1", "94c02bd33", "bf826ea06"], "source_commits": ["0671a71e0"], "source_entry_id": "17.3/changes/024", "db_id": "54bec316da2ce059adbac0a0dbc8e9b6", "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b", "relations": [{"rule": 2, "type": "equivalent", "target": "64aaf6067e2f499a849b519969ab7e4b", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}, {"rule": 2, "type": "equivalent", "target": "92378b1193935bbe98423ded57c0f7a0", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}, {"rule": 2, "type": "equivalent", "target": "d03371888cc7150b3deafc4ad1b65c61", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}, {"rule": 2, "type": "equivalent", "target": "f57a46c5163b3e5919b130be79f25ce5", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}}], "version": "17.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "92378b1193935bbe98423ded57c0f7a0", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=16.7#16.7-7e432f19a9f91448", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "f57a46c5163b3e5919b130be79f25ce5", "kind": "equivalent", "version": "15.11", "label": "15.11", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=15.11#15.11-126d9ceb0a19d1f7", "source_url": "/docs/release/15.11/#id-1.11.6.14.5"}, {"db_id": "d03371888cc7150b3deafc4ad1b65c61", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=14.16#14.16-e76cb5deecce3a19", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "64aaf6067e2f499a849b519969ab7e4b", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Fix missed expression processing for partition pruning steps", "evidence": {"same_day": true, "patch_ids": ["5551cc7fd0dd9d66c578783ac84f1896"], "statement_hash": "a179f258a05f2c3cfdf6806107736461e71d0130f204ff5a764c84b4d924406b"}, "url": "/docs/compare/?release=13.19#13.19-bb60e571dcd1116e", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-7c4722ae3aba8c2f", "cves": [], "html": "Give the slotsync worker process its own process slot (Tom Lane, Hou Zhijie) §
\nThis was overlooked in the addition of the slotsync worker, with the result that its process slot effectively came out of the pool meant for regular backend processes. This could result in failure to launch the worker, or to subsequent failures of connection requests that should have succeeded according to the configured settings, if the number of regular backend processes approached max_connections.
Allow dshash tables to grow past 1GB (Matthias van de Meent) §
\nThis avoids errors like “invalid DSA memory alloc request size”. The case can occur for example in transactions that process several million tables.
", "text": "Allow dshash tables to grow past 1GB (Matthias van de Meent) § This avoids errors like “invalid DSA memory alloc request size”. The case can occur for example in transactions that process several million tables.", "title": "Allow dshash tables to grow past 1GB", "commits": ["18452b70a"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "2f6a08495b4a911652bcf7129394e8650e488370a5acec8ea19ec4db7568c105", "section_path": ["Changes"], "commit_groups": [["18452b70a", "2a7402322", "84dc1303c", "84f1b0b03", "853cef097", "9f7b7d516"]], "identity_text": "Allow dshash tables to grow past 1GB (Matthias van de Meent) This avoids errors like invalid DSA memory alloc request size. The case can occur for example in transactions that process several million tables.", "commit_aliases": ["18452b70a", "2a7402322", "84dc1303c", "84f1b0b03", "853cef097", "9f7b7d516"], "source_commits": ["18452b70a"], "source_entry_id": "17.3/changes/026", "db_id": "6356be9dc3a4ccb3d25583a601b052d7", "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8", "relations": [{"rule": 2, "type": "equivalent", "target": "559be1008e5dc3b8471a163d74e0e555", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}}, {"rule": 2, "type": "equivalent", "target": "c1707a3dbd154a011972a406a0fe3177", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}}, {"rule": 2, "type": "equivalent", "target": "c32bee4d5d51b2dfdb45db1d2db22cb1", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}}, {"rule": 2, "type": "equivalent", "target": "c51c9c918546c72f7a773592db3d7108", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}}], "version": "17.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c1707a3dbd154a011972a406a0fe3177", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Allow dshash tables to grow past 1GB", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}, "url": "/docs/compare/?release=16.7#16.7-0c925e1e9ecd0922", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "c32bee4d5d51b2dfdb45db1d2db22cb1", "kind": "equivalent", "version": "15.11", "label": "15.11", "title": "Allow dshash tables to grow past 1GB", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}, "url": "/docs/compare/?release=15.11#15.11-bd0deef2a9ca340c", "source_url": "/docs/release/15.11/#id-1.11.6.14.5"}, {"db_id": "559be1008e5dc3b8471a163d74e0e555", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Allow dshash tables to grow past 1GB", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}, "url": "/docs/compare/?release=14.16#14.16-d37432d80add9128", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "c51c9c918546c72f7a773592db3d7108", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Allow dshash tables to grow past 1GB", "evidence": {"same_day": true, "patch_ids": ["4a1c75d9a6546bdd5d261ba5d3a227c1"], "statement_hash": "faf10a7922a2f18a9774d93e321afa5a0c92f8c3c8987552c55415bd13c387e8"}, "url": "/docs/compare/?release=13.19#13.19-6c810fa8b81fd565", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-a04d6e576513146f", "cves": [], "html": "Avoid possible integer overflow in bringetbitmap() (James Hunter, Evgeniy Gorbanyov) §
Since the result is only used for statistical purposes, the effects of this error were mostly cosmetic.
", "text": "Avoid possible integer overflow in bringetbitmap() (James Hunter, Evgeniy Gorbanyov) § Since the result is only used for statistical purposes, the effects of this error were mostly cosmetic.", "title": "Avoid possible integer overflow in bringetbitmap()", "commits": ["e027ee990"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "db1e247a656bf848d0c8903fb2b67adb5c3c1a36ad4331b143343f6dd458430d", "section_path": ["Changes"], "commit_groups": [["332023e2d", "720e52984", "9e9f30139", "bfda7d8dd", "e027ee990", "e35ff6520"]], "identity_text": "Avoid possible integer overflow in bringetbitmap() (James Hunter, Evgeniy Gorbanyov) Since the result is only used for statistical purposes, the effects of this error were mostly cosmetic.", "commit_aliases": ["332023e2d", "720e52984", "9e9f30139", "bfda7d8dd", "e027ee990", "e35ff6520"], "source_commits": ["e027ee990"], "source_entry_id": "17.3/changes/027", "db_id": "3382e0a80f8ca0563eb8cac40f2d851b", "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec", "relations": [{"rule": 2, "type": "equivalent", "target": "1fe83d7e0b7aa17a1f0f729b4a0c12f0", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}, {"rule": 2, "type": "equivalent", "target": "3c029255e641bec15f2ee6842ff93a77", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}, {"rule": 2, "type": "equivalent", "target": "4c0001cec4b021e935b71b3a37aa73fe", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}, {"rule": 2, "type": "equivalent", "target": "921aaf580d2aca9ce93450c0492e7423", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}}], "version": "17.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "921aaf580d2aca9ce93450c0492e7423", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=16.7#16.7-b97ed85237994136", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "1fe83d7e0b7aa17a1f0f729b4a0c12f0", "kind": "equivalent", "version": "15.11", "label": "15.11", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=15.11#15.11-4f9db6103a233435", "source_url": "/docs/release/15.11/#id-1.11.6.14.5"}, {"db_id": "4c0001cec4b021e935b71b3a37aa73fe", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=14.16#14.16-b175488683721a19", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "3c029255e641bec15f2ee6842ff93a77", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Avoid possible integer overflow in bringetbitmap()", "evidence": {"same_day": true, "patch_ids": ["43a263cfc4076d37afa82ad82a07bdb5"], "statement_hash": "0df21d34231d373da53a6bee55e2b328ac8048d21323da7f65a482bc0db673ec"}, "url": "/docs/compare/?release=13.19#13.19-65695708975bb439", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-c2f171528715b535", "cves": [], "html": "Correct miscalculation of SLRU bank numbers (Yura Sokolov) §
\nThis error led to using a smaller number of banks than intended, causing more contention but no functional misbehavior.
", "text": "Correct miscalculation of SLRU bank numbers (Yura Sokolov) § This error led to using a smaller number of banks than intended, causing more contention but no functional misbehavior.", "title": "Correct miscalculation of SLRU bank numbers", "commits": ["ffd9b8134"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "82a10634e470f5b993f3a964eeb4c10caf067817cbe0e1eabd472f9c9963c7c6", "section_path": ["Changes"], "commit_groups": [["69ab44651", "ffd9b8134"]], "identity_text": "Correct miscalculation of SLRU bank numbers (Yura Sokolov) This error led to using a smaller number of banks than intended, causing more contention but no functional misbehavior.", "commit_aliases": ["69ab44651", "ffd9b8134"], "source_commits": ["ffd9b8134"], "source_entry_id": "17.3/changes/028", "db_id": "216f0c7358444cb2df9e276de347f887", "patch_ids": ["299e029e15e9d372c2d63ff539321951"], "statement_hash": "6ba7796d82c715c0dccbd07be182a9adcaad244e491ba9f29c43e6d88d277ecf", "relations": [], "version": "17.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.3-2f52ccd04b3c82e8", "cves": [], "html": "Ensure that an already-set process latch doesn't prevent the postmaster from noticing socket events (Thomas Munro) §
\nAn extremely heavy workload of backends launching workers and workers exiting could prevent the postmaster from responding to incoming client connections in a timely fashion.
", "text": "Ensure that an already-set process latch doesn't prevent the postmaster from noticing socket events (Thomas Munro) § An extremely heavy workload of backends launching workers and workers exiting could prevent the postmaster from responding to incoming client connections in a timely fashion.", "title": "Ensure that an already-set process latch doesn't prevent the postmaster from noticing socket events", "commits": ["44f400fbc"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "a75cdcaba96806a11c4fe2d50e5c586d1a28448e45f208e12b67aa2f5acb8d72", "section_path": ["Changes"], "commit_groups": [["44f400fbc", "73f6b9a3b", "b4b52c911"]], "identity_text": "Ensure that an already-set process latch doesn't prevent the postmaster from noticing socket events (Thomas Munro) An extremely heavy workload of backends launching workers and workers exiting could prevent the postmaster from responding to incoming client connections in a timely fashion.", "commit_aliases": ["44f400fbc", "73f6b9a3b", "b4b52c911"], "source_commits": ["44f400fbc"], "source_entry_id": "17.3/changes/029", "db_id": "0aeeea30a1398421ffc19c9b88e3d47d", "patch_ids": ["26f3c294fc4c7a4dc5f79c68f8c5e836"], "statement_hash": "7043ffdabadf088472c9cf1cc1be25f1750238a6e51989cbe311cbc8af37dbf1", "relations": [{"rule": 2, "type": "equivalent", "target": "58f560957a49bc1a7b13f51ab753f20d", "evidence": {"same_day": true, "patch_ids": ["26f3c294fc4c7a4dc5f79c68f8c5e836"], "statement_hash": "7043ffdabadf088472c9cf1cc1be25f1750238a6e51989cbe311cbc8af37dbf1"}}], "version": "17.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "58f560957a49bc1a7b13f51ab753f20d", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Ensure that an already-set process latch doesn't prevent the postmaster from noticing socket events", "evidence": {"same_day": true, "patch_ids": ["26f3c294fc4c7a4dc5f79c68f8c5e836"], "statement_hash": "7043ffdabadf088472c9cf1cc1be25f1750238a6e51989cbe311cbc8af37dbf1"}, "url": "/docs/compare/?release=16.7#16.7-c9b569de46610159", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}]}, {"id": "17.3-e9e73d99c1cfb098", "cves": [], "html": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages (Kyotaro Horiguchi, Alexander Kukushkin) §
\nThis would happen when the record's continuation is on a page that needs to be read from a different WAL source.
", "text": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages (Kyotaro Horiguchi, Alexander Kukushkin) § This would happen when the record's continuation is on a page that needs to be read from a different WAL source.", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "commits": ["e6767c0ed"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "a1050799aa81cb51f035413fc9678175572d40e2f730dcf3275fe19b5470294f", "section_path": ["Changes"], "commit_groups": [["0f0431e91", "26554facc", "2c2e1d4f4", "6cf1647d8", "a2d4f806c", "e6767c0ed"]], "identity_text": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages (Kyotaro Horiguchi, Alexander Kukushkin) This would happen when the record's continuation is on a page that needs to be read from a different WAL source.", "commit_aliases": ["0f0431e91", "26554facc", "2c2e1d4f4", "6cf1647d8", "a2d4f806c", "e6767c0ed"], "source_commits": ["e6767c0ed"], "source_entry_id": "17.3/changes/030", "db_id": "6659c5f8e0df6f1f962f8df015c68b49", "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac", "relations": [{"rule": 2, "type": "equivalent", "target": "44f9cbeda7bc216ab467698d3eef592e", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}, {"rule": 2, "type": "equivalent", "target": "67dafb471f2271a6320dfe0f290a0ce0", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}, {"rule": 2, "type": "equivalent", "target": "76f611c374c0323f13dc341fb4721c32", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}, {"rule": 2, "type": "equivalent", "target": "fdc72a7668046cce65c8c39dedeb9249", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}}], "version": "17.3", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "44f9cbeda7bc216ab467698d3eef592e", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=16.7#16.7-df1eee243145f866", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "67dafb471f2271a6320dfe0f290a0ce0", "kind": "equivalent", "version": "15.11", "label": "15.11", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=15.11#15.11-9354a205b1e1b91e", "source_url": "/docs/release/15.11/#id-1.11.6.14.5"}, {"db_id": "76f611c374c0323f13dc341fb4721c32", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=14.16#14.16-b3b12c0bad0d0bc8", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "fdc72a7668046cce65c8c39dedeb9249", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Prevent streaming standby servers from looping infinitely when reading a WAL record that crosses pages", "evidence": {"same_day": true, "patch_ids": ["6bd1862645031c383d6f5fa3e87d128a"], "statement_hash": "8163d04f4c6709be020365b3558ab3cfb180c7df4e85776a541cc615047564ac"}, "url": "/docs/compare/?release=13.19#13.19-4169e9202c255d82", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-96bd4a8fad85c533", "cves": [], "html": "Fix unintended promotion of FATAL errors to PANIC during early process startup (Noah Misch) §
\nThis fixes some unlikely cases that would result in “PANIC: proc_exit() called in child process”.
", "text": "Fix unintended promotion of FATAL errors to PANIC during early process startup (Noah Misch) § This fixes some unlikely cases that would result in “PANIC: proc_exit() called in child process”.", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "commits": ["4bd9de3f4"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "ccd86924ca15135af1380f6a6732387e0b1bcec3599ef597288229d498ead1d5", "section_path": ["Changes"], "commit_groups": [["315264d70", "4bd9de3f4", "6151769f6", "839da50bd", "8b9cbf492", "ac4a2b403"]], "identity_text": "Fix unintended promotion of FATAL errors to PANIC during early process startup (Noah Misch) This fixes some unlikely cases that would result in PANIC: proc_exit() called in child process.", "commit_aliases": ["315264d70", "4bd9de3f4", "6151769f6", "839da50bd", "8b9cbf492", "ac4a2b403"], "source_commits": ["4bd9de3f4"], "source_entry_id": "17.3/changes/031", "db_id": "93eca6f7915b54f74b93e375c2513842", "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4", "relations": [{"rule": 2, "type": "equivalent", "target": "b14c042be747a937c3c74162b1b09321", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}, {"rule": 2, "type": "equivalent", "target": "da9210bd08299df78861342f7e09c5d9", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}, {"rule": 2, "type": "equivalent", "target": "f984d853bfadab0b79bd0501cc75f59c", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}, {"rule": 2, "type": "equivalent", "target": "fc52476d2fcf5579cadcfd273916020c", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}}], "version": "17.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "b14c042be747a937c3c74162b1b09321", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=16.7#16.7-795da8c683c4ad88", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}, {"db_id": "da9210bd08299df78861342f7e09c5d9", "kind": "equivalent", "version": "15.11", "label": "15.11", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=15.11#15.11-e74c5a37c2620a7b", "source_url": "/docs/release/15.11/#id-1.11.6.14.5"}, {"db_id": "f984d853bfadab0b79bd0501cc75f59c", "kind": "equivalent", "version": "14.16", "label": "14.16", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=14.16#14.16-a449a8f550e33341", "source_url": "/docs/release/14.16/#id-1.11.6.14.5"}, {"db_id": "fc52476d2fcf5579cadcfd273916020c", "kind": "equivalent", "version": "13.19", "label": "13.19", "title": "Fix unintended promotion of FATAL errors to PANIC during early process startup", "evidence": {"same_day": true, "patch_ids": ["3dc2ed380d29cd0391ceb9c75aa1e4af"], "statement_hash": "bb23336aef9609b55069d3a3682e82c4adb4c0d727e67333f854df824add2da4"}, "url": "/docs/compare/?release=13.19#13.19-e7ab576b34d2feae", "source_url": "/docs/release/13.19/#id-1.11.6.10.6"}]}, {"id": "17.3-c6abed0f8e2bb3a8", "cves": [], "html": "Fix cases where an operator family member operator or support procedure could become a dangling reference (Tom Lane) § §
\nIn some cases a data type could be dropped while references to its OID still remain in pg_amop or pg_amproc. While that caused no immediate issues, an attempt to drop the owning operator family would fail, and pg_dump would produce bogus output when dumping the operator family. This fix causes creation and modification of operator families/classes to add needed dependency entries so that dropping a data type will also drop any dependent operator family elements. That does not help vulnerable pre-existing operator families, though, so a band-aid has also been added to DROP OPERATOR FAMILY to prevent failure when dropping a family that has dangling members.
Fix multiple memory leaks in logical decoding output (Vignesh C, Masahiko Sawada, Boyu Yang) § § §
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memory leak when updating the application_name or cluster_name settings (Tofig Aliev) §
Avoid crash when a background process tries to check a new value of synchronized_standby_slots (Álvaro Herrera) §
Avoid integer overflow while testing wal_skip_threshold condition (Tom Lane) §
A transaction that created a very large relation could mistakenly decide to ensure durability by copying the relation into WAL instead of fsync'ing it, thereby negating the point of wal_skip_threshold. (This only matters when wal_level is set to minimal, else a WAL copy is required anyway.)
Fix unsafe order of operations during cache lookups (Noah Misch) §
\nThe only known consequence was a usually-harmless “you don't own a lock of type ExclusiveLock” warning during GRANT TABLESPACE.
Avoid potential use-after-free in parallel vacuum (Vallimaharajan G, John Naylor) §
\nThis bug seems to have no consequences in standard builds, but it's theoretically a hazard.
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\nThis could occur as a consequence of inconsistency about the default setting of -moutline-atomics between gcc and clang. At least Debian and Ubuntu are known to ship gcc and clang compilers that target armv8-a but differ on the use of outline atomics by default.
Fix assertion failure in WITH RECURSIVE ... UNION queries (David Rowley) §
Avoid assertion failure in rule deparsing if a set operation leaf query contains set operations (Man Zeng, Tom Lane) §
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\nRepeated use of PLyPlan.execute or plpy.cursor resulted in memory leakage for the duration of the calling PL/Python function.
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Add psql tab completion for COPY (MERGE INTO) (Jian He) §
Fix use of wrong version of pqsignal() in pgbench and psql (Fujii Masao, Tom Lane) §
This error could lead to misbehavior when using the -T option in pgbench or the \\watch command in psql, due to interrupted system calls not being resumed as expected.
Fix misexecution of some nested \\if constructs in pgbench (Michail Nikolaev) §
An \\if command appearing within a false (not-being-executed) \\if branch was incorrectly treated the same as \\elif.
In pgbench, fix possible misdisplay of progress messages during table initialization (Yushi Ogiwara, Tatsuo Ishii, Fujii Masao) § §
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Since pg_controldata will attempt to print the contents of pg_control even if the CRC check fails, it must take care not to misbehave for invalid field values. This patch fixes some issues triggered by invalid timestamps and apparently-negative WAL segment sizes.
Fix possible crash in pg_dump with identity sequences attached to tables that are extension members (Tom Lane) §
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\nThe leak was per-decompression-operation, so would be most noticeable with a dump containing many tables or large objects.
", "text": "Fix memory leak in pg_restore with zstd-compressed data (Tom Lane) § The leak was per-decompression-operation, so would be most noticeable with a dump containing many tables or large objects.", "title": "Fix memory leak in pg_restore with zstd-compressed data", "commits": ["04b860198"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.3/#RELEASE-17-3-CHANGES", "source_hash": "ec17e10801801cf4e0d872fd910b1d466ca1e96fc7118f575f872461ff3f8f38", "section_path": ["Changes"], "commit_groups": [["04b860198", "3f0632470", "8cfff087b"]], "identity_text": "Fix memory leak in pg_restore with zstd-compressed data (Tom Lane) The leak was per-decompression-operation, so would be most noticeable with a dump containing many tables or large objects.", "commit_aliases": ["04b860198", "3f0632470", "8cfff087b"], "source_commits": ["04b860198"], "source_entry_id": "17.3/changes/060", "db_id": "adb5998aed434cca9c15b8fd23383274", "patch_ids": ["7eb6902f7552709b0ef56d1ac3fb0aad"], "statement_hash": "4fe197941538b9a34f6e43181edb550ddf8c6a08d9b4475398ab4c5536c2816f", "relations": [{"rule": 2, "type": "equivalent", "target": "cad2e74ea43f4fcfbec539f141f9d823", "evidence": {"same_day": true, "patch_ids": ["7eb6902f7552709b0ef56d1ac3fb0aad"], "statement_hash": "4fe197941538b9a34f6e43181edb550ddf8c6a08d9b4475398ab4c5536c2816f"}}], "version": "17.3", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "cad2e74ea43f4fcfbec539f141f9d823", "kind": "equivalent", "version": "16.7", "label": "16.7", "title": "Fix memory leak in pg_restore with zstd-compressed data", "evidence": {"same_day": true, "patch_ids": ["7eb6902f7552709b0ef56d1ac3fb0aad"], "statement_hash": "4fe197941538b9a34f6e43181edb550ddf8c6a08d9b4475398ab4c5536c2816f"}, "url": "/docs/compare/?release=16.7#16.7-a9fdcc16c16b7460", "source_url": "/docs/release/16.7/#RELEASE-16-7-CHANGES"}]}, {"id": "17.3-b502208598d05e25", "cves": [], "html": "Fix pg_basebackup to correctly handle pg_wal.tar files exceeding 2GB on Windows (Davinder Singh, Thomas Munro) § §
Use SQL-standard function bodies in the declarations of contrib/earthdistance's SQL-language functions (Tom Lane, Ronan Dunklau) §
This change allows their references to contrib/cube to be resolved during extension creation, reducing the risk of search-path-based failures and possible attacks.
In particular, this restores their usability in contexts like generated columns, for which PostgreSQL v17 restricts the search path on security grounds. We have received reports of databases failing to be upgraded to v17 because of that. This patch has been included in v16 to provide a workaround: updating the earthdistance extension to this version beforehand should allow an upgrade to succeed.
Detect version mismatch between contrib/pageinspect's SQL declarations and the underlying shared library (Tomas Vondra) §
Previously, such a mismatch could result in a crash while calling brin_page_items(). Instead throw an error recommending updating the extension.
When trying to cancel a remote query in contrib/postgres_fdw, re-issue the cancel request a few times if it didn't seem to do anything (Tom Lane) §
This fixes a race condition where we might try to cancel a just-sent query before the remote server has started to process it, so that the initial cancel request is ignored.
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Fix meson build system to support old OpenSSL libraries on Windows (Darek Slusarczyk) §
\nAdd support for the legacy library names ssleay32 and libeay32.
In Windows builds using meson, ensure all libcommon and libpgport functions are exported (Vladlen Popolitov, Heikki Linnakangas) § §
\nThis fixes “unresolved external symbol” build errors for extensions.
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When building with meson, install pgevent in pkglibdir not bindir (Peter Eisentraut) §
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"migration_html": "A dump/restore is not required for those running 17.X.
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Last week's minor releases unintentionally broke binary compatibility with timescaledb and several other extensions. Restore the affected structure to its previous size, so that such extensions need not be rebuilt.
", "text": "Repair ABI break for extensions that work with struct ResultRelInfo (Tom Lane) § Last week's minor releases unintentionally broke binary compatibility with timescaledb and several other extensions. Restore the affected structure to its previous size, so that such extensions need not be rebuilt.", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "commits": ["6bfacd368"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.2/#RELEASE-17-2-CHANGES", "source_hash": "873ea5c44787337a288e47c3062d4c858c30dd2e00093c9418693256e15ee3d2", "section_path": ["Changes"], "commit_groups": [["099e711b7", "17db248f3", "6bfacd368", "ee33d5847"]], "identity_text": "Repair ABI break for extensions that work with struct ResultRelInfo (Tom Lane) Last week's minor releases unintentionally broke binary compatibility with timescaledb and several other extensions. Restore the affected structure to its previous size, so that such extensions need not be rebuilt.", "commit_aliases": ["099e711b7", "17db248f3", "6bfacd368", "ee33d5847"], "source_commits": ["6bfacd368"], "source_entry_id": "17.2/changes/001", "db_id": "a929df65b7c7dd604ebadc2316aa26ac", "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848", "relations": [{"rule": 2, "type": "equivalent", "target": "168f409145dd973b0f389e0faa385826", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}}, {"rule": 2, "type": "equivalent", "target": "69437a2d1a205badf04c74ff87163e3e", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}}, {"rule": 2, "type": "equivalent", "target": "de763be496358f3e7348203940378465", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}}], "version": "17.2", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "69437a2d1a205badf04c74ff87163e3e", "kind": "equivalent", "version": "16.6", "label": "16.6", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}, "url": "/docs/compare/?release=16.6#16.6-789af84344fc2dcd", "source_url": "/docs/release/16.6/#RELEASE-16-6-CHANGES"}, {"db_id": "168f409145dd973b0f389e0faa385826", "kind": "equivalent", "version": "15.10", "label": "15.10", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}, "url": "/docs/compare/?release=15.10#15.10-33aa2cbd75ac71f6", "source_url": "/docs/release/15.10/#id-1.11.6.15.5"}, {"db_id": "de763be496358f3e7348203940378465", "kind": "equivalent", "version": "14.15", "label": "14.15", "title": "Repair ABI break for extensions that work with struct ResultRelInfo", "evidence": {"same_day": true, "patch_ids": ["612d102f28be68bf35b173df20386d6f"], "statement_hash": "859ff305652623150b34f958dd3fd907284fe1adb5201317f90d73b2a4245848"}, "url": "/docs/compare/?release=14.15#14.15-993119bae55151c8", "source_url": "/docs/release/14.15/#id-1.11.6.15.5"}]}, {"id": "17.2-d77293a82e3a14e5", "cves": ["CVE-2024-10978"], "html": "Restore functionality of ALTER {ROLE|DATABASE} SET role (Tom Lane, Noah Misch) §
The fix for CVE-2024-10978 accidentally caused settings for role to not be applied if they come from non-interactive sources, including previous ALTER {ROLE|DATABASE} commands and the PGOPTIONS environment variable.
Fix cases where a logical replication slot's restart_lsn could go backwards (Masahiko Sawada) §
Previously, restarting logical replication could sometimes cause the slot's restart point to be recomputed as an older value than had previously been advertised in pg_replication_slots. This is bad, since for example WAL files might have been removed on the basis of the later restart_lsn value, in which case replication would fail to restart.
Avoid deleting still-needed WAL files during pg_rewind (Polina Bungina, Alexander Kukushkin) §
\nPreviously, in unlucky cases, it was possible for pg_rewind to remove important WAL files from the rewound demoted primary. In particular this happens if those files have been marked for archival (i.e., their .ready files were created) but not yet archived. Then the newly promoted node no longer has such files because of them having been recycled, but likely they are needed for recovery in the demoted node. If pg_rewind removes them, recovery is not possible anymore.
Fix race conditions associated with dropping shared statistics entries (Kyotaro Horiguchi, Michael Paquier) §
\nThese bugs could lead to loss of statistics data, assertion failures, or “can only drop stats once” errors.
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Fix crash when checking to see if an index's opclass options have changed (Alexander Korotkov) §
\nSome forms of ALTER TABLE would fail if the table has an index with non-default operator class options.
Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing (Tom Lane) §
\nThis bug does not appear to have any visible consequences in non-assert builds.
", "text": "Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing (Tom Lane) § This bug does not appear to have any visible consequences in non-assert builds.", "title": "Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing", "commits": ["5f28e6ba7"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.2/#RELEASE-17-2-CHANGES", "source_hash": "33068f2046385c1e45167cf0dbbde6f7239485c5e283df5f41ff663a1c653d50", "section_path": ["Changes"], "commit_groups": [["2496c3f6f", "2bdd3b248", "5f28e6ba7", "b6312becc", "b69bdcee9"]], "identity_text": "Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing (Tom Lane) This bug does not appear to have any visible consequences in non-assert builds.", "commit_aliases": ["2496c3f6f", "2bdd3b248", "5f28e6ba7", "b6312becc", "b69bdcee9"], "source_commits": ["5f28e6ba7"], "source_entry_id": "17.2/changes/008", "db_id": "7132e8ee5e563160e4af1338d1453f50", "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004", "relations": [{"rule": 2, "type": "equivalent", "target": "94a032b95e9db1fe83976fb39e718933", "evidence": {"same_day": true, "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004"}}, {"rule": 2, "type": "equivalent", "target": "bf21d683f8d0d96f9d055bb4bef1de43", "evidence": {"same_day": true, "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004"}}, {"rule": 2, "type": "equivalent", "target": "ed482b33005a888ec593b9b1ccf803d9", "evidence": {"same_day": true, "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004"}}], "version": "17.2", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "bf21d683f8d0d96f9d055bb4bef1de43", "kind": "equivalent", "version": "16.6", "label": "16.6", "title": "Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing", "evidence": {"same_day": true, "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004"}, "url": "/docs/compare/?release=16.6#16.6-2bddeab9fc0ea18f", "source_url": "/docs/release/16.6/#RELEASE-16-6-CHANGES"}, {"db_id": "ed482b33005a888ec593b9b1ccf803d9", "kind": "equivalent", "version": "15.10", "label": "15.10", "title": "Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing", "evidence": {"same_day": true, "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004"}, "url": "/docs/compare/?release=15.10#15.10-8a351c4062ed4ce2", "source_url": "/docs/release/15.10/#id-1.11.6.15.5"}, {"db_id": "94a032b95e9db1fe83976fb39e718933", "kind": "equivalent", "version": "14.15", "label": "14.15", "title": "Avoid assertion failure caused by disconnected NFA sub-graphs in regular expression parsing", "evidence": {"same_day": true, "patch_ids": ["19538ff2c32bf0b4ca538086ddf05ea3"], "statement_hash": "45e3edda123c32ef78cc61b1940f226e0b09d3402295f9f29cab4d764529d004"}, "url": "/docs/compare/?release=14.15#14.15-43c204e1b7fb072b", "source_url": "/docs/release/14.15/#id-1.11.6.15.5"}]}]}, {"date": "2024-11-14", "build": "17.1", "major": "17", "minor": 1, "manual": "17", "status": "stable", "doc_git": "", "version": "17.1", "eol_date": "2029-11-08", "date_text": "2024-11-14", "supported": true, "manual_url": "/docs/17/release-17-1.html", "source_url": "/docs/release/17.1/", "entry_count": 41, "placeholder": false, "content_hash": "245d6a7fb5ae4b57757c866ac474736fb3a26ca14742d4d12e59c6b61d3351b2", "manual_build": "17.11", "source_as_of": "", "changes_count": 41, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "A dump/restore is not required for those running 17.X.
\nHowever, if you have ever detached a partition from a partitioned table that has a foreign-key reference to another partitioned table, and not dropped the former partition, then you may have catalog and/or data corruption to repair, as detailed in the fifth changelog entry below.
\nAlso, in the uncommon case that a database's LC_CTYPE setting is C while its LC_COLLATE setting is some other locale, indexes on textual columns should be reindexed, as described in the sixth changelog entry below.
Ensure cached plans are marked as dependent on the calling role when RLS applies to a non-top-level table reference (Nathan Bossart) §
\nIf a CTE, subquery, sublink, security invoker view, or coercion projection in a query references a table with row-level security policies, we neglected to mark the resulting plan as potentially dependent on which role is executing it. This could lead to later query executions in the same session using the wrong plan, and then returning or hiding rows that should have been hidden or returned instead.
\nThe PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2024-10976)
", "text": "Ensure cached plans are marked as dependent on the calling role when RLS applies to a non-top-level table reference (Nathan Bossart) § If a CTE, subquery, sublink, security invoker view, or coercion projection in a query references a table with row-level security policies, we neglected to mark the resulting plan as potentially dependent on which role is executing it. This could lead to later query executions in the same session using the wrong plan, and then returning or hiding rows that should have been hidden or returned instead. The PostgreSQL Project thanks Wolfgang Walther for reporting this problem. (CVE-2024-10976)", "title": "Ensure cached plans are marked as dependent on the calling role when RLS applies to a non-top-level table reference", "commits": ["edcda9bb4"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "57dabc10d6d81974a93e1fec7bcfbb528d2cdb9b2a97d4af4c5adb3d6c0daa23", "section_path": ["Changes"], "commit_groups": [["448525e8a", "4e51030af", "562289460", "6db5ea8de", "952ff31e2", "cd7ab5753", "edcda9bb4"]], "identity_text": "Ensure cached plans are marked as dependent on the calling role when RLS applies to a non-top-level table reference (Nathan Bossart) If a CTE, subquery, sublink, security invoker view, or coercion projection in a query references a table with row-level security policies, we neglected to mark the resulting plan as potentially dependent on which role is executing it. This could lead to later query executions in the same session using the wrong plan, and then returning or hiding rows that should have been hidden or returned instead. The PostgreSQL Project thanks Wolfgang Walther for reporting this problem. 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\nAn error message received before encryption negotiation is completed might have been injected by a man-in-the-middle, rather than being real server output. Reporting it opens the door to various security hazards; for example, the message might spoof a query result that a careless user could mistake for correct output. The best answer seems to be to discard such data and rely only on libpq's own report of the connection failure.
\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2024-10977)
", "text": "Make libpq discard error messages received during SSL or GSS protocol negotiation (Jacob Champion) § An error message received before encryption negotiation is completed might have been injected by a man-in-the-middle, rather than being real server output. Reporting it opens the door to various security hazards; for example, the message might spoof a query result that a careless user could mistake for correct output. The best answer seems to be to discard such data and rely only on libpq's own report of the connection failure. The PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2024-10977)", "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "commits": ["a5cc4c667"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "24ea9a1a07d184e01e1e8c0313d2da81b25d7849b5df2968f6160dc583499b2e", "section_path": ["Changes"], "commit_groups": [["2a951ef0a", "67d28bd02", "7b49707b7", "a5cc4c667", "bf8835ea9", "d2c3e31c1", "e6c945476"]], "identity_text": "Make libpq discard error messages received during SSL or GSS protocol negotiation (Jacob Champion) An error message received before encryption negotiation is completed might have been injected by a man-in-the-middle, rather than being real server output. Reporting it opens the door to various security hazards; for example, the message might spoof a query result that a careless user could mistake for correct output. The best answer seems to be to discard such data and rely only on libpq's own report of the connection failure. The PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2024-10977)", "commit_aliases": ["2a951ef0a", "67d28bd02", "7b49707b7", "a5cc4c667", "bf8835ea9", "d2c3e31c1", "e6c945476"], "source_commits": ["a5cc4c667"], "source_entry_id": "17.1/changes/002", "db_id": "91332def933a0204d60d03b6aee60a2f", "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e", "relations": [{"rule": 2, "type": "equivalent", "target": "041d5a2ad83eeef120f71cbf6b017715", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}}, {"rule": 2, "type": "equivalent", "target": "170ef4172dbf8227246b2fd10f547eaf", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}}, {"rule": 2, "type": "equivalent", "target": "343aad3da37d507acbe87e3c07339848", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}}, {"rule": 2, "type": "equivalent", "target": "606e86fc061b8305117b462b0fb72f7e", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}}, {"rule": 2, "type": "equivalent", "target": "f603cc7c23c00c33a7aaf0a8f34e4e09", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}}], "version": "17.1", "category_label": "Security", "also_in": [], "variants": [], "related_changes": [{"db_id": "170ef4172dbf8227246b2fd10f547eaf", "kind": "equivalent", "version": "16.5", "label": "16.5", "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}, "url": "/docs/compare/?release=16.5#16.5-9d380df74be2cafb", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES"}, {"db_id": "f603cc7c23c00c33a7aaf0a8f34e4e09", "kind": "equivalent", "version": "15.9", "label": "15.9", "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}, "url": "/docs/compare/?release=15.9#15.9-5728e455ef5ad54b", "source_url": "/docs/release/15.9/#id-1.11.6.16.5"}, {"db_id": "343aad3da37d507acbe87e3c07339848", "kind": "equivalent", "version": "14.14", "label": "14.14", "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}, "url": "/docs/compare/?release=14.14#14.14-8e4bd7f9b172bf1c", "source_url": "/docs/release/14.14/#id-1.11.6.16.5"}, {"db_id": "606e86fc061b8305117b462b0fb72f7e", "kind": "equivalent", "version": "13.17", "label": "13.17", "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}, "url": "/docs/compare/?release=13.17#13.17-6c940adbb9729591", "source_url": "/docs/release/13.17/#id-1.11.6.12.5"}, {"db_id": "041d5a2ad83eeef120f71cbf6b017715", "kind": "equivalent", "version": "12.21", "label": "12.21", "title": "Make libpq discard error messages received during SSL or GSS protocol negotiation", "evidence": {"same_day": true, "patch_ids": ["7f0305d2fb23504e1e6db659e7871ef3"], "statement_hash": "2d14a7d8ffe6fb8029b15b61d067c13cf4746fb098542feefffa1d74e35bfa6e"}, "url": "/docs/compare/?release=12.21#12.21-6fc5c9c88c8d9ac9", "source_url": "/docs/release/12.21/#id-1.11.6.7.6"}]}, {"id": "17.1-bcd14383964f2685", "cves": ["CVE-2024-10978"], "html": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE (Tom Lane) § §
The SQL standard mandates that SET SESSION AUTHORIZATION have a side-effect of doing SET ROLE NONE. Our implementation of that was flawed, creating more interaction between the two settings than intended. Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else.
The PostgreSQL Project thanks Tom Lane for reporting this problem. (CVE-2024-10978)
", "text": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE (Tom Lane) § § The SQL standard mandates that SET SESSION AUTHORIZATION have a side-effect of doing SET ROLE NONE. Our implementation of that was flawed, creating more interaction between the two settings than intended. Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else. The PostgreSQL Project thanks Tom Lane for reporting this problem. (CVE-2024-10978)", "title": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE", "commits": ["cd82afdda", "f4f5d27d8"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "9a3bc2da9e1d4811797b08a7406692d4f482a47cdba2da2c62563fe57cdaa136", "section_path": ["Changes"], "commit_groups": [["00b94e8e2", "0edad8654", "109a32380", "73c9f91a1", "95f5a5237", "dc7378793", "f4f5d27d8"], ["2a68808e2", "4c9d96f74", "5a2fed911", "76123ded6", "a5d2e6205", "ae340d031", "cd82afdda"]], "identity_text": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE (Tom Lane) The SQL standard mandates that SET SESSION AUTHORIZATION have a side-effect of doing SET ROLE NONE. Our implementation of that was flawed, creating more interaction between the two settings than intended. Notably, rolling back a transaction that had done SET SESSION AUTHORIZATION would revert ROLE to NONE even if that had not been the previous state, so that the effective user ID might now be different from what it had been before the transaction. Transiently setting session_authorization in a function SET clause had a similar effect. A related bug was that if a parallel worker inspected current_setting('role'), it saw none even when it should see something else. The PostgreSQL Project thanks Tom Lane for reporting this problem. 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\nThe ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, “trusted” PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment.
The PostgreSQL Project thanks Coby Abrams for reporting this problem. (CVE-2024-10979)
", "text": "Prevent trusted PL/Perl code from changing environment variables (Andrew Dunstan, Noah Misch) § § § The ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, “trusted” PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment. The PostgreSQL Project thanks Coby Abrams for reporting this problem. (CVE-2024-10979)", "title": "Prevent trusted PL/Perl code from changing environment variables", "commits": ["3ebcfa54d", "4cd4f3b97", "8d19f3fea"], "section": "Changes", "category": "security", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "931cc295f5770e69b9a41c6ada3c4514dc5f3381e5f6c8576932b1b6c31ae6fc", "section_path": ["Changes"], "commit_groups": [["0bd9560d9", "256e34653", "64df88700", "8d19f3fea", "9fc1c3a02", "c4252c9ef", "c834b375a"], ["168579e23"], ["16ed4f4d0", "1e457468f", "9f97c31c2", "c1fff7b1b", "c335264c9"], ["2ab12d860", "3ebcfa54d", "8fe3e697a", "b7e3a52a8", "d15ec27c9", "e428cd058", "e530835c6"], ["4cd4f3b97", "6bccd7b03", "88269df4d", "a34c33fd2", "b1e58defb", "f89bd92c9"]], "identity_text": "Prevent trusted PL/Perl code from changing environment variables (Andrew Dunstan, Noah Misch) The ability to manipulate process environment variables such as PATH gives an attacker opportunities to execute arbitrary code. Therefore, trusted PLs must not offer the ability to do that. To fix plperl, replace %ENV with a tied hash that rejects any modification attempt with a warning. Untrusted plperlu retains the ability to change the environment. The PostgreSQL Project thanks Coby Abrams for reporting this problem. 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\nIf the referenced table is partitioned, then different catalog entries are needed for a referencing table that is stand-alone versus one that is a partition. ATTACH/DETACH PARTITION commands failed to perform this conversion correctly. In particular, after DETACH the now stand-alone table would be missing foreign-key enforcement triggers, which could result in the table later containing rows that fail the foreign-key constraint. A subsequent re-ATTACH could fail with surprising errors, too.
The way to fix this is to do ALTER TABLE DROP CONSTRAINT on the now stand-alone table for each faulty constraint, and then re-add the constraint. If re-adding the constraint fails, then some erroneous data has crept in. You will need to manually re-establish consistency between the referencing and referenced tables, then re-add the constraint.
This query can be used to identify broken constraints and construct the commands needed to recreate them:
\nSELECT conrelid::pg_catalog.regclass AS \"constrained table\",\n conname AS constraint,\n confrelid::pg_catalog.regclass AS \"references\",\n pg_catalog.format('ALTER TABLE %s DROP CONSTRAINT %I;',\n conrelid::pg_catalog.regclass, conname) AS \"drop\",\n pg_catalog.format('ALTER TABLE %s ADD CONSTRAINT %I %s;',\n conrelid::pg_catalog.regclass, conname,\n pg_catalog.pg_get_constraintdef(oid)) AS \"add\"\nFROM pg_catalog.pg_constraint c\nWHERE contype = 'f' AND conparentid = 0 AND\n (SELECT count(*) FROM pg_catalog.pg_constraint c2\n WHERE c2.conparentid = c.oid) <>\n ((SELECT count(*) FROM pg_catalog.pg_inherits i\n WHERE (i.inhparent = c.conrelid OR i.inhparent = c.confrelid) AND\n EXISTS (SELECT 1 FROM pg_catalog.pg_partitioned_table\n WHERE partrelid = i.inhparent)) +\n CASE WHEN pg_catalog.pg_partition_root(conrelid) = confrelid THEN\n (SELECT count(*) FROM pg_catalog.pg_partition_tree(confrelid)\n WHERE level = 1)\n ELSE 0 END);\n\nSince it is possible that one or more of the ADD CONSTRAINT steps will fail, you should save the query's output in a file and then attempt to perform each step.
Fix test for C locale when LC_COLLATE is different from LC_CTYPE (Jeff Davis) §
When using libc as the default collation provider, the test to see if C locale is in use for collation accidentally checked LC_CTYPE not LC_COLLATE. This has no impact in the typical case where those settings are the same, nor if both are not C (nor its alias POSIX). However, if LC_CTYPE is C while LC_COLLATE is some other locale, wrong query answers could ensue, and corruption of indexes on strings was possible. Users of databases with such settings should reindex affected indexes after installing this update. The converse case with LC_COLLATE being C while LC_CTYPE is some other locale would cause performance degradation, but no actual errors.
Don't use partitionwise joins or grouping if the query's collation for the key column doesn't match the partition key's collation (Jian He, Webbo Han) § §
\nSuch plans could produce incorrect results.
", "text": "Don't use partitionwise joins or grouping if the query's collation for the key column doesn't match the partition key's collation (Jian He, Webbo Han) § § Such plans could produce incorrect results.", "title": "Don't use partitionwise joins or grouping if the query's collation for the key column doesn't match the partition key's collation", "commits": ["a0cdfc889", "b6484ca95"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "815b22040d7e400a0fac9d44ad9494bbe01fd9dbd76178e4a73abc18bcd5217c", "section_path": ["Changes"], "commit_groups": [["054701a2b", "075acdd93", "33040b171", "62df5484f", "9c4757491", "a0cdfc889", "f734b6b4d"], ["0a620659c", "46d9be5ef", "90fe6251c", "96f9b29a3", "b6484ca95", "dd2f8ebee", "ff65f695c"]], "identity_text": "Don't use partitionwise joins or grouping if the query's collation for the key column doesn't match the partition key's collation (Jian He, Webbo Han) Such plans 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"Avoid planner failure after converting an IS NULL test on a NOT NULL column to constant FALSE (Richard Guo) §
This bug typically led to errors such as “variable not found in subplan target lists”.
", "text": "Avoid planner failure after converting an IS NULL test on a NOT NULL column to constant FALSE (Richard Guo) § This bug typically led to errors such as “variable not found in subplan target lists”.", "title": "Avoid planner failure after converting an IS NULL test on a NOT NULL column to constant FALSE", "commits": ["78b1c553b"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "93d0d3626c3185e832d1a7cd02635478fa47918b51b9b9d85925e5e70d78d62b", "section_path": ["Changes"], "commit_groups": [["78b1c553b", "f00ab1fd1"]], "identity_text": "Avoid planner failure after converting an IS NULL test on a NOT NULL column to constant FALSE (Richard Guo) This bug typically led to errors such as variable not found in subplan target lists.", "commit_aliases": ["78b1c553b", "f00ab1fd1"], "source_commits": ["78b1c553b"], "source_entry_id": "17.1/changes/008", "db_id": "9578bddbb7e935d64b4386cc63d8ea58", "patch_ids": ["1f5c67259257eb563985c95cefd4227b"], "statement_hash": "cfb184c7b5220b4b75fe06ec23afec25ff101bde0150feb71a3f1b35a2229db0", "relations": [], "version": "17.1", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.1-be2f094f4975be4b", "cves": [], "html": "Avoid possible planner crash while inlining a SQL function whose arguments contain certain array-related constructs (Tom Lane, Nathan Bossart) §
", "text": "Avoid possible planner crash while inlining a SQL function whose arguments contain certain array-related constructs (Tom Lane, Nathan Bossart) §", "title": "Avoid possible planner crash while inlining a SQL function whose arguments contain certain array-related constructs", "commits": ["a3c4a91f1"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "4cb3d43eb01e480e955a2ce9ade3571e5ddde06a55f12deb8318720b5c4d8447", "section_path": ["Changes"], "commit_groups": [["5a4416192", "a3c4a91f1"]], "identity_text": "Avoid possible planner crash while inlining a SQL function whose arguments contain certain array-related constructs (Tom Lane, Nathan Bossart)", "commit_aliases": ["5a4416192", "a3c4a91f1"], "source_commits": ["a3c4a91f1"], "source_entry_id": "17.1/changes/009", "db_id": "fa9e3d00df6e804255bcb518132b84b3", "patch_ids": ["0693218a41f5d4b7394e40047f14556c"], "statement_hash": "6b5a97bd3457df939d7ae1ad5dae5ef0c1d114a1478473bcf717b45983b8887e", "relations": [], "version": "17.1", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.1-696ecfc68f049e9a", "cves": [], "html": "Fix possible wrong answers or “wrong varnullingrels” planner errors for MERGE ... WHEN NOT MATCHED BY SOURCE actions (Dean Rasheed) § §
Fix possible “could not find pathkey item to sort” error when the output of a UNION ALL member query needs to be sorted, and the sort column is an expression (Andrei Lepikhov, Tom Lane) §
Fix edge case in B-tree ScalarArrayOp index scans (Peter Geoghegan) §
\nWhen a scrollable cursor with a plan of this kind was backed up to its starting point and then run forward again, wrong answers were possible.
", "text": "Fix edge case in B-tree ScalarArrayOp index scans (Peter Geoghegan) § When a scrollable cursor with a plan of this kind was backed up to its starting point and then run forward again, wrong answers were possible.", "title": "Fix edge case in B-tree ScalarArrayOp index scans", "commits": ["c177726ae"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "40f51979e31108f0eee03ec68d355ca334f183d48cff2a41ce3728b381542344", "section_path": ["Changes"], "commit_groups": [["763d65ae2", "c177726ae"]], "identity_text": "Fix edge case in B-tree ScalarArrayOp index scans (Peter Geoghegan) When a scrollable cursor with a plan of this kind was backed up to its starting point and then run forward again, wrong answers were possible.", "commit_aliases": ["763d65ae2", "c177726ae"], "source_commits": ["c177726ae"], "source_entry_id": "17.1/changes/012", "db_id": "f62793c19e87f16340d77f0e790e6ffc", "patch_ids": ["3f3e6d64ca18bb6b95cd337e72f8b9e2"], "statement_hash": "9d9eff9dbb27e64ab89fcc2b3ce0ee86780a82463655651a0431f97679ff1f13", "relations": [], "version": "17.1", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.1-ef0f21203944cfe0", "cves": [], "html": "Fix assertion failure or confusing error message for COPY (, when the query) TO ...query is rewritten by a DO INSTEAD NOTIFY rule (Tender Wang, Tom Lane) §
Fix validation of COPY's FORCE_NOT_NULL and FORCE_NULL options (Joel Jacobson) §
Some incorrect usages are now rejected as they should be.
", "text": "Fix validation of COPY's FORCE_NOT_NULL and FORCE_NULL options (Joel Jacobson) § Some incorrect usages are now rejected as they should be.", "title": "Fix validation of COPY's FORCE_NOT_NULL and FORCE_NULL options", "commits": ["c06a4746b"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "b5197605183763e5aa7a4a66c48ee5b9e5263add2fa80622345485c6846f69aa", "section_path": ["Changes"], "commit_groups": [["089aac631", "c06a4746b"]], "identity_text": "Fix validation of COPY's FORCE_NOT_NULL and FORCE_NULL options (Joel Jacobson) Some incorrect usages are now rejected as they should be.", "commit_aliases": ["089aac631", "c06a4746b"], "source_commits": ["c06a4746b"], "source_entry_id": "17.1/changes/014", "db_id": "b58bf91e2db49275b56bdf995d90b2f5", "patch_ids": ["e97599279c2bb032d570f9e674182e11"], "statement_hash": "6543408f5835a5b2532448117f144ce5bf4c8c414249bca3bc9c1c7cc5ac4bd4", "relations": [], "version": "17.1", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.1-a67448e1b58abd31", "cves": [], "html": "Fix server crash when a json_objectagg() call contains a volatile function (Amit Langote) §
Fix detection of skewed data during parallel hash join (Thomas Munro) §
\nAfter repartitioning the inner side of a hash join because one partition has accumulated too many tuples, we check to see if all the partition's tuples went into the same child partition, which suggests that they all have the same hash value and further repartitioning cannot improve matters. This check malfunctioned in some cases, allowing repeated futile repartitioning which would eventually end in a resource-exhaustion error.
", "text": "Fix detection of skewed data during parallel hash join (Thomas Munro) § After repartitioning the inner side of a hash join because one partition has accumulated too many tuples, we check to see if all the partition's tuples went into the same child partition, which suggests that they all have the same hash value and further repartitioning cannot improve matters. This check malfunctioned in some cases, allowing repeated futile repartitioning which would eventually end in a resource-exhaustion error.", "title": "Fix detection of skewed data during parallel hash join", "commits": ["4ac5d33a8"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "6be654e723aadf0ffdac21342e2b1f405783dff1a3087a70b7e0ca9013dd8f08", "section_path": ["Changes"], "commit_groups": [["1831545ca", "20d948994", "45329466f", "4ac5d33a8", "4fa80a6d7", "53edc9485", "98c7c7152"]], "identity_text": "Fix detection of skewed data during parallel hash join (Thomas Munro) After repartitioning the inner side of a hash join because one partition has accumulated too many tuples, we check to see if all the partition's tuples went into the same child partition, which suggests that they all have the same hash value and further repartitioning cannot improve matters. 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Avoid repeated lookups of opclasses and collations while creating a new index on a partitioned table (Tom Lane) §
\nThis was problematic mainly because some of the lookups would be done with a restricted search_path, leading to unexpected failures if the CREATE INDEX command referenced objects outside pg_catalog.
This fix also prevents comments on the parent partitioned index from being copied to child indexes.
", "text": "Avoid repeated lookups of opclasses and collations while creating a new index on a partitioned table (Tom Lane) § This was problematic mainly because some of the lookups would be done with a restricted search_path, leading to unexpected failures if the CREATE INDEX command referenced objects outside pg_catalog. This fix also prevents comments on the parent partitioned index from being copied to child indexes.", "title": "Avoid repeated lookups of opclasses and collations while creating a new index on a partitioned table", "commits": ["fee8cb947"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "e0ced0c04a24d5db32ab1d18cb4357cfcab2dfc34922388bcb5e2ae04ff7ce5f", "section_path": ["Changes"], "commit_groups": [["68dfecbef", "fee8cb947"]], "identity_text": "Avoid repeated lookups of opclasses and collations while creating a new index on a partitioned table (Tom Lane) This was problematic mainly because some of the lookups would be done with a restricted search_path, leading to unexpected failures if the CREATE INDEX command referenced objects outside pg_catalog. This fix also prevents comments on the parent partitioned index from being copied to child indexes.", "commit_aliases": ["68dfecbef", "fee8cb947"], "source_commits": ["fee8cb947"], "source_entry_id": "17.1/changes/018", "db_id": "39d1ff67b2247978ff31120b1af8610f", "patch_ids": ["b5a80d8c7d1f95c52db177a0ca9af9b3"], "statement_hash": "4c3a4e12b2e74cb3643a07c3068a3ca331d2ed644820e14740f5b0cc0256b10f", "relations": [], "version": "17.1", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.1-dc558dc95214284c", "cves": [], "html": "Add missing dependency from a partitioned table to a non-built-in access method specified in CREATE TABLE ... USING (Michael Paquier) §
Dropping the access method should be blocked when a table exists that depends on it, but it was not, allowing subsequent odd behavior. Note that this fix only prevents problems for partitioned tables created after this update.
", "text": "Add missing dependency from a partitioned table to a non-built-in access method specified in CREATE TABLE ... USING (Michael Paquier) § Dropping the access method should be blocked when a table exists that depends on it, but it was not, allowing subsequent odd behavior. Note that this fix only prevents problems for partitioned tables created after this update.", "title": "Add missing dependency from a partitioned table to a non-built-in access method specified in CREATE TABLE ... USING", "commits": ["bb584e831"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "78b2fcbdb5aa732914af5e01eae1583b7b62e64e2d91a54f8b48c98ff8f82702", "section_path": ["Changes"], "commit_groups": [["49a23441c", "bb584e831"]], "identity_text": "Add missing dependency from a partitioned table to a non-built-in access method specified in CREATE TABLE ... USING (Michael Paquier) Dropping the access method should be blocked when a table exists that depends on it, but it was not, allowing subsequent odd behavior. Note that this fix only prevents problems for partitioned tables created after this update.", "commit_aliases": ["49a23441c", "bb584e831"], "source_commits": ["bb584e831"], "source_entry_id": "17.1/changes/019", "db_id": "362d11804d0cc2d25ae4f459d36b0747", "patch_ids": ["75bccb1b1bad53b6ec3878e48e0e916e"], "statement_hash": "a34ea2ed8a14d2c3ede048f89f5f8652ba65167aa9ebc8f2366ce87ce6f857db", "relations": [], "version": "17.1", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": []}, {"id": "17.1-e5a214ba706d7473", "cves": [], "html": "Disallow locale names containing non-ASCII characters (Thomas Munro) §
\nThis is only an issue on Windows, as such locale names are not used elsewhere. They are problematic because it's quite unclear what encoding such names are represented in (since the locale itself defines the encoding to use). In recent PostgreSQL releases, an abort in the Windows runtime library could occur because of confusion about that.
\nAnyone who encounters the new error message should either create a new duplicated locale with an ASCII-only name using Windows Locale Builder, or consider using BCP 47-compliant locale names like tr-TR.
Fix race condition in committing a serializable transaction (Heikki Linnakangas) §
\nMis-processing of a recently committed transaction could lead to an assertion failure or a “could not access status of transaction” error.
", "text": "Fix race condition in committing a serializable transaction (Heikki Linnakangas) § Mis-processing of a recently committed transaction could lead to an assertion failure or a “could not access status of transaction” error.", "title": "Fix race condition in committing a serializable transaction", "commits": ["234f6d09e"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES", "source_hash": "ed7415ad5299a17b209c92c0da2f551552e26324bb19df497afd8008db10a931", "section_path": ["Changes"], "commit_groups": [["1a43de5e0", "22665f210", "234f6d09e", "520ec2474", "8e607a5a4", "d97419b85", "e2ec3afeb"]], "identity_text": "Fix race condition in committing a serializable transaction (Heikki Linnakangas) Mis-processing of a recently committed transaction could lead to an assertion failure or a could not access status of transaction error.", "commit_aliases": ["1a43de5e0", "22665f210", "234f6d09e", "520ec2474", "8e607a5a4", "d97419b85", 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A concurrent PREPARE TRANSACTION could cause COMMIT PREPARED to not remove the on-disk two-phase state file for the completed transaction. There was no immediate ill effect, but a subsequent crash-and-recovery could fail with “could not access status of transaction”, requiring manual removal of the orphaned file to restore service.
Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL (Tender Wang) §
A list tracking yet-to-be-rebuilt indexes was not properly updated in this code path, risking assertion failures or crashes later on.
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\nThis caused no functional problems, but the duplicate slashes were visible in error messages, which could create confusion.
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On platforms where long is 32 bits (notably Windows), this coding would fail after Y2038. Most of the failures appear only cosmetic, but notably pg_ctl start would hang.
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\nThis tzdata release changes the old System-V-compatibility zone names to duplicate the corresponding geographic zones; for example PST8PDT is now an alias for America/Los_Angeles. The main visible consequence is that for timestamps before the introduction of standardized time zones, the zone is considered to represent local mean solar time for the named location. For example, in PST8PDT, timestamptz input such as 1801-01-01 00:00 would previously have been rendered as 1801-01-01 00:00:00-08, but now it is rendered as 1801-01-01 00:00:00-07:52:58.
Also, historical corrections for Mexico, Mongolia, and Portugal. Notably, Asia/Choibalsan is now an alias for Asia/Ulaanbaatar rather than being a separate zone, mainly because the differences between those zones were found to be based on untrustworthy data.