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\nThe PostgreSQL Project thanks Jacob Champion for reporting this problem. (CVE-2024-10977)
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The PostgreSQL Project thanks Tom Lane for reporting this problem. (CVE-2024-10978)
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(CVE-2024-10978)", "title": "Fix unintended interactions between SET SESSION AUTHORIZATION and SET ROLE", "commits": ["95f5a5237", "ae340d031"], "section": "Changes", "category": "security", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "13f7f6ea75300bc3f04501ae5371e905e9756ffb5cac376dc5a7a4d3121f16b3", "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": ["168579e23", "64df88700", "88269df4d", "8fe3e697a", "c335264c9"], "section": "Changes", "category": "security", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "16971486b1650decac0567739366c50c24457c8219acf06db53cd2a345abfad1", "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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"/docs/compare/?release=12.21#12.21-1e5606f9a5aeeb3a", "source_url": "/docs/release/12.21/#id-1.11.6.7.6"}]}, {"id": "16.5-da80fe139c5ca832", "cves": [], "html": "Fix updates of catalog state for foreign-key constraints when attaching or detaching table partitions (Jehan-Guillaume de Rorthais, Tender Wang, Álvaro Herrera) § §
\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.
Avoid possible crashes and “could not open relation” errors in queries on a partitioned table occurring concurrently with a DETACH CONCURRENTLY and immediate drop of a partition (Álvaro Herrera, Kuntal Gosh) § §
Disallow ALTER TABLE ATTACH PARTITION if the table to be attached has a foreign key referencing the partitioned table (Álvaro Herrera) § §
This arrangement is not supported, and other ways of creating it already fail.
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Fix server crash when a json_objectagg() call contains a volatile function (Amit Langote) §
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\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": ["53edc9485"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "6c20617b7264c027fa038b657732599327b4a856f8cc0df3f0fcda8cde518055", "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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\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": ["22665f210"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "012f675fc03dd3dc0dcfeae0837453836ec18f5966389ff41be958d2775b0068", "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.
", "text": "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.", "title": "Avoid invalid memory accesses after skipping an invalid toast index during VACUUM FULL", "commits": ["afbd3dc7d"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "27ed4005cde171633169210b726419b962137bcad7ae7c7a1031e91654bb6e26", "section_path": ["Changes"], "commit_groups": [["09620ea09", "1532599a8", "2f33e68a5", "6530b869c", "911eda9f3", "a613edc5c", "afbd3dc7d"]], "identity_text": "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.", "commit_aliases": ["09620ea09", 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\nNormal row updates write a new version of the row to preserve rollback-ability of the transaction. However, certain system catalog updates are intentionally non-transactional and are done with an in-place update of the row. These patches fix race conditions that could cause the effects of an in-place update to be lost. As an example, it was possible to forget having set pg_class.relhasindex to true, preventing updates of the new index and thus causing index corruption.
Reset catalog caches at end of recovery (Noah Misch) §
\nThis prevents scenarios wherein an in-place catalog update could be lost due to using stale data from a catalog cache.
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Fix some whitespace issues in the result of XMLSERIALIZE(... INDENT) (Jim Jones) §
Fix failure to indent nodes separated by whitespace, and ensure that a trailing newline is not added.
", "text": "Fix some whitespace issues in the result of XMLSERIALIZE(... INDENT) (Jim Jones) § Fix failure to indent nodes separated by whitespace, and ensure that a trailing newline is not added.", "title": "Fix some whitespace issues in the result of XMLSERIALIZE(... INDENT)", "commits": ["06c285018"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "471adc56d89ac9b8c3d23f418cf727cdb97c0ed4b89d74d0b102280667dab7e0", "section_path": ["Changes"], "commit_groups": [["06c285018", "946f150aa", "bccca780e"]], "identity_text": "Fix some whitespace issues in the result of XMLSERIALIZE(... INDENT) (Jim Jones) Fix failure to indent nodes separated by whitespace, and ensure that a trailing newline is not added.", "commit_aliases": ["06c285018", "946f150aa", "bccca780e"], "source_commits": ["06c285018"], "source_entry_id": "16.5/changes/025", "db_id": "c173d4579fd81d186f89d4d5b7183095", "patch_ids": ["1d0512d8fd15151197a14bc0b417ccad"], "statement_hash": "29f6dbfb5d1d42cd8c6fb9939f0b28e587af1dc6fb92902af1a397eaa2265b27", "relations": [], "version": "16.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": []}, {"id": "16.5-5e1614ec39af4175", "cves": [], "html": "Do not ignore a concurrent REINDEX CONCURRENTLY that is working on an index with predicates or expressions (Michail Nikolaev) §
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Fix mis-deparsing of ORDER BY lists when there is a name conflict (Tom Lane) §
If an ORDER BY item in SELECT is a bare identifier, the parser first seeks it as an output column name of the SELECT, for SQL92 compatibility. However, ruleutils.c expects the SQL99 interpretation where such a name is an input column name. So it was possible to produce an incorrect display of a view in the (rather ill-advised) case where some other column is renamed in the SELECT output list to match an input column used in ORDER BY. Fix by table-qualifying such names in the dumped view text.
Fix “failed to find plan for subquery/CTE” errors in EXPLAIN (Richard Guo, Tom Lane) § §
This case arose while trying to print references to fields of a RECORD-type output of a subquery when the subquery has been optimized out of the plan altogether (which is possible at least in the case that it has a constant-false WHERE condition). Nothing remains in the plan to identify the original field names, so fall back to printing f for the NN'th record column. (That's actually the right thing anyway, if the record output arose from a ROW() constructor.)
Disallow a USING clause when altering the type of a generated column (Peter Eisentraut) §
A generated column already has an expression specifying the column contents, so including USING doesn't make sense.
Ignore not-yet-defined Portals in the pg_cursors view (Tom Lane) §
It is possible for user-defined code that inspects this view to be called while a new cursor is being set up, and if that happens a null pointer dereference would ensue. Avoid the problem by defining the view to exclude incompletely-set-up cursors.
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As with a similar fix in our previous quarterly releases, this case allowed such functions to be passed the wrong snapshot, causing them to see stale values of rows modified since the start of the outer transaction.
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Fix thread safety of our fallback (non-OpenSSL) MD5 implementation on big-endian hardware (Heikki Linnakangas) §
\nThread safety is not currently a concern in the server, but it is for libpq.
", "text": "Fix thread safety of our fallback (non-OpenSSL) MD5 implementation on big-endian hardware (Heikki Linnakangas) § Thread safety is not currently a concern in the server, but it is for libpq.", "title": "Fix thread safety of our fallback (non-OpenSSL) MD5 implementation on big-endian hardware", "commits": ["0583863e9"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "a2b5e7e87cf648e9c11b2ae6f4ff09e45fa2b45be21b4950012bd99bcad0f5c3", "section_path": ["Changes"], "commit_groups": [["0583863e9", "2676040df", "7696b2ea5", "a38f5f880", "ffac8ac48"]], "identity_text": "Fix thread safety of our fallback (non-OpenSSL) MD5 implementation on big-endian hardware (Heikki Linnakangas) Thread safety is not currently a concern in the server, but it is for libpq.", "commit_aliases": ["0583863e9", "2676040df", "7696b2ea5", "a38f5f880", "ffac8ac48"], "source_commits": ["0583863e9"], "source_entry_id": "16.5/changes/041", "db_id": "32d45b172e33cc864259be4bf0b9d445", "patch_ids": ["856941f2315e8adefff106e00213c3de"], "statement_hash": "b4d88eedc0bb1def263af56f15619764ebb830924ad4125e04af5e695b6cdcb0", "relations": [{"rule": 2, "type": "equivalent", "target": "768029d037bbb8ea981499d040aac8bb", "evidence": {"same_day": true, "patch_ids": ["856941f2315e8adefff106e00213c3de"], "statement_hash": "b4d88eedc0bb1def263af56f15619764ebb830924ad4125e04af5e695b6cdcb0"}}, {"rule": 2, "type": "equivalent", "target": "84e109eb84ef59da4328e9f7a2d8d203", "evidence": {"same_day": true, "patch_ids": ["856941f2315e8adefff106e00213c3de"], "statement_hash": "b4d88eedc0bb1def263af56f15619764ebb830924ad4125e04af5e695b6cdcb0"}}], "version": "16.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "768029d037bbb8ea981499d040aac8bb", "kind": "equivalent", "version": "15.9", "label": "15.9", "title": "Fix thread safety of our fallback (non-OpenSSL) MD5 implementation on big-endian hardware", "evidence": {"same_day": true, "patch_ids": ["856941f2315e8adefff106e00213c3de"], "statement_hash": "b4d88eedc0bb1def263af56f15619764ebb830924ad4125e04af5e695b6cdcb0"}, "url": "/docs/compare/?release=15.9#15.9-a7726fb7e46e1fe8", "source_url": "/docs/release/15.9/#id-1.11.6.16.5"}, {"db_id": "84e109eb84ef59da4328e9f7a2d8d203", "kind": "equivalent", "version": "14.14", "label": "14.14", "title": "Fix thread safety of our fallback (non-OpenSSL) MD5 implementation on big-endian hardware", "evidence": {"same_day": true, "patch_ids": ["856941f2315e8adefff106e00213c3de"], "statement_hash": "b4d88eedc0bb1def263af56f15619764ebb830924ad4125e04af5e695b6cdcb0"}, "url": "/docs/compare/?release=14.14#14.14-ecf4adff826022a5", "source_url": "/docs/release/14.14/#id-1.11.6.16.5"}]}, {"id": "16.5-421b9f7051ea9b30", "cves": [], "html": "Parse libpq's keepalives connection option in the same way as other integer-valued options (Yuto Sasaki) §
The coding used here rejected trailing whitespace in the option value, unlike other cases. This turns out to be problematic in ecpg's usage, for example.
", "text": "Parse libpq's keepalives connection option in the same way as other integer-valued options (Yuto Sasaki) § The coding used here rejected trailing whitespace in the option value, unlike other cases. This turns out to be problematic in ecpg's usage, for example.", "title": "Parse libpq's keepalives connection option in the same way as other integer-valued options", "commits": ["65f431aff"], "section": "Changes", "category": "improvement", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "0344f96caeebf8c86e25a4aba3581aebd8f34ff89b0f3cb743569e3969303ecc", "section_path": ["Changes"], "commit_groups": [["2120eda94", "47d8a15de", "65f431aff", "920d51979", "bb8c89dbc", "c7a201053", "e7af9b52f"]], "identity_text": "Parse libpq's keepalives connection option in the same way as other integer-valued options (Yuto Sasaki) The coding used here rejected trailing whitespace in the option value, unlike other cases. 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That function will call exit() on out-of-memory, which is undesirable in a library. The calling code already handles allocation failures properly.
In ecpglib, fix out-of-bounds read when parsing incorrect datetime input (Bruce Momjian, Pavel Nekrasov) §
\nIt was possible to try to read the location just before the start of a constant array. Real-world consequences seem minimal, though.
", "text": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input (Bruce Momjian, Pavel Nekrasov) § It was possible to try to read the location just before the start of a constant array. Real-world consequences seem minimal, though.", "title": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input", "commits": ["a1e613b81"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "0c15193114af884653d0bb7585ee76836bbe8b343316b4b782d24f7264e43f06", "section_path": ["Changes"], "commit_groups": [["2c37cb26f", "335501fb2", "9a51d4af1", "9ecfd8a48", "a0bff38d1", "a1e613b81", "fcafbaadf"]], "identity_text": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input (Bruce Momjian, Pavel Nekrasov) It was possible to try to read the location just before the start of a constant array. Real-world consequences seem minimal, though.", "commit_aliases": ["2c37cb26f", "335501fb2", "9a51d4af1", "9ecfd8a48", "a0bff38d1", "a1e613b81", "fcafbaadf"], "source_commits": ["a1e613b81"], "source_entry_id": "16.5/changes/044", "db_id": "e34de0e447f0c8752a64af2e4886b995", "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1", "relations": [{"rule": 2, "type": "equivalent", "target": "0e0f03b7d096ceb8efb241246cfdfc73", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}}, {"rule": 2, "type": "equivalent", "target": "1e77eaf900773e6236b6ffb21cd7fc1b", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}}, {"rule": 2, "type": "equivalent", "target": "3e8175be0a09cac5e3bff6077bbc630c", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}}, {"rule": 2, "type": "equivalent", "target": "7f2e5e6d89138f85f6e1120a399ebc31", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}}, {"rule": 2, "type": "equivalent", "target": "80eee80256c0e6b71e65aa9e92670dff", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}}], "version": "16.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1e77eaf900773e6236b6ffb21cd7fc1b", "kind": "equivalent", "version": "17.1", "label": "17.1", "title": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}, "url": "/docs/compare/?release=17.1#17.1-529ff7381233cffe", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES"}, {"db_id": "3e8175be0a09cac5e3bff6077bbc630c", "kind": "equivalent", "version": "15.9", "label": "15.9", "title": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}, "url": "/docs/compare/?release=15.9#15.9-0cf619e52d9c6c75", "source_url": "/docs/release/15.9/#id-1.11.6.16.5"}, {"db_id": "7f2e5e6d89138f85f6e1120a399ebc31", "kind": "equivalent", "version": "14.14", "label": "14.14", "title": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}, "url": "/docs/compare/?release=14.14#14.14-f6611c4aafbac4c8", "source_url": "/docs/release/14.14/#id-1.11.6.16.5"}, {"db_id": "80eee80256c0e6b71e65aa9e92670dff", "kind": "equivalent", "version": "13.17", "label": "13.17", "title": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}, "url": "/docs/compare/?release=13.17#13.17-b43cbde21c10350a", "source_url": "/docs/release/13.17/#id-1.11.6.12.5"}, {"db_id": "0e0f03b7d096ceb8efb241246cfdfc73", "kind": "equivalent", "version": "12.21", "label": "12.21", "title": "In ecpglib, fix out-of-bounds read when parsing incorrect datetime input", "evidence": {"same_day": true, "patch_ids": ["6d12442b6d9d80d7f2923a3854691932"], "statement_hash": "fd725ea9d4ad0f110ed972492b2c7c4b3e8b7f15383cdca60a5609f422c83ea1"}, "url": "/docs/compare/?release=12.21#12.21-0da18d838f26abf4", "source_url": "/docs/release/12.21/#id-1.11.6.7.6"}]}, {"id": "16.5-4b5c60254987f710", "cves": [], "html": "Fix memory leak in psql during repeated use of \\bind (Michael Paquier) §
Avoid hanging if an interval less than 1ms is specified in psql's \\watch command (Andrey Borodin, Michael Paquier) §
Instead, treat this the same as an interval of zero (no wait between executions).
", "text": "Avoid hanging if an interval less than 1ms is specified in psql's \\watch command (Andrey Borodin, Michael Paquier) § Instead, treat this the same as an interval of zero (no wait between executions).", "title": "Avoid hanging if an interval less than 1ms is specified in psql's \\watch command", "commits": ["6331972c7"], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/16.5/#RELEASE-16-5-CHANGES", "source_hash": "418c832c010e413811c37c820e3c9162be33a1a0b529e2ce1c2b4d422a018b61", "section_path": ["Changes"], "commit_groups": [["6331972c7", "8a6170860", "9f34cae14"]], "identity_text": "Avoid hanging if an interval less than 1ms is specified in psql's \\watch command (Andrey Borodin, Michael Paquier) Instead, treat this the same as an interval of zero (no wait between executions).", "commit_aliases": ["6331972c7", "8a6170860", "9f34cae14"], "source_commits": ["6331972c7"], "source_entry_id": "16.5/changes/046", "db_id": "ec490d72a0dc9300aa45048145f5399b", "patch_ids": ["57069cd5dc4bd4cfc5c1f93e2eff4716"], "statement_hash": "98ed9ab3898440c27f59902a8407246d323c97de1573ce6501db024518a584db", "relations": [{"rule": 2, "type": "equivalent", "target": "81f0bb9d2627ef251bb85efb33a2792f", "evidence": {"same_day": true, "patch_ids": ["57069cd5dc4bd4cfc5c1f93e2eff4716"], "statement_hash": "98ed9ab3898440c27f59902a8407246d323c97de1573ce6501db024518a584db"}}], "version": "16.5", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "81f0bb9d2627ef251bb85efb33a2792f", "kind": "equivalent", "version": "17.1", "label": "17.1", "title": "Avoid hanging if an interval less than 1ms is specified in psql's \\watch command", "evidence": {"same_day": true, "patch_ids": ["57069cd5dc4bd4cfc5c1f93e2eff4716"], "statement_hash": "98ed9ab3898440c27f59902a8407246d323c97de1573ce6501db024518a584db"}, "url": "/docs/compare/?release=17.1#17.1-94b3e497adba1b91", "source_url": "/docs/release/17.1/#RELEASE-17-1-CHANGES"}]}, {"id": "16.5-258ad251f3ae5711", "cves": [], "html": "Fix pg_dump's handling of identity sequences that have persistence different from their owning table's persistence (Tom Lane) §
\nSince v15, it's been possible to set an identity sequence to be LOGGED when its owning table is UNLOGGED or vice versa. However, pg_dump's method for recreating that situation failed in binary-upgrade mode, causing pg_upgrade to fail when such sequences are present. Fix by introducing a new option for ADD/ALTER COLUMN GENERATED AS IDENTITY to allow the sequence's persistence to be set correctly at creation. Note that this means a dump from a database containing such a sequence will only load into a server of this minor version or newer.
Include the source timeline history in pg_rewind's debug output (Heikki Linnakangas) §
\nThis was the intention to begin with, but a coding error caused the source history to always print as empty.
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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.
Fix building with Strawberry Perl on Windows (Andrew Dunstan) §
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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.