{"format": 1, "mode": "release", "from_release": null, "to_release": {"date": "2020-11-12", "build": "9.5.24", "major": "9.5", "minor": 24, "manual": "9.5", "status": "stable", "doc_git": "", "version": "9.5.24", "eol_date": "2021-02-11", "date_text": "2020-11-12", "supported": false, "manual_url": "/docs/9.5/release-9-5-24.html", "source_url": "/docs/release/9.5.24/", "entry_count": 34, "placeholder": false, "content_hash": "3b2bfa7f9878f352ac4ca6636dd2de4acd0d486ce7e256f4df4376f292809361", "manual_build": "9.5.25", "source_as_of": "", "changes_count": 34, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "<p>A dump/restore is not required for those running 9.5.X.</p>\n<p>However, if you are upgrading from a version earlier than 9.5.20, see <a href=\"/docs/9.5/release-9-5-20.html\">Section E.6</a>.</p>", "compatibility_count": 0, "label": "9.5.24", "status_label": "Historical", "eol": "2021-02-11", "age_days": 2147, "support_days": -2056}, "groups": [{"date": "2020-11-12", "build": "9.5.24", "major": "9.5", "minor": 24, "manual": "9.5", "status": "stable", "doc_git": "", "version": "9.5.24", "eol_date": "2021-02-11", "date_text": "2020-11-12", "supported": false, "manual_url": "/docs/9.5/release-9-5-24.html", "source_url": "/docs/release/9.5.24/", "entry_count": 34, "placeholder": false, "content_hash": "3b2bfa7f9878f352ac4ca6636dd2de4acd0d486ce7e256f4df4376f292809361", "manual_build": "9.5.25", "source_as_of": "", "changes_count": 34, "doc_loaded_at": "2026-09-25T02:22:44.760693", "migration_html": "<p>A dump/restore is not required for those running 9.5.X.</p>\n<p>However, if you are upgrading from a version earlier than 9.5.20, see <a href=\"/docs/9.5/release-9-5-20.html\">Section E.6</a>.</p>", "compatibility_count": 0, "label": "9.5.24", "status_label": "Historical", "eol": "2021-02-11", "age_days": 2147, "support_days": -2056, "entries": [{"id": "9.5.24-8d0573c737d42e9b", "cves": ["CVE-2020-25695"], "html": "<p>Block DECLARE CURSOR ... 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WITH HOLD and firing of deferred triggers within index expressions and materialized view queries", "evidence": {"same_day": true, "patch_ids": ["e898d0dfc6b33d9b63abd3fb0e8b1a11"], "statement_hash": "2795b2a9007ce3ac53806d982078b9bd14dcfd9c5923177aaaf24805ed203d24"}, "url": "/docs/compare/?release=9.6.20#9.6.20-8d0573c737d42e9b", "source_url": "/docs/release/9.6.20/#AEN132588"}]}, {"id": "9.5.24-108d8c3b8d345eac", "cves": ["CVE-2020-25694"], "html": "<p>Fix usage of complex connection-string parameters in <span>pg_dump</span>, <span>pg_restore</span>, <span>clusterdb</span>, <span>reindexdb</span>, and <span>vacuumdb</span> (Tom Lane)</p>\n<p>The -d parameter of <span>pg_dump</span> and <span>pg_restore</span>, or the --maintenance-db parameter of the other programs mentioned, can be a <span>\"connection string\"</span> containing multiple connection parameters rather than just a database name. In cases where these programs need to initiate additional connections, such as parallel processing or processing of multiple databases, the connection string was forgotten and just the basic connection parameters (database name, host, port, and username) were used for the additional connections. This could lead to connection failures if the connection string included any other essential information, such as non-default SSL or GSS parameters. Worse, the connection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. (CVE-2020-25694)</p>", "text": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb (Tom Lane) The -d parameter of pg_dump and pg_restore, or the --maintenance-db parameter of the other programs mentioned, can be a \"connection string\" containing multiple connection parameters rather than just a database name. In cases where these programs need to initiate additional connections, such as parallel processing or processing of multiple databases, the connection string was forgotten and just the basic connection parameters (database name, host, port, and username) were used for the additional connections. This could lead to connection failures if the connection string included any other essential information, such as non-default SSL or GSS parameters. Worse, the connection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. (CVE-2020-25694)", "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.5.24/#AEN127471", "source_hash": "628fa1a73c120a108ce71d654206232b30b8e0bf5e289b9d768f34073e7b20a7", "section_path": ["Changes"], "commit_groups": [["1738a61c8", "1888ff8d0", "56b46d3a1", "7c154f2fd", "a45bc8a4f", "cb8885ac4", "fb93f784f"], ["1814f915b", "5a9f99bed", "5c78f7977", "68f236993", "8e5793ab6", "c6d0b9b16", "da129a04a"]], "identity_text": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb (Tom Lane) The -d parameter of pg_dump and pg_restore, or the --maintenance-db parameter of the other programs mentioned, can be a connection string containing multiple connection parameters rather than just a database name. In cases where these programs need to initiate additional connections, such as parallel processing or processing of multiple databases, the connection string was forgotten and just the basic connection parameters (database name, host, port, and username) were used for the additional connections. This could lead to connection failures if the connection string included any other essential information, such as non-default SSL or GSS parameters. Worse, the connection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. 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["6bb19578ad8feb3e68071169a6f567c0", "fa0aac08719ba7654ad9ab2529d63d8c"], "statement_hash": "13dd9012ccb980ba0dc19dbfbac853d5d28f338cd1f8e71e056527777c0793aa"}, "url": "/docs/compare/?release=10.15#10.15-108d8c3b8d345eac", "source_url": "/docs/release/10.15/#id-1.11.6.13.5"}, {"db_id": "9bb37934f19a023764ee700751964c41", "kind": "equivalent", "version": "9.6.20", "label": "9.6.20", "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "evidence": {"same_day": true, "patch_ids": ["6bb19578ad8feb3e68071169a6f567c0", "fa0aac08719ba7654ad9ab2529d63d8c"], "statement_hash": "13dd9012ccb980ba0dc19dbfbac853d5d28f338cd1f8e71e056527777c0793aa"}, "url": "/docs/compare/?release=9.6.20#9.6.20-108d8c3b8d345eac", "source_url": "/docs/release/9.6.20/#AEN132588"}]}, {"id": "9.5.24-52aa2871324aa6e9", "cves": ["CVE-2020-25694"], "html": "<p>When <span>psql</span>'s \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used (Tom Lane)</p>\n<p>This avoids cases where reconnection might fail due to omission of relevant parameters, such as non-default SSL or GSS options. Worse, the reconnection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. This is largely the same problem as just cited for <span>pg_dump</span> et al, although <span>psql</span>'s behavior is more complex since the user may intentionally override some connection parameters. (CVE-2020-25694)</p>", "text": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used (Tom Lane) This avoids cases where reconnection might fail due to omission of relevant parameters, such as non-default SSL or GSS options. Worse, the reconnection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. This is largely the same problem as just cited for pg_dump et al, although psql's behavior is more complex since the user may intentionally override some connection parameters. (CVE-2020-25694)", "title": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.5.24/#AEN127471", "source_hash": "521cb0e770601c76687d7eb159b1cbe99f5ea5c2cf7f37a7f0db18415977eb61", "section_path": ["Changes"], "commit_groups": [["20be76d5c", "2e4af4110", "6997da09a", "8175da6e7", "85c54287a", "870a23230", "f656517ec"]], "identity_text": "When psql's \\connect command re-uses connection parameters, ensure that all non-overridden parameters from a previous connection string are re-used (Tom Lane) This avoids cases where reconnection might fail due to omission of relevant parameters, such as non-default SSL or GSS options. Worse, the reconnection might succeed but not be encrypted as intended, or be vulnerable to man-in-the-middle attacks that the intended connection parameters would have prevented. This is largely the same problem as just cited for pg_dump et al, although psql's behavior is more complex since the user may intentionally override some connection parameters. 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(CVE-2020-25696)", "title": "Prevent psql's \\gset command from modifying specially-treated variables", "commits": [], "section": "Changes", "category": "security", "source_url": "/docs/release/9.5.24/#AEN127471", "source_hash": "22574e8d3f43dc2f6c39ea9b126d9d0921b55fd6c77a7fd42a9f557e7e78e0b1", "section_path": ["Changes"], "commit_groups": [["098fb0079", "12fd81cb7", "3855e5b47", "67029845b", "7b356c78f", "a498db87b", "a54dfbee1"]], "identity_text": "Prevent psql's \\gset command from modifying specially-treated variables (Noah Misch) \\gset without a prefix would overwrite whatever variables the server told it to. Thus, a compromised server could set specially-treated variables such as PROMPT1, giving the ability to execute arbitrary shell code in the user's session. The PostgreSQL Project thanks Nick Cleaton for reporting this problem. 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WITH HOLD and firing of deferred triggers within index expressions and materialized view queries", "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.5": "9.5", "9.6": "9.6"}, "component": "core server", "published": {"10": "2020-11-12", "11": "2020-11-12", "12": "2020-11-12", "13": "2020-11-12", "9.5": "2020-11-12", "9.6": "2020-11-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "An attacker having permission to create non-temporary objects in at least one schema can execute arbitrary SQL functions under the identity of a superuser.\n\nWhile promptly updating PostgreSQL is the best remediation for most users, a user unable to do that can work around the vulnerability by disabling autovacuum and not manually running ANALYZE , CLUSTER , REINDEX , CREATE INDEX , VACUUM FULL , REFRESH MATERIALIZED VIEW , or a restore from output of the pg_dump command. Performance may degrade quickly under this workaround.\n\nVACUUM without the FULL option is safe, and all commands are fine when a trusted user owns the target object.\n\nThe PostgreSQL project thanks Etienne Stalmans for reporting this problem.", "first_published": "2020-11-12", "fixed_version": "9.5.24"}, {"id": "CVE-2020-25694", "url": "https://www.postgresql.org/support/security/CVE-2020-25694/", "fixed": {"10": "10.15", "11": "11.10", "12": "12.5", "13": "13.1", "9.5": "9.5.24", "9.6": "9.6.20"}, "score": 8.1, "title": "Fix usage of complex connection-string parameters in pg_dump, pg_restore, clusterdb, reindexdb, and vacuumdb", "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.5": "9.5", "9.6": "9.6"}, "component": "client", "published": {"10": "2020-11-12", "11": "2020-11-12", "12": "2020-11-12", "13": "2020-11-12", "9.5": "2020-11-12", "9.6": "2020-11-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "Many PostgreSQL-provided client applications have options that create additional database connections. Some of those applications reuse only the basic connection parameters (e.g. host , user , port ), dropping others. If this drops a security-relevant parameter (e.g. channel_binding , sslmode , requirepeer , gssencmode ), the attacker has an opportunity to complete a MITM attack or observe cleartext transmission.\n\nAffected applications are clusterdb , pg_dump , pg_restore , psql , reindexdb , and vacuumdb . The vulnerability arises only if one invokes an affected client application with a connection string containing a security-relevant parameter.\n\nThis also fixes how the \\connect command of psql reuses connection parameters, i.e. all non-overridden parameters from a previous connection string now re-used.\n\nThe PostgreSQL project thanks Peter Eisentraut for reporting this problem.", "first_published": "2020-11-12", "fixed_version": "9.5.24"}, {"id": "CVE-2020-25696", "url": "https://www.postgresql.org/support/security/CVE-2020-25696/", "fixed": {"10": "10.15", "11": "11.10", "12": "12.5", "13": "13.1", "9.5": "9.5.24", "9.6": "9.6.20"}, "score": 7.5, "title": "Prevent psql's \\gset command from modifying specially-treated variables", "vector": "AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "affected": {"10": "10", "11": "11", "12": "12", "13": "13", "9.5": "9.5", "9.6": "9.6"}, "component": "client", "published": {"10": "2020-11-12", "11": "2020-11-12", "12": "2020-11-12", "13": "2020-11-12", "9.5": "2020-11-12", "9.6": "2020-11-12"}, "introduced": {}, "cvss_version": "3.0", "description_en": "The \\gset meta-command, which sets psql variables based on query results, does not distinguish variables that control psql behavior. 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