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\nAutovacuum, CLUSTER, CREATE INDEX, REINDEX, REFRESH MATERIALIZED VIEW, and pg_amcheck activated the “security restricted operation” protection mechanism too late, or even not at all in some code paths. A user having permission to create non-temporary objects within a database could define an object that would execute arbitrary SQL code with superuser permissions the next time that autovacuum processed the object, or that some superuser ran one of the affected commands against it.
The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. (CVE-2022-1552)
", "text": "Confine additional operations within “security restricted operation” sandboxes (Sergey Shinderuk, Noah Misch) Autovacuum, CLUSTER, CREATE INDEX, REINDEX, REFRESH MATERIALIZED VIEW, and pg_amcheck activated the “security restricted operation” protection mechanism too late, or even not at all in some code paths. A user having permission to create non-temporary objects within a database could define an object that would execute arbitrary SQL code with superuser permissions the next time that autovacuum processed the object, or that some superuser ran one of the affected commands against it. The PostgreSQL Project thanks Alexander Lakhin for reporting this problem. 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\nThe column names in tuples produced by a whole-row variable (such as tbl.* in contexts other than the top level of a SELECT list) are now always those of the associated named composite type, if there is one. We'd previously attempted to make them track any column aliases that had been applied to the FROM entry the variable refers to. But that's semantically dubious, because really then the output of the variable is not at all of the composite type it claims to be. Previous attempts to deal with that inconsistency had bad results up to and including storing unreadable data on disk, so just give up on the whole idea.
In cases where it's important to be able to relabel such columns, a workaround is to introduce an extra level of sub-SELECT, so that the whole-row variable is referring to the sub-SELECT's output and not to a plain table. Then the variable is of type record to begin with and there's no issue.
Fix incorrect output for types timestamptz and timetz in table_to_xmlschema() and allied functions (Renan Soares Lopes)
The xmlschema output for these types included a malformed regular expression.
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Fix planner errors for GROUPING() constructs that reference outer query levels (Richard Guo, Tom Lane)
Fix plan generation for index-only scans on indexes with both returnable and non-returnable columns (Tom Lane)
\nThe previous coding could try to read non-returnable columns in addition to the returnable ones. This was fairly harmless because it didn't actually do anything with the bogus values, but it fell foul of a recently-added error check that rejected such a plan.
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", "text": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering (Aliaksandr Kalenik)", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/10.21/#id-1.11.6.7.6", "source_hash": "dfbea564d784578d8985ff0640b98d1c656dbd58c68aba9defccb306bf24cd99", "section_path": ["Changes"], "commit_groups": [["0d554775b", "2e9033a54", "3f74daa8d", "7a12a9e3c", "ac2303aa0", "c76665edc"]], "identity_text": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering (Aliaksandr Kalenik)", "commit_aliases": ["0d554775b", "2e9033a54", "3f74daa8d", "7a12a9e3c", "ac2303aa0", "c76665edc"], "source_commits": ["2e9033a54"], "source_entry_id": "10.21/changes/007", "db_id": "8b428e03a852b24df2398da6fce496f9", "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c", "relations": [{"rule": 2, "type": "equivalent", "target": "5e20fe6d76ddabf53f4be2f89d20e818", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}, {"rule": 2, "type": "equivalent", "target": "67e54ee90f61b5ba4f10c442bccd81e7", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}, {"rule": 2, "type": "equivalent", "target": "c4dc002e8eff145c0a822b7c88deaea8", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}, {"rule": 2, "type": "equivalent", "target": "e754f05172c47425f13728c730c2b6cb", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}}], "version": "10.21", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "67e54ee90f61b5ba4f10c442bccd81e7", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=14.3#14.3-88ea6eb77fb41d9d", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "e754f05172c47425f13728c730c2b6cb", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=13.7#13.7-eea350e990077f35", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "5e20fe6d76ddabf53f4be2f89d20e818", "kind": "equivalent", "version": "12.11", "label": "12.11", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=12.11#12.11-eb0eaa83057dd926", "source_url": "/docs/release/12.11/#id-1.11.6.17.5"}, {"db_id": "c4dc002e8eff145c0a822b7c88deaea8", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix query-lifespan memory leak in an IndexScan node that is performing reordering", "evidence": {"same_day": true, "patch_ids": ["9cf0ef0843729535ecc47c7563d0f8f3"], "statement_hash": "bb2869647998c700f76b62d86ada7faee68fa2561d4f6b4dd4d33ba16485306c"}, "url": "/docs/compare/?release=11.16#11.16-863893d1401fceb9", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}]}, {"id": "10.21-95d08b4faf9ef232", "cves": [], "html": "Fix ALTER FUNCTION to support changing a function's parallelism property and its SET-variable list in the same command (Tom Lane)
The parallelism property change was lost if the same command also updated the function's SET clause.
Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression (Peter Geoghegan, Thomas Munro)
The table would be rebuilt with the correct data, but in an order having little to do with the index order.
", "text": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression (Peter Geoghegan, Thomas Munro) The table would be rebuilt with the correct data, but in an order having little to do with the index order.", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/10.21/#id-1.11.6.7.6", "source_hash": "03b3e5aa9abdb8d9a0163638d2ce3d8c4ee4183df09683ca26ba595cecfdfd68", "section_path": ["Changes"], "commit_groups": [["1272630a2", "5487585e3", "8ab0ebb9a", "a903895b3", "adb2d84fc", "e4521841a"]], "identity_text": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression (Peter Geoghegan, Thomas Munro) The table would be rebuilt with the correct data, but in an order having little to do with the index order.", "commit_aliases": ["1272630a2", "5487585e3", "8ab0ebb9a", "a903895b3", "adb2d84fc", "e4521841a"], "source_commits": ["a903895b3"], "source_entry_id": "10.21/changes/009", "db_id": "00d8cc4d2df09875b843bd1510c7912c", "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca", "relations": [{"rule": 2, "type": "equivalent", "target": "12527d4d3cfb55406276951c18a2d33e", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}, {"rule": 2, "type": "equivalent", "target": "18154cd75fda1ba65fa17913f5ebe458", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}, {"rule": 2, "type": "equivalent", "target": "9ef5206aa477e4189e0fc1416397a897", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}, {"rule": 2, "type": "equivalent", "target": "eeadfde9c6478270c9cc562840a40f6b", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}}], "version": "10.21", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "9ef5206aa477e4189e0fc1416397a897", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=14.3#14.3-2c8715e3c1588e6b", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "eeadfde9c6478270c9cc562840a40f6b", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=13.7#13.7-c19c6dc51403a951", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "18154cd75fda1ba65fa17913f5ebe458", "kind": "equivalent", "version": "12.11", "label": "12.11", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=12.11#12.11-a09e04543c50e358", "source_url": "/docs/release/12.11/#id-1.11.6.17.5"}, {"db_id": "12527d4d3cfb55406276951c18a2d33e", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix mis-sorting of table rows when CLUSTERing using an index whose leading key is an expression", "evidence": {"same_day": true, "patch_ids": ["beb8b29b6b7a279fd9c643c75dfec048"], "statement_hash": "c89ead64dcfa64fe0cc30d999a82b58716a4655d95bb47ffcb27f728c59a83ca"}, "url": "/docs/compare/?release=11.16#11.16-b4eacb4bfb1c77f3", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}]}, {"id": "10.21-a7c7f2e0baa6790f", "cves": [], "html": "Fix race condition between DROP TABLESPACE and checkpointing (Nathan Bossart)
The checkpoint forced by DROP TABLESPACE could sometimes fail to remove all dead files from the tablespace's directory, leading to a bogus “tablespace is not empty” error.
Fix possible trouble in crash recovery after a TRUNCATE command that overlaps a checkpoint (Kyotaro Horiguchi, Heikki Linnakangas, Robert Haas)
TRUNCATE must ensure that the table's disk file is truncated before the checkpoint is allowed to complete. Otherwise, replay starting from that checkpoint might find unexpected data in the supposedly-removed pages, possibly causing replay failure.
Fix unsafe toast-data accesses during temporary object cleanup (Andres Freund)
\nTemporary-object deletion during server process exit could fail with “FATAL: cannot fetch toast data without an active snapshot”. This was usually harmless since the next use of that temporary schema would clean up successfully.
", "text": "Fix unsafe toast-data accesses during temporary object cleanup (Andres Freund) Temporary-object deletion during server process exit could fail with “FATAL: cannot fetch toast data without an active snapshot”. This was usually harmless since the next use of that temporary schema would clean up successfully.", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/10.21/#id-1.11.6.7.6", "source_hash": "232a07b3b4a21d079e539991519fd0ac0767338fe8756873eb40a6d45118e0fc", "section_path": ["Changes"], "commit_groups": [["0033fc63f", "3faa21bb7", "7bbfe5994", "7c38ef2a5", "c2551483e", "cebc54b90"]], "identity_text": "Fix unsafe toast-data accesses during temporary object cleanup (Andres Freund) Temporary-object deletion during server process exit could fail with FATAL: cannot fetch toast data without an active snapshot. This was usually harmless since the next use of that temporary schema would clean up successfully.", "commit_aliases": ["0033fc63f", "3faa21bb7", "7bbfe5994", "7c38ef2a5", "c2551483e", "cebc54b90"], "source_commits": ["cebc54b90"], "source_entry_id": "10.21/changes/012", "db_id": "8a604d943f999d3621ddd702ae5361bd", "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f", "relations": [{"rule": 2, "type": "equivalent", "target": "032efc6442217e5375f6d528eb22bb61", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}, {"rule": 2, "type": "equivalent", "target": "1de9775a50fcc38cb20f848f22f0c990", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}, {"rule": 2, "type": "equivalent", "target": "7fe45e5fb801a18a0572d9b1f633fcfe", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}, {"rule": 2, "type": "equivalent", "target": "e09ae6f09ca06e58a50e74ead9e74406", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}}], "version": "10.21", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1de9775a50fcc38cb20f848f22f0c990", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=14.3#14.3-180c178af2d9ff42", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "7fe45e5fb801a18a0572d9b1f633fcfe", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=13.7#13.7-de75fc488eada203", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "e09ae6f09ca06e58a50e74ead9e74406", "kind": "equivalent", "version": "12.11", "label": "12.11", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=12.11#12.11-5241c5c0dfa9c25e", "source_url": "/docs/release/12.11/#id-1.11.6.17.5"}, {"db_id": "032efc6442217e5375f6d528eb22bb61", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Fix unsafe toast-data accesses during temporary object cleanup", "evidence": {"same_day": true, "patch_ids": ["26c8eced86f6a3a6ca54273b5b528cb5"], "statement_hash": "d68a03834adaf6467c3f014833d53caeae4a45aa56d4c32aad2fec7fce33789f"}, "url": "/docs/compare/?release=11.16#11.16-f7d55d6e06eafd95", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}]}, {"id": "10.21-64c666717bb49df5", "cves": [], "html": "Fix “PANIC: xlog flush request is not satisfied” failure during standby promotion when there is a missing WAL continuation record (Sami Imseih)
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\nWith unlucky timing, the WAL-applying process could get stuck while waiting for some other process to release a buffer lock.
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\nv13 and later servers support publishing partitioned tables. Older server versions cannot handle subscribing to such a table, and they gave a very misleading error message: “table XYZ not found on publisher”. Arrange to deliver a more on-point message.
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Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions (Tom Lane)
\npg_ctl would verify that the postmaster is alive as a side-effect of sending the stop or promote signal, but then it just naively waited to see the on-disk state change. If the postmaster died uncleanly without having removed its PID file or updated the control file, pg_ctl would wait until timeout. Instead make it recheck every so often that the postmaster process is still there.
", "text": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions (Tom Lane) pg_ctl would verify that the postmaster is alive as a side-effect of sending the stop or promote signal, but then it just naively waited to see the on-disk state change. If the postmaster died uncleanly without having removed its PID file or updated the control file, pg_ctl would wait until timeout. Instead make it recheck every so often that the postmaster process is still there.", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/10.21/#id-1.11.6.7.6", "source_hash": "347060c1a43aa846931e3cddfd2a48ed2b9ead82a4965efd2c489d22be7de768", "section_path": ["Changes"], "commit_groups": [["1e8c5cf7c", "34523933b", "61c20a5ea", "69cc15c31", "a745b9365", "d0e1fd958"]], "identity_text": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions (Tom Lane) pg_ctl would verify that the postmaster is alive as a side-effect of sending the stop or promote signal, but then it just naively waited to see the on-disk state change. If the postmaster died uncleanly without having removed its PID file or updated the control file, pg_ctl would wait until timeout. Instead make it recheck every so often that the postmaster process is still there.", "commit_aliases": ["1e8c5cf7c", "34523933b", "61c20a5ea", "69cc15c31", "a745b9365", "d0e1fd958"], "source_commits": ["34523933b"], "source_entry_id": "10.21/changes/020", "db_id": "34e228fe7feaf05f81e9c42f38121b9d", "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da", "relations": [{"rule": 2, "type": "equivalent", "target": "4dfa47cd00fd62c8e09003015eead70b", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}, {"rule": 2, "type": "equivalent", "target": "90cf21300bd071aadc57d55aebd19b4c", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}, {"rule": 2, "type": "equivalent", "target": "9bc45a590ac3fb2d68c48c532cc62b14", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}, {"rule": 2, "type": "equivalent", "target": "c7a94a5f0922f7af615dda1c9d643669", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}}], "version": "10.21", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "c7a94a5f0922f7af615dda1c9d643669", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=14.3#14.3-d026366bb6adde15", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "4dfa47cd00fd62c8e09003015eead70b", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=13.7#13.7-c4dcfd3502a7107a", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "9bc45a590ac3fb2d68c48c532cc62b14", "kind": "equivalent", "version": "12.11", "label": "12.11", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=12.11#12.11-57b7c908c94fa0ec", "source_url": "/docs/release/12.11/#id-1.11.6.17.5"}, {"db_id": "90cf21300bd071aadc57d55aebd19b4c", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Make pg_ctl recheck postmaster aliveness while waiting for stop/restart/promote actions", "evidence": {"same_day": true, "patch_ids": ["0bb132275b9eba5fcdda1fbd544ef5e9"], "statement_hash": "2be54ada8e5bc704427ebc6389811723ded88977581679b61761d562f50240da"}, "url": "/docs/compare/?release=11.16#11.16-3835b2168126e4a6", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}]}, {"id": "10.21-eef5cd7bb1384ae4", "cves": [], "html": "Ensure that contrib/pageinspect functions cope with all-zero pages (Michael Paquier)
This is a legitimate edge case, but the module was mostly unprepared for it. Arrange to return nulls, or no rows, as appropriate; that seems more useful than raising an error.
", "text": "Ensure that contrib/pageinspect functions cope with all-zero pages (Michael Paquier) This is a legitimate edge case, but the module was mostly unprepared for it. Arrange to return nulls, or no rows, as appropriate; that seems more useful than raising an error.", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/10.21/#id-1.11.6.7.6", "source_hash": "3c71af0afb3c78575ff18a244d86eff488b3cd659294f1600341c9c1f0014e2d", "section_path": ["Changes"], "commit_groups": [["12d32b7bc", "2275d044d", "5378d55cb", "79fed072b", "cd4868a57", "df6bbe73b"]], "identity_text": "Ensure that contrib/pageinspect functions cope with all-zero pages (Michael Paquier) This is a legitimate edge case, but the module was mostly unprepared for it. Arrange to return nulls, or no rows, as appropriate; that seems more useful than raising an error.", "commit_aliases": ["12d32b7bc", "2275d044d", "5378d55cb", "79fed072b", "cd4868a57", "df6bbe73b"], "source_commits": ["12d32b7bc"], "source_entry_id": "10.21/changes/021", "db_id": "e551302d98b39d821362609674fcc686", "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14", "relations": [{"rule": 2, "type": "equivalent", "target": "6191ffd8e15d53d8989da3a4601b97f4", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}, {"rule": 2, "type": "equivalent", "target": "ac629facc0ab6d2ce561818a9622e876", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}, {"rule": 2, "type": "equivalent", "target": "bfe0b6dd19d5cc9a5935136923c14453", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}, {"rule": 2, "type": "equivalent", "target": "fa0abcafe43664b59c9c2d2232e9842f", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}}], "version": "10.21", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "6191ffd8e15d53d8989da3a4601b97f4", "kind": "equivalent", "version": "14.3", "label": "14.3", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=14.3#14.3-73e8847f0bbbd8ec", "source_url": "/docs/release/14.3/#id-1.11.6.27.5"}, {"db_id": "bfe0b6dd19d5cc9a5935136923c14453", "kind": "equivalent", "version": "13.7", "label": "13.7", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=13.7#13.7-6a5b3a08c8e30123", "source_url": "/docs/release/13.7/#id-1.11.6.22.5"}, {"db_id": "ac629facc0ab6d2ce561818a9622e876", "kind": "equivalent", "version": "12.11", "label": "12.11", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=12.11#12.11-7ceeb7a6a550aad4", "source_url": "/docs/release/12.11/#id-1.11.6.17.5"}, {"db_id": "fa0abcafe43664b59c9c2d2232e9842f", "kind": "equivalent", "version": "11.16", "label": "11.16", "title": "Ensure that contrib/pageinspect functions cope with all-zero pages", "evidence": {"same_day": true, "patch_ids": ["8ab33d6259c498b53cea69b3ebad4f8b"], "statement_hash": "08ccc5cbe2611baffc6749b8e9ccc5b5ffbaf7dae210a0d3e944e42fd5a39c14"}, "url": "/docs/compare/?release=11.16#11.16-eef5cd7bb1384ae4", "source_url": "/docs/release/11.16/#id-1.11.6.11.5"}]}, {"id": "10.21-707eddeed69d6f6b", "cves": [], "html": "In contrib/pageinspect, add defenses against incorrect page “special space” contents, tighten checks for correct page size, and add some missing checks that an index is of the expected type (Michael Paquier, Justin Pryzby, Julien Rouhaud)
These changes make it less likely that the module will crash on bad data.
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This fix prevents situations where the remote server might sort in a different order than we intend. While sometimes that would be only cosmetic, it could produce thoroughly wrong results if the remote data is used as input for a locally-performed merge join.
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"description_en": "Autovacuum, REINDEX , CREATE INDEX , REFRESH MATERIALIZED VIEW , CLUSTER , and pg_amcheck made incomplete efforts to operate safely when a privileged user is maintaining another user's objects. Those commands activated relevant protections too late or not at all. An attacker having permission to create non-temp objects in at least one schema could execute arbitrary SQL functions under a superuser identity.\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, not manually running the above commands, and not restoring from output of the pg_dump command. Performance may degrade quickly under this workaround. VACUUM is safe, and all commands are fine when a trusted user owns the target object.\n\nThe PostgreSQL project thanks Alexander Lakhin for reporting this problem.", "first_published": "2022-05-12", "fixed_version": "10.21"}], "cve_available": true, "remaining_cves": [], "security_regressions": [], "warnings": [], "candidate_count": 29, "already_in_source_count": 0, "duplicate_count": 0, "excluded_count": 0, "exclusions": [], "source_as_of": "2026-09-26", "security_as_of": "2026-09-26"}