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Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade postgresqlUpgrade postgresql-contribUpgrade pgvectorUpgrade postgresql-pltclUpgrade postgresql-plperlUpgrade postgresql-testUpgrade postgresql-server-develUpgrade postgresql-serverUpgrade postgis-upgradeUpgrade pg_repackUpgrade postgis-utilsUpgrade postgresql-test-rpm-macrosUpgrade postgis-clientUpgrade pgauditUpgrade postgresql-plpython3Upgrade postgisUpgrade postgresql-upgradeUpgrade postgresql-staticUpgrade postgres-decoderbufsUpgrade postgresql-private-libsUpgrade postgresql-upgrade-develUpgrade postgis-docsUpgrade postgresql-private-develUpgrade postgresql-docs | Oct 11, 2026 | Sep 15, 2026 |
| Alpine Linux | — | Upgrade postgresql17Upgrade postgresql15Upgrade postgresql18Upgrade postgresql16 | Aug 17, 2026 | Aug 13, 2026 |
| Debian | — | Upgrade postgresql-17Upgrade postgresql-15 | Aug 16, 2026 | Aug 16, 2026 |
| Freebsd | — | Upgrade postgresql17-serverUpgrade postgresql16-serverUpgrade postgresql14-serverUpgrade postgresql15-serverUpgrade postgresql18-server | Aug 17, 2026 | Aug 16, 2026 |
| Oracle_linux | — | Upgrade pgvectorUpgrade postgisUpgrade postgresql18-private-develUpgrade postgresql-plperlUpgrade postgresql-serverUpgrade postgis-docsUpgrade postgresql18-testUpgrade postgresql-testUpgrade postgresql-upgradeUpgrade postgresql18-test-rpm-macrosUpgrade postgis-utilsUpgrade postgis-upgradeUpgrade postgresql-pltclUpgrade postgresql-plpython3Upgrade postgresql-test-rpm-macrosUpgrade postgresqlUpgrade postgresql-server-develUpgrade postgresql18Upgrade postgresql18-server-develUpgrade postgres-decoderbufsUpgrade postgresql18-staticUpgrade postgresql18-private-libsUpgrade postgresql18-plperlUpgrade postgresql18-upgradeUpgrade postgis-clientUpgrade postgresql-contribUpgrade postgresql18-plpython3Upgrade pg_repackUpgrade postgresql-docsUpgrade postgresql-staticUpgrade postgresql18-contribUpgrade postgresql-upgrade-develUpgrade pgauditUpgrade postgresql18-serverUpgrade postgresql18-docsUpgrade postgresql-private-develUpgrade postgresql-private-libsUpgrade postgresql18-upgrade-devel | Oct 22, 2026 | Aug 13, 2026 |
| Postgres | — | Upgrade to PostgreSQL version 17.11Upgrade to PostgreSQL version 14.24Upgrade to PostgreSQL version 15.19Upgrade to PostgreSQL version 16.15Upgrade to PostgreSQL version 18.6 | Aug 14, 2026 | Aug 13, 2026 |
| Redhat_linux | — | Upgrade postgresql18-test-rpm-macrosUpgrade postgresql18-plpython3-debuginfoUpgrade postgresql18-contribUpgrade postgresql-docs-debuginfoUpgrade postgresql-plpython3-debuginfoUpgrade postgresql-test-debuginfoUpgrade postgresql-pltclUpgrade pg_repack-debuginfoUpgrade postgresql18-upgrade-debuginfoUpgrade postgresql18-test-debuginfoUpgrade postgis-upgrade-debuginfoUpgrade postgis-upgradeUpgrade postgresql18-staticUpgrade postgresql-private-libsUpgrade postgresql-plpythonUpgrade postgis-client-debuginfoUpgrade postgresql18-upgrade-devel-debuginfoUpgrade postgresql-serverUpgrade postgresql18-debuginfoUpgrade pgvectorUpgrade postgresql-upgrade-debuginfoUpgrade postgresql18-private-develUpgrade postgresql18-pltcl-debuginfoUpgrade postgresql16-debugsourceUpgrade pgaudit-debuginfoUpgrade postgresql16-debuginfoUpgrade postgresql-plperl-debuginfoUpgrade pgaudit-debugsourceUpgrade postgresql-server-debuginfoUpgrade pg_repackUpgrade postgis-utilsUpgrade postgresql18-testUpgrade postgresqlUpgrade postgresql18-server-develUpgrade postgresql18-debugsourceUpgrade postgresql-test-rpm-macrosUpgrade postgresql-libsUpgrade postgresql-testUpgrade postgresql18-docs-debuginfoUpgrade postgresql-plpython3Upgrade postgresql18-plpython3Upgrade postgresql-plperlUpgrade postgres-decoderbufs-debugsourceUpgrade postgresql-server-develUpgrade postgresql-debugsourceUpgrade postgresql18-private-libs-debuginfoUpgrade postgresql-upgrade-devel-debuginfoUpgrade postgresql-private-libs-debuginfoUpgrade postgresql18-serverUpgrade postgresql-pltcl-debuginfoUpgrade postgres-decoderbufs-debuginfoUpgrade postgresql-staticUpgrade postgresql-contribUpgrade pgauditUpgrade postgresql-upgrade-develUpgrade postgisUpgrade postgresql18-docsUpgrade postgresql18-upgrade-develUpgrade pg_repack-debugsourceUpgrade pgvector-debuginfoUpgrade postgresql18-contrib-debuginfoUpgrade postgresql18-server-devel-debuginfoUpgrade postgresql-debuginfoUpgrade postgresql-private-develUpgrade postgresql18-server-debuginfoUpgrade postgresql18-plperlUpgrade postgresql-docsUpgrade pgvector-debugsourceUpgrade postgis-docsUpgrade postgresql-upgradeUpgrade postgis-debugsourceUpgrade postgresql18No solution existsUpgrade postgis-debuginfoUpgrade postgresql-contrib-debuginfoUpgrade postgis-clientUpgrade postgres-decoderbufsUpgrade postgresql18-plperl-debuginfoUpgrade postgresql-develUpgrade postgresql18-private-libsUpgrade postgresql18-upgradeUpgrade postgresql-server-devel-debuginfo | Aug 31, 2026 | Aug 13, 2026 |
| Rocky_linux | — | Upgrade postgresql-plpython3-debuginfoUpgrade postgresql-server-debuginfoUpgrade pg_repack-debugsourceUpgrade postgresqlUpgrade postgresql-debugsourceUpgrade postgresql-test-debuginfoUpgrade postgisUpgrade postgis-docsUpgrade postgresql-serverUpgrade postgresql-upgradeUpgrade postgis-upgradeUpgrade postgresql-pltcl-debuginfoUpgrade pg_repack-debuginfoUpgrade postgresql-staticUpgrade postgresql-private-libsUpgrade pg_repackUpgrade postgres-decoderbufs-debugsourceUpgrade pgaudit-debuginfoUpgrade postgresql-plperlUpgrade postgresql-plpython3Upgrade postgresql-server-develUpgrade postgresql-testUpgrade postgresql-upgrade-debuginfoUpgrade postgis-clientUpgrade postgis-client-debuginfoUpgrade pgvector-debuginfoUpgrade postgis-debuginfoUpgrade postgis-utilsUpgrade postgres-decoderbufs-debuginfoUpgrade postgresql-upgrade-develUpgrade pgvector-debugsourceUpgrade postgresql-private-libs-debuginfoUpgrade postgresql-private-develUpgrade postgresql-docsUpgrade postgresql-contribUpgrade postgresql-upgrade-devel-debuginfoUpgrade postgresql-server-devel-debuginfoUpgrade postgresql-pltclUpgrade postgresql-debuginfoUpgrade postgis-upgrade-debuginfoUpgrade pgvectorUpgrade postgresql-plperl-debuginfoUpgrade pgaudit-debugsourceUpgrade postgresql-docs-debuginfoUpgrade postgres-decoderbufsUpgrade postgis-debugsourceUpgrade postgresql-contrib-debuginfoUpgrade pgaudit | Sep 17, 2026 | Sep 15, 2026 |
| Ubuntu | — | Upgrade postgresql-14Upgrade postgresql-16Upgrade postgresql-18 | Aug 20, 2026 | Aug 13, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 22, 2026 | Aug 13, 2026 |
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