Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade postgresql17Upgrade postgresql16Upgrade postgresql15Upgrade postgresql18 | Aug 17, 2026 | Aug 13, 2026 |
| Amazon Linux Ami 2 | — | Upgrade postgresql-pltclUpgrade postgresql-test-rpm-macrosUpgrade postgresql-debuginfoUpgrade postgresql-upgrade-develUpgrade postgresql-plpython3Upgrade postgresql-llvmjitUpgrade postgresql-contribUpgrade postgresql-docsUpgrade postgresql-plperlUpgrade postgresql-testUpgrade postgresql-serverUpgrade postgresql-server-develUpgrade postgresqlUpgrade postgresql-upgradeUpgrade postgresql-static | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade postgresql15-pltcl-debuginfoUpgrade postgresql15-test-debuginfoUpgrade postgresql16-pltcl-debuginfoUpgrade postgresql16-staticUpgrade postgresql17-debugsourceUpgrade postgresql17-pltcl-debuginfoUpgrade postgresql15-plpython3-debuginfoUpgrade postgresql17-plpython3-debuginfoUpgrade postgresql18-upgrade-develUpgrade postgresql15-llvmjitUpgrade postgresql18-private-develUpgrade postgresql17-llvmjitUpgrade postgresql15-server-debuginfoUpgrade postgresql17-plperlUpgrade postgresql17-private-libsUpgrade postgresql17-contrib-debuginfoUpgrade postgresql17-server-develUpgrade postgresql16-private-libs-debuginfoUpgrade postgresql16-llvmjitUpgrade postgresql16-server-devel-debuginfoUpgrade postgresql18Upgrade postgresql18-private-libsUpgrade postgresql18-upgrade-debuginfoUpgrade postgresql18-contrib-debuginfoUpgrade postgresql16-test-debuginfoUpgrade postgresql18-server-devel-debuginfoUpgrade postgresql18-serverUpgrade postgresql15-upgrade-develUpgrade postgresql18-plperl-debuginfoUpgrade postgresql16-server-develUpgrade postgresql16-test-rpm-macrosUpgrade postgresql16-server-debuginfoUpgrade postgresql17-llvmjit-debuginfoUpgrade postgresql16-plperl-debuginfoUpgrade postgresql15-private-develUpgrade postgresql15-upgradeUpgrade postgresql17-private-libs-debuginfoUpgrade postgresql15-server-develUpgrade postgresql15-server-devel-debuginfoUpgrade postgresql18-private-libs-debuginfoUpgrade postgresql15-staticUpgrade postgresql16-docs-debuginfoUpgrade postgresql17-test-rpm-macrosUpgrade postgresql15-upgrade-debuginfoUpgrade postgresql16-docsUpgrade postgresql16-upgrade-develUpgrade postgresql17-serverUpgrade postgresql15-plperl-debuginfoUpgrade postgresql18-server-debuginfoUpgrade postgresql18-docsUpgrade postgresql17-plpython3Upgrade postgresql18-plperlUpgrade postgresql15Upgrade postgresql15-plperlUpgrade postgresql16-plpython3-debuginfoUpgrade postgresql15-private-libsUpgrade postgresql16-serverUpgrade postgresql17-private-develUpgrade postgresql17-docsUpgrade postgresql18-upgradeUpgrade postgresql17-test-debuginfoUpgrade postgresql18-plpython3Upgrade postgresql16-pltclUpgrade postgresql16-contrib-debuginfoUpgrade postgresql15-test-rpm-macrosUpgrade postgresql15-private-libs-debuginfoUpgrade postgresql15-plpython3Upgrade postgresql18-debugsourceUpgrade postgresql17-upgrade-devel-debuginfoUpgrade postgresql16-upgrade-debuginfoUpgrade postgresql17Upgrade postgresql15-serverUpgrade postgresql18-staticUpgrade postgresql16-plpython3Upgrade postgresql18-pltclUpgrade postgresql17-upgrade-develUpgrade postgresql16-llvmjit-debuginfoUpgrade postgresql17-contribUpgrade postgresql18-testUpgrade postgresql18-contribUpgrade postgresql17-pltclUpgrade postgresql16-private-libsUpgrade postgresql16-debuginfoUpgrade postgresql15-testUpgrade postgresql16-contribUpgrade postgresql17-staticUpgrade postgresql18-debuginfoUpgrade postgresql15-llvmjit-debuginfoUpgrade postgresql15-contribUpgrade postgresql18-test-debuginfoUpgrade postgresql18-plpython3-debuginfoUpgrade postgresql17-upgradeUpgrade postgresql15-pltclUpgrade postgresql15-docs-debuginfoUpgrade postgresql16-testUpgrade postgresql16-private-develUpgrade postgresql15-debugsourceUpgrade postgresql15-docsUpgrade postgresql16Upgrade postgresql18-pltcl-debuginfoUpgrade postgresql18-llvmjitUpgrade postgresql17-upgrade-debuginfoUpgrade postgresql17-testUpgrade postgresql17-docs-debuginfoUpgrade postgresql16-upgradeUpgrade postgresql16-plperlUpgrade postgresql15-upgrade-devel-debuginfoUpgrade postgresql18-llvmjit-debuginfoUpgrade postgresql15-contrib-debuginfoUpgrade postgresql18-test-rpm-macrosUpgrade postgresql18-server-develUpgrade postgresql15-debuginfoUpgrade postgresql18-docs-debuginfoUpgrade postgresql17-server-debuginfoUpgrade postgresql17-plperl-debuginfoUpgrade postgresql16-upgrade-devel-debuginfoUpgrade postgresql16-debugsourceUpgrade postgresql17-debuginfoUpgrade postgresql17-server-devel-debuginfoUpgrade postgresql18-upgrade-devel-debuginfo | Sep 1, 2026 | Aug 13, 2026 |
| Debian | — | Upgrade postgresql-15Upgrade postgresql-17 | Aug 16, 2026 | Aug 16, 2026 |
| Freebsd | — | Upgrade postgresql14-serverUpgrade postgresql15-serverUpgrade postgresql17-serverUpgrade postgresql16-serverUpgrade postgresql18-server | Aug 17, 2026 | Aug 16, 2026 |
| Postgres | — | Upgrade to PostgreSQL version 18.6Upgrade to PostgreSQL version 14.24Upgrade to PostgreSQL version 17.11Upgrade to PostgreSQL version 16.15Upgrade to PostgreSQL version 15.19 | Aug 14, 2026 | Aug 13, 2026 |
| Redhat_linux | — | No solution exists | Sep 7, 2026 | Aug 13, 2026 |
| Ubuntu | — | Upgrade postgresql-16Upgrade postgresql-18Upgrade postgresql-14 | Aug 20, 2026 | Aug 13, 2026 |
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