Unrated severityNVD Advisory· Published Feb 12, 2026· Updated Feb 12, 2026
PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory
CVE-2026-2007
Description
Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of attacks that lead to privilege escalation. PostgreSQL 18.1 and 18.0 are affected.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38- PostgreSQL/pg_trgmdescription
- Range: >=18.0 <=18.1 <=18.1
- osv-coords36 versionspkg:bitnami/postgresqlpkg:rpm/almalinux/postgresql18pkg:rpm/almalinux/postgresql18-contribpkg:rpm/almalinux/postgresql18-docspkg:rpm/almalinux/postgresql18-plperlpkg:rpm/almalinux/postgresql18-plpython3pkg:rpm/almalinux/postgresql18-private-develpkg:rpm/almalinux/postgresql18-private-libspkg:rpm/almalinux/postgresql18-serverpkg:rpm/almalinux/postgresql18-server-develpkg:rpm/almalinux/postgresql18-staticpkg:rpm/almalinux/postgresql18-testpkg:rpm/almalinux/postgresql18-test-rpm-macrospkg:rpm/almalinux/postgresql18-upgradepkg:rpm/almalinux/postgresql18-upgrade-develpkg:rpm/opensuse/postgresql18&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/postgresql18&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql18&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/postgresql18-mini&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/postgresql18&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5
>= 18.0.0, < 18.2.0+ 35 more
- (no CPE)range: >= 18.0.0, < 18.2.0
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-1.el10_2
- (no CPE)range: < 18.3-150600.13.8.1
- (no CPE)range: < 18.3-160000.1.1
- (no CPE)range: < 18.2-1.1
- (no CPE)range: < 18.3-160000.1.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.3-150600.13.8.1
- (no CPE)range: < 18.3-150600.13.8.1
- (no CPE)range: < 18.3-150600.13.8.1
- (no CPE)range: < 18.2-8.6.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.3-150600.13.8.1
- (no CPE)range: < 18.3-160000.1.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.2-150200.5.6.1
- (no CPE)range: < 18.3-150600.13.8.1
- (no CPE)range: < 18.3-160000.1.1
- (no CPE)range: < 18.2-8.6.1
Patches
Vulnerability mechanics
References
1News mentions
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