High severity8.8NVD Advisory· Published Aug 13, 2026· Updated Aug 19, 2026
CVE-2026-14676
CVE-2026-14676
Description
Heap buffer overflow in PostgreSQL pg_stat_statements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array constants. Within major version 18, minor versions before PostgreSQL 18.5 are affected. Versions before PostgreSQL 18 are unaffected.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
45cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*range: >=18.0,<18.5
- (no CPE)range: <18.5
- osv-coords42 versionspkg:rpm/almalinux/postgresql18pkg:rpm/almalinux/postgresql18-contribpkg:rpm/almalinux/postgresql18-private-develpkg:rpm/almalinux/postgresql18-test-rpm-macrospkg:rpm/almalinux/postgresql18-upgradepkg:rpm/almalinux/postgresql-plpython3pkg:rpm/almalinux/postgresql18-private-libspkg:rpm/almalinux/postgres-decoderbufspkg:rpm/almalinux/pgvectorpkg:rpm/almalinux/postgresql-pltclpkg:rpm/almalinux/postgresql18-upgrade-develpkg:rpm/almalinux/postgresql-private-libspkg:rpm/almalinux/postgresql-serverpkg:rpm/almalinux/postgresql-staticpkg:rpm/almalinux/postgresql18-plperlpkg:rpm/almalinux/postgresql18-plpython3pkg:rpm/almalinux/postgresql18-server-develpkg:rpm/almalinux/postgresql18-staticpkg:rpm/almalinux/postgis-docspkg:rpm/almalinux/postgis-utilspkg:rpm/almalinux/postgresql-contribpkg:rpm/almalinux/postgresql-docspkg:rpm/almalinux/postgresql-plperlpkg:rpm/almalinux/postgresql18-serverpkg:rpm/almalinux/postgresql18-testpkg:rpm/almalinux/postgispkg:rpm/almalinux/postgis-clientpkg:rpm/almalinux/postgis-upgradepkg:rpm/almalinux/postgresql-private-develpkg:rpm/almalinux/pgauditpkg:rpm/almalinux/postgresql-upgradepkg:rpm/opensuse/postgresql18&distro=openSUSE%20Tumbleweedpkg:rpm/almalinux/postgresql-testpkg:rpm/almalinux/postgresql18-docspkg:rpm/almalinux/pg_repackpkg:rpm/almalinux/postgresqlpkg:rpm/almalinux/postgresql-server-develpkg:rpm/opensuse/postgresql18&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql18-mini&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/postgresql-upgrade-develpkg:bitnami/postgresqlpkg:rpm/almalinux/postgresql-test-rpm-macros
< 18.6-1.el10_2+ 41 more
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 3.3.1-1.Final.module_el9.8.0+234+5456f35d
- (no CPE)range: < 0.8.1-1.module_el9.8.0+234+5456f35d
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 3.6.1-4.module_el9.8.0+310+22372bcc
- (no CPE)range: < 3.6.1-4.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 3.6.1-4.module_el9.8.0+310+22372bcc
- (no CPE)range: < 3.6.1-4.module_el9.8.0+310+22372bcc
- (no CPE)range: < 3.6.1-4.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.0-1.module_el9.8.0+234+5456f35d
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.1
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.el10_2
- (no CPE)range: < 1.5.3-1.module_el9.8.0+234+5456f35d
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: < 18.6-160000.1.1
- (no CPE)range: < 18.6-160000.1.1
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- (no CPE)range: >= 18.0.0, < 18.5.0
- (no CPE)range: < 18.6-1.module_el9.8.0+310+22372bcc
- Range: <18.5
Patches
Vulnerability mechanics
References
1- www.postgresql.org/support/security/CVE-2026-14676/nvdVendor Advisory
News mentions
0No linked articles in our index yet.