High [CVE-2026-2007] PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory
This high-severity Red Hat Linux advisory covers CVE-2026-2007 affecting Red Hat Enterprise Linux 10, Red Hat Hardened Images, Red Hat Enterprise Linux 9.
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Summary
PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory. Red Hat rates this important (CVSS 8.2).
Weakness: CWE-120. Affected package(s): postgresql18-main, postgresql18.
Resolved in Red Hat advisory RHSA-2026:19009 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Hardened Images; Red Hat Enterprise Linux 9.
- postgresql18-main-18.3-1.2.hum1
- postgresql18-0:18.3-1.el10_2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:19009
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:19009 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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