High8.2Red Hat & Ubuntu Linux
PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory
CVE-2026-2007 Published Feb 12, 2026
CVE-2026-2007
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
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 versions
- postgresql18-main-18.3-1.2.hum1
- postgresql18-0:18.3-1.el10_2
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Fixed versions
- RHSA-2026:19009
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- 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 4 hours ago·verify at source
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