PostgreSQL: Use-after-free in plperl extension (CVE-2026-116319)
A use-after-free vulnerability in the PostgreSQL plperl extension allows an object creator to execute arbitrary code as the operating system user running the database via reentrant return_next() calls.
CVE search metadata
CVE search record: CVE-2026-116319. Severity: high. CVSS: 8.8. KEV: no. Product: PostgreSQL (< 18.7, < 17.12, < 16.16, < 15.20, < 14.25). Brief: PostgreSQL: Use-after-free in plperl extension (CVE-2026-116319). Brief link: https://feed.craftedsignal.io/briefs/2026-11-postgresql-plperl-uaf-cve-2026-116319/
Triage facts
Revision 1- Applicability
- PostgreSQL (< 18.7, < 17.12, < 16.16, < 15.20, < 14.25)
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Nov 12, 16:52 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
A use-after-free vulnerability exists in the PostgreSQL plperl extension. An object creator can trigger this flaw through reentrant return_next() calls, which allows for the execution of arbitrary code as the operating system user running the database. This vulnerability affects PostgreSQL versions before 18.7, 17.12, 16.16, 15.20, and 14.25.