CVE-2026-14670

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.5 PostgreSQL versions prior to 17.11 PostgreSQL versions prior to 16.15 PostgreSQL versions prior to 15.19 PostgreSQL versions prior to 14.24

Description A heap buffer overflow occurs in the plperl language handler when returning a tied hash. This allows a function owner to execute arbitrary code with the privileges of the operating system user running the database by using a specially crafted function body.

Recommendations Update to version 18.5 or later. Update to version 17.11 or later. Update to version 16.15 or later. Update to version 15.19 or later. Update to version 14.24 or later.