CVE-2026-14669

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 to char(timestamptz) function. This issue allows a user who can specify the timezone to execute arbitrary code with the privileges of the operating system user running the database by providing a long POSIX timezone abbreviation.

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.