CVE-2026-14669
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Aug 13, 2026
Vendor
unknown
Description
Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.