CVE-2026-120139
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Nov 12, 2026
Vendor
unknown
Description
Integer wraparound in PostgreSQL in-memory tuple-size calculations allows a database user to execute arbitrary code as the operating system user running the database, via oversized tuple data. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.