Security Advisory
CVE-2026-40468
9.1
CRITICAL
Vulnerability Description
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.
Published Date
July 13, 2026
Official Source
NIST NVD Advisory