VULNERABILITY INTELLIGENCE

CVE-2026-40468

CVSS score2.1 LOW
EPSS probability0.20%
CISA KEVNot currently listed
Published2026-07-13
Last modified2026-07-14
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L

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.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references