VULNERABILITY INTELLIGENCE
CVE-2026-40469
CVSS score9.1 CRITICAL
EPSS probability0.21%
CISA KEVNot currently listed
Published2026-07-13
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Description
Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below.
Weakness classification
- cvd@cert.pl: CWE-190
Primary references
- cvd@cert.pl — Third Party Advisory
- cvd@cert.pl — Patch