CVE-2026-40469 – Heap buffer overflow in gawk

CVE ID :CVE-2026-40469

Published : July 13, 2026, 12:07 p.m. | 1 hour, 22 minutes ago

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.

Severity: 5.1 | MEDIUM

Visit the link for more details, such as CVSS details, affected products, timeline, and more…