Skip to content
CVE PROGRAM SOURCE RECORD2.1 Low

CVE-2026-40468

Heap buffer overflow in gawk

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

GNU gawk

Default version status: unaffected

  • 0 to ≤ 5.4.0affected

References