This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-40469 →

DEBIAN-CVE-2026-40469

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...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 gawk

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 gawk

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 gawk

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

advisory security-tracker.debian.org