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.

An update of the gawk package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2026-40469)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
338228	Photon OS 5.0: Gawk PHSA-2026-5.0-91-0933	Nessus	PhotonOS Local Security Checks	Local	medium
333622	Photon OS 5.0: Gawk PHSA-2026-5.0-92-0933	Nessus	PhotonOS Local Security Checks	Local	medium
331103	Photon OS 5.0: Gawk PHSA-2026-5.0-0933	Nessus	PhotonOS Local Security Checks	Local	medium
326562	Linux Distros Unpatched Vulnerability : CVE-2026-40469	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-40469

medium

Tenable Plugins

medium

medium

medium

medium