CVE-2026-9541

Name	CVE-2026-9541
Description	A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
squirrel3 (PTS)	bullseye	3.1-8	vulnerable
	trixie	3.1-8.2	vulnerable
	forky, sid	3.1-8.4	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
squirrel3	source	(unstable)	(unfixed)

Notes

[trixie] - squirrel3 <ignored> (Minor issue)
[bullseye] - squirrel3 <postponed> (Minor issue)
https://github.com/albertodemichelis/squirrel/issues/327