CVE-2026-6846

Name	CVE-2026-6846
Description	A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.
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
binutils (PTS)	bullseye	2.35.2-2	vulnerable
	bookworm	2.40-2	vulnerable
	trixie	2.44-3	vulnerable
	forky, sid	2.46-3	vulnerable

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

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

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2460006
https://sourceware.org/bugzilla/show_bug.cgi?id=34049
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7a089e0302382f4d4e077941156e1eaa68d01393
binutils not covered by security support