CVE-2026-5201

Name	CVE-2026-5201
Description	A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for example, via thumbnail generation. Successful exploitation leads to application crashes and denial of service (DoS) conditions.
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
gdk-pixbuf (PTS)	bullseye	2.42.2+dfsg-1+deb11u2	vulnerable
	bullseye (security)	2.42.2+dfsg-1+deb11u4	vulnerable
	bookworm	2.42.10+dfsg-1+deb12u3	vulnerable
	bookworm (security)	2.42.10+dfsg-1+deb12u2	vulnerable
	trixie	2.42.12+dfsg-4	vulnerable
	forky, sid	2.44.5+dfsg-4	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gdk-pixbuf	source	(unstable)	(unfixed)

Notes

https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/304
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/266
Fixed by: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/6455d640576743e35f79928bffea97a7ac1c241f (2.44.6)