CVE-2026-4887

Name	CVE-2026-4887
Description	A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by convincing a user to open a specially crafted PCX image. Successful exploitation could lead to out-of-bounds memory disclosure and a possible application crash, resulting in a Denial of Service (DoS).
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
gimp (PTS)	bullseye	2.10.22-4+deb11u2	vulnerable
	bullseye (security)	2.10.22-4+deb11u7	vulnerable
	bookworm	2.10.34-1+deb12u5	vulnerable
	bookworm (security)	2.10.34-1+deb12u9	vulnerable
	trixie (security), trixie	3.0.4-3+deb13u7	vulnerable
	forky	3.2.0~RC3-1	vulnerable
	sid	3.2.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gimp	source	(unstable)	3.2.0-1

Notes

https://gitlab.gnome.org/GNOME/gimp/-/issues/15960
Fixed by: https://gitlab.gnome.org/GNOME/gimp/-/commit/aabce89271a9943a43bda9225aa43fc524f1c8a4 (GIMP_3_2_0)