CVE-2026-6192

Name	CVE-2026-6192
Description	A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is 839936aa33eb8899bbbd80fda02796bb65068951. It is suggested to install a patch to address this issue.
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)
Debian Bugs	1133832

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openjpeg2 (PTS)	bullseye	2.4.0-3	vulnerable
	bullseye (security)	2.4.0-3+deb11u2	vulnerable
	bookworm	2.5.0-2+deb12u2	vulnerable
	bookworm (security)	2.5.0-2+deb12u1	vulnerable
	trixie	2.5.3-2.1~deb13u1	vulnerable
	forky, sid	2.5.4-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openjpeg2	source	(unstable)	(unfixed)			1133832

Notes

https://github.com/uclouvain/openjpeg/issues/1619
https://github.com/uclouvain/openjpeg/pull/1628
Fixed by: https://github.com/uclouvain/openjpeg/commit/839936aa33eb8899bbbd80fda02796bb65068951