CVE-2026-6491

Name	CVE-2026-6491
Description	A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".
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
vips (PTS)	bullseye	8.10.5-2	vulnerable
	bullseye (security)	8.10.5-2+deb11u1	vulnerable
	bookworm, bookworm (security)	8.14.1-3+deb12u2	vulnerable
	trixie	8.16.1-1	vulnerable
	forky, sid	8.18.2-1	vulnerable

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

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

https://github.com/libvips/libvips/issues/4965
Not considered a security vulnerability by vips upstream