CVE-2026-3282

Name	CVE-2026-3282
Description	A flaw has been found in libvips 8.19.0. This vulnerability affects the function vips_unpremultiply_build of the file libvips/conversion/unpremultiply.c. Executing a manipulation of the argument alpha_band can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been published and may be used. This patch is called 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91. A patch should be applied to remediate 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)

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	8.18.0-2	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)

Notes

https://github.com/libvips/libvips/issues/4881
https://github.com/libvips/libvips/pull/4886
Fixed by: https://github.com/libvips/libvips/commit/7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91