CVE-2017-8906

Name	CVE-2017-8906
Description	An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4, as used by the x265_encoder_encode dependency in libbpg and other products. A small picture can cause an integer underflow, which leads to a Denial of Service in the process of encoding.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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
x265 (PTS)	buster	2.9-4	fixed
	bullseye	3.4-2	fixed
	sid, trixie, bookworm	3.5-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
x265	source	(unstable)	(not affected)

- x265 <not-affected> (Affected code is not enabled)
https://bitbucket.org/multicoreware/x265/issues/345/integer-underflow-in-x265-source-common