CVE-2026-117608

Name	CVE-2026-117608
Description	Assimp through 6.0.5 contains an integer overflow vulnerability in MD2Importer::ValidateHeader() that allows attackers to bypass frame table bounds checks using crafted header fields. Attackers can supply a malicious .md2 file whose numFrames and numVertices values wrap the 32-bit size check, causing heap out-of-bounds reads that crash applications or expose adjacent heap memory.
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
assimp (PTS)	bookworm	5.2.5~ds0-1	vulnerable
	trixie	5.4.3+ds-2	vulnerable
	forky, sid	6.0.5+ds-1	vulnerable

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

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

Notes

https://github.com/assimp/assimp/issues/6929
https://github.com/assimp/assimp/pull/6963
Fixed by: https://github.com/assimp/assimp/commit/7dbc85d9218fae017d4fad70269e7569f7b0c870