CVE-2025-3159

Name	CVE-2025-3159
Description	A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASE::Parser::ParseLV4MeshBonesVertices of the file code/AssetLib/ASE/ASEParser.cpp of the component ASE File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is e8a6286542924e628e02749c4f5ac4f91fdae71b. It is recommended to apply a patch to fix this issue.
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
assimp (PTS)	bullseye	5.0.1~ds0-2	vulnerable
	bookworm	5.2.5~ds0-1	vulnerable
	sid, trixie	5.4.3+ds-2	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/6024
https://github.com/assimp/assimp/pull/6051
Fixed by: https://github.com/assimp/assimp/commit/e8a6286542924e628e02749c4f5ac4f91fdae71b