CVE-2025-6120

NameCVE-2025-6120
DescriptionA vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function read_meshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1107936

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
assimp (PTS)bullseye5.0.1~ds0-2vulnerable
bookworm5.2.5~ds0-1vulnerable
sid, trixie5.4.3+ds-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
assimpsource(unstable)(unfixed)1107936

Notes

[trixie] - assimp <postponed> (Minor issue, revisit when/if fixed upstream)
[bookworm] - assimp <postponed> (Minor issue, revisit when/if fixed upstream)
https://github.com/assimp/assimp/issues/6220

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