CVE-2025-5204

NameCVE-2025-5204
DescriptionA vulnerability classified as problematic has been found in Open Asset Import Library Assimp 5.4.3. This affects the function MDLImporter::ParseSkinLump_3DGS_MDL7 of the file assimp/code/AssetLib/MDL/MDLMaterialLoader.cpp. The manipulation leads to out-of-bounds read. Attacking locally is a requirement. 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 Bugs1106685

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
trixie, sid5.4.3+ds-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
assimpsource(unstable)(unfixed)1106685

Notes

[trixie] - assimp <postponed> (Minor issue, revisit when/if fixed upstream)
[bookworm] - assimp <postponed> (Minor issue, revisit when/if fixed upstream)
[bullseye] - assimp <postponed> (Minor issue, revisit when/if fixed upstream)
https://github.com/assimp/assimp/issues/6176
https://github.com/assimp/assimp/issues/6128

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