CVE-2025-5167

NameCVE-2025-5167
DescriptionA vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been declared as problematic. Affected by this vulnerability is the function LWOImporter::GetS0 in the library assimp/code/AssetLib/LWO/LWOLoader.h. The manipulation of the argument out leads to out-of-bounds read. The attack needs to be approached locally. 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 Bugs1106593

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)1106593

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/6169
https://github.com/assimp/assimp/issues/6128

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