CVE-2026-10233

NameCVE-2026-10233
DescriptionA security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1139916

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
trixie5.4.3+ds-2vulnerable
forky, sid6.0.5+ds-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
assimpsource(unstable)(unfixed)1139916

Notes

[trixie] - assimp <postponed> (Minor issue, revisit when fixed upstream)
[bookworm] - assimp <postponed> (Minor issue, revisit when fixed upstream)
[bullseye] - assimp <postponed> (Minor issue, revisit when fixed upstream)
https://github.com/assimp/assimp/issues/6619

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