LOW3.3

PYSEC-2025-171

Details

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component 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.

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Affected packages

PyPI/pyassimp

Introduced in: 0

No fixed version published yet for pyassimp (pip). Pin to a known-safe version or switch to an alternative.

References

https://vuldb.com/?id.304590[ADVISORY]
https://vuldb.com/?submit.546414[ADVISORY]
https://github.com/assimp/assimp/issues/6070[REPORT]
https://vuldb.com/?ctiid.304590[REPORT]
https://github.com/user-attachments/files/19580481/Assimp_MD3Importer_ValidateSurfaceHeaderOffsets-hbo.zip[EVIDENCE]