MEDIUM5.5

PYSEC-2025-174

Details

A 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.

Are you affected?

Enter the version of the package you're using.

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.310255[ADVISORY]
https://vuldb.com/?submit.578002[ADVISORY]
https://github.com/assimp/assimp/issues/6128[REPORT]
https://vuldb.com/?ctiid.310255[REPORT]
https://github.com/assimp/assimp/issues/6169[EVIDENCE]
https://github.com/user-attachments/files/20208666/reproducer.zip[EVIDENCE]