MEDIUM5.5

PYSEC-2025-172

Details

A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 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.

Are you affected?

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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.310253[ADVISORY]
https://vuldb.com/?submit.578000[ADVISORY]
https://github.com/assimp/assimp/issues/6128[REPORT]
https://github.com/assimp/assimp/issues/6167[REPORT]
https://vuldb.com/?ctiid.310253[REPORT]
https://github.com/user-attachments/files/20204942/reproducer.zip[EVIDENCE]