Assimp · Assimp · CVE-2025-5165
**Name of the Vulnerable Software and Affected Versions**
Open Asset Import Library Assimp version 5.4.3
**Description**
A vulnerability was found in the Open Asset Import Library Assimp, affecting the function `MDCImporter::ValidateSurfaceHeader` of the file `assimp/code/AssetLib/MDC/MDCLoader.cpp`. The manipulation of the argument `pcSurface2` leads to an out-of-bounds read. This issue requires a local attack to be exploited. The exploit has been disclosed to the public and may be used.
**Recommendations**
For Open Asset Import Library Assimp version 5.4.3, as a temporary workaround, consider restricting access to the `MDCImporter::ValidateSurfaceHeader` function until a patch is available. Avoid manipulating the `pcSurface2` argument in the affected function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.