CVE-2025-6120

CVE-2025-6120

A vulnerability has been discovered in the Open Asset Import Library (Assimp), specifically within the read_meshes functionality of the assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp file (related to Half-Life 1 MDL file loading). This flaw can lead to a heap-based buffer overflow. Under specific conditions, exploitation of this buffer overflow could result in unpredictable program behavior, memory corruption, or arbitrary code execution.

CVE-2025-6120

A vulnerability classified as critical was found in Open Asset Import ...

GHSA-wg5q-7rhh-29w7

A vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function read_meshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. 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.