CVE-2025-5167: Assimp

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Assimp Assimp: version 5.4.3 only

Published 2025-05-26. Last modified 2026-06-17.