CVE-2026-10231 Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow

A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extractanimvalue of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be...

PT-2026-45893

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=515663946 Crash type: Container-overflow READ 1 Crash state: OpenBabel::MDLFormat::ReadV3000Block OpenBabel::MDLFormat::ReadMolecule OpenBabel::OBConversion::Read...

JLSEC-2026-195

A vulnerability classified as problematic has been found in Open Asset Import Library Assimp 5.4.3. This affects the function MDLImporter::ParseSkinLump3DGSMDL7 of the file assimp/code/AssetLib/MDL/MDLMaterialLoader.cpp. The manipulation leads to out-of-bounds read. Attacking locally is a...