CVE-2026-10229

A flaw was found in Assimp, a library used for importing and exporting various 3D model formats. This vulnerability, a heap-based buffer overflow, exists within the HL1MDLLoader::readmeshes function of the Half-Life 1 MDL Loader component. A local attacker could exploit this by providing speciall...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the extractanimvalue function of the Half-Life 1 MDL Loader component when processing the num.total argument. An attacker can achieve arbitrary code execution or cause application crashes by supplying...

DEBIAN-CVE-2026-10231

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...

UBUNTU-CVE-2026-10233

A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::readsequenceinfos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to...

CVE-2026-10230

A vulnerability was identified in Assimp up to 6.0.4. This impacts the function Assimp::MDL::HalfLife::HL1MDLLoader::readanimations of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally...

PT-2026-45277

A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read sequence infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs ...

JLSEC-2026-197

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 readmeshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. It is possible to...

DEBIAN-CVE-2025-5202

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 HL1MDLLoader::validateheader of the file assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to out-of-bounds read. An...