CVE-2026-19967 Open Asset Import Library Assimp File Compression.cpp decompressBlock heap-based overflow

A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be...

CVE-2026-19967

A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be...

PT-2026-73185

A weakness has been identified in Open Asset Import Library Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ReadFaces 3DGS MDL7 in the library code/AssetLib/LWO/LWOLoader.h of the component 3DGS MDL7 Model Parser. Executing a manipulation can lead to heap-based buffer...

PT-2026-73220

Name of the Vulnerable Software and Affected Versions Open Asset Import Library Assimp version 17c12da Description A buffer overflow can be triggered remotely via the manipulation of the transmatrix count/pcBoneTransforms argument within the Assimp::MDLImporter::ParseBoneTrafoKeys 3DGS MDL7...

CVE-2026-19999: Buffer Copy without Checking Size of Input

A security vulnerability has been detected in Open Asset Import Library Assimp Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ParseBoneTrafoKeys3DGSMDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Bone Transformation Key Parser. The manipulati...

PT-2026-73186

Name of the Vulnerable Software and Affected Versions Open Asset Import Library Assimp version 17c12da Description A buffer overflow occurs in the 3DGS MDL7 Model Output Mesh Generator component within the file code/AssetLib/MDL/MDLLoader.cpp. The issue resides in the...

PT-2026-73184

A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be...

CVE-2026-19967: Heap-based Buffer Overflow

A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be...

CVE-2026-19969: Buffer Copy without Checking Size of Input

A security vulnerability has been detected in Open Asset Import Library Assimp 17c12da. The impacted element is the function Assimp::MDLImporter::GenerateOutputMeshes3DGSMDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Model Output Mesh Generator. The manipulation leads...

CVE-2026-19968: Heap-based Buffer Overflow

A weakness has been identified in Open Asset Import Library Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ReadFaces3DGSMDL7 in the library code/AssetLib/LWO/LWOLoader.h of the component 3DGS MDL7 Model Parser. Executing a manipulation can lead to heap-based buffer...

Linux Distros Unpatched Vulnerability : CVE-2026-19969

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A security vulnerability has been detected in Open Asset Import Library Assimp 17c12da. The impacted element is the function...

Linux Distros Unpatched Vulnerability : CVE-2026-19970

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was detected in Open Asset Import Library Assimp 17c12da. This affects the function Assimp::MDLImporter::AddBonesToNodeGraph3DGSMDL7 of the file...

Linux Distros Unpatched Vulnerability : CVE-2026-19968

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A weakness has been identified in Open Asset Import Library Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ReadFaces3DGSMDL7 in the...

Linux Distros Unpatched Vulnerability : CVE-2026-19967

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file...

PT-2026-73187

A vulnerability was detected in Open Asset Import Library Assimp 17c12da. This affects the function Assimp::MDLImporter::AddBonesToNodeGraph 3DGS MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component Node Parser. The manipulation of the argument bones num results in heap-based buffer...

CVE-2026-19970: Heap-based Buffer Overflow

A vulnerability was detected in Open Asset Import Library Assimp 17c12da. This affects the function Assimp::MDLImporter::AddBonesToNodeGraph3DGSMDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component Node Parser. The manipulation of the argument bonesnum results in heap-based buffer...

OESA-2026-3105 assimp security update

Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose. Security Fixes: Buffer Overflow vulnerability exists...

assimp:assimp_roundtrip_fuzzer: Heap-buffer-overflow in std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch

Detailed Report: https://oss-fuzz.com/testcase?key=5451211827118080 Project: assimp Fuzzing Engine: afl Fuzz Target: assimproundtripfuzzer Job Type: aflasanassimp Platform Id: linux Crash Type: Heap-buffer-overflow READ Crash Address: 0x7bbbad70bf1e Crash State: std::1::basicstring,...

OSV-2026-1049 Heap-buffer-overflow in Assimp::X3DExporter::CheckAndExport_Light

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=532625491 Crash type: Heap-buffer-overflow READ 8 Crash state: Assimp::X3DExporter::CheckAndExportLight Assimp::X3DExporter::ExportNode Assimp::X3DExporter::X3DExporter...

PT-2026-99054

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=532625491 Crash type: Heap-buffer-overflow READ 8 Crash state: Assimp::X3DExporter::CheckAndExport Light Assimp::X3DExporter::Export Node Assimp::X3DExporter::X3DExporter...