OSV-2026-229 Segv on unknown address in aiAnimation::~aiAnimation

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=483188619 Crash type: Segv on unknown address Crash state: aiAnimation::aiAnimation aiScene::aiScene Assimp::BaseImporter::ReadFile...

PT-2026-21776

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=483188619 Crash type: Segv on unknown address Crash state: aiAnimation::aiAnimation aiScene::aiScene Assimp::BaseImporter::ReadFile...

assimp:assimp_fuzzer: Segv on unknown address in aiMaterial::~aiMaterial

Project: https://github.com/assimp/assimp.git Detailed Report: https://oss-fuzz.com/testcase?key=5064930471772160 Project: assimp Fuzzing Engine: libFuzzer Fuzz Target: assimpfuzzer Job Type: libfuzzerasanassimp Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State:...

CVE-2025-2152

A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The...

CVE-2025-2152: Heap-based Buffer Overflow

A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The...

Assimp security vulnerabilities

Assimp is an Assimp open source library. It is used to import and export various 3D model formats. A security vulnerability exists in Assimp version 5.4.3, which stems from the Assimp::BaseImporter::ConvertToUTF8 function that may cause a heap buffer overflow...

OSV-2023-385 Bad-cast to Assimp::BaseImporter from invalid vptr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58724 Crash type: Bad-cast Crash state: Bad-cast to Assimp::BaseImporter from invalid vptr Assimp::Importer::ReadFile Assimp::BatchLoader::LoadAll...

assimp:assimp_fuzzer: Bad-cast to Assimp::BaseImporter from invalid vptr in Assimp::DeleteImporterInstanceList

Project: https://github.com/assimp/assimp.git Detailed Report: https://oss-fuzz.com/testcase?key=5060726323806208 Project: assimp Fuzzing Engine: libFuzzer Fuzz Target: assimpfuzzer Job Type: libfuzzerubsanassimp Platform Id: linux Crash Type: Bad-cast Crash Address: 0x000002a32f80 Crash State:...

assimp:assimp_fuzzer: Bad-cast to Assimp::BaseImporterAssimp::DeleteImporterInstanceList in Assimp::Importer::~Importer

Project: https://github.com/assimp/assimp.git Detailed Report: https://oss-fuzz.com/testcase?key=5505232137748480 Project: assimp Fuzzing Engine: libFuzzer Fuzz Target: assimpfuzzer Job Type: libfuzzerubsanassimp Platform Id: linux Crash Type: Bad-cast Crash Address: 0x00000354c020 Crash State:...

OSV-2021-1385 Heap-buffer-overflow in Assimp::BaseImporter::ConvertToUTF8

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39339 Crash type: Heap-buffer-overflow READ 1 Crash state: Assimp::BaseImporter::ConvertToUTF8 Assimp::BaseImporter::TextFileToBuffer Assimp::OpenGEX::OpenGEXImporter::InternReadFile...

WS-2021-0580

assimp from 5.1.0 before 5.1.5 has Heap-buffer-overflow in Assimp::BaseImporter::ConvertToUTF8...

PT-2021-27819

Name of the Vulnerable Software and Affected Versions Assimp affected versions not specified Description A heap buffer overflow issue has been identified. The crash occurs in the Assimp::BaseImporter::ConvertToUTF8 function, which is called by Assimp::BaseImporter::TextFileToBuffer and...

assimp:assimp_fuzzer: Heap-buffer-overflow in Assimp::BaseImporter::ConvertToUTF8

Project: https://github.com/assimp/assimp.git Detailed Report: https://oss-fuzz.com/testcase?key=4578425130582016 Project: assimp Fuzzing Engine: libFuzzer Fuzz Target: assimpfuzzer Job Type: libfuzzerasanassimp Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...