CVE-2025-5165: Out-of-bounds Read

A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read...

CVE-2025-5204: Out-of-bounds Read

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...

CVE-2025-5201: Out-of-bounds Read

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function LWOImporter::CountVertsAndFacesLWO2 of the file assimp/code/AssetLib/LWO/LWOLoader.cpp. The manipulation leads to out-of-bounds read. The attack needs to be...

CVE-2025-5203: Out-of-bounds Read

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been rated as problematic. Affected by this issue is the function SkipSpaces in the library assimp/include/assimp/ParsingUtils.h. The manipulation leads to out-of-bounds read. Local access is required to approach this...

CVE-2025-5202: Out-of-bounds Read

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...

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 an out-of-bounds read due to a parameter out operation...

PT-2025-22933

Name of the Vulnerable Software and Affected Versions Open Asset Import Library Assimp version 5.4.3 Description A vulnerability was found in the Open Asset Import Library Assimp. It has been rated as problematic and affects the SkipSpaces function in the library...

CVE-2024-46632

Assimp v5.4.3 is vulnerable to Buffer Overflow via the MD5Importer::LoadMD5MeshFile function...

CVE-2024-45679

Heap-based buffer overflow vulnerability in Assimp versions prior to 5.4.3 allows a local attacker to execute arbitrary code by importing a specially crafted file into the product...

PT-2025-33353

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=417905428 Crash type: Heap-use-after-free READ 8 Crash state: aiMesh::aiMesh aiScene::aiScene Assimp::BaseProcess::ExecuteOnScene...

assimp:assimp_fuzzer: Heap-use-after-free in aiMesh::~aiMesh

Project: https://github.com/assimp/assimp.git Detailed Report: https://oss-fuzz.com/testcase?key=5639177226223616 Project: assimp Fuzzing Engine: honggfuzz Fuzz Target: assimpfuzzer Job Type: honggfuzzasanassimp Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address: 0x51a0000006...

Medium: qt5-qt3d

Issue Overview: An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the CallbackToLogRedirector function within the Assimp library. CVE-2024-48423 A heap-buffer-overflow vulnerability has been identified in the OpenDDLParser::parseStructure function within the Assimp...

Medium: qt5-qt3d

Issue Overview: An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the CallbackToLogRedirector function within the Assimp library. CVE-2024-48423 A heap-buffer-overflow vulnerability has been identified in the OpenDDLParser::parseStructure function within the Assimp...

Amazon Linux 2 : qt5-qt3d (ALAS-2025-2848)

The version of qt5-qt3d installed on the remote host is prior to 5.15.3-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2848 advisory. An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the CallbackToLogRedirector function...

SUSE CVE-2025-3548

A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp up to 5.4.3. This issue affects the function aiString::Set in the library include/assimp/types.h of the component File Handler. The manipulation leads to heap-based buffer overflow. It is possibl...

SUSE CVE-2025-3549

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer...

OSV-2025-280 Heap-buffer-overflow in Assimp::SceneCombiner::CopyScene

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=410393968 Crash type: Heap-buffer-overflow READ Crash state: Assimp::SceneCombiner::CopyScene Assimp::Exporter::Export Assimp::Exporter::ExportToBlob...

PT-2025-29582

Name of the Vulnerable Software and Affected Versions Assimp affected versions not specified Description The software is susceptible to a heap-buffer-overflow read issue. The crash occurs during the Assimp::SceneCombiner::CopyScene function, which is called within Assimp::Exporter::Export and...

assimp:assimp_fuzzer: Heap-buffer-overflow in Assimp::SceneCombiner::CopyScene

Project: https://github.com/assimp/assimp.git Detailed Report: https://oss-fuzz.com/testcase?key=4748722238193664 Project: assimp Fuzzing Engine: afl Fuzz Target: assimpfuzzer Job Type: aflasanassimp Platform Id: linux Crash Type: Heap-buffer-overflow READ Crash Address: 0x502000000111 Crash Stat...

PYSEC-2025-171

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer...