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Bug: Issue 544964149: assimp:assimp_fuzzer: Crash in Assimp::LWO::AnimResolver::UpdateAnimRangeSetup

BugGlobal flag to mark a deviation from expected behaviour

LWOBugs related to the LWO format

Status: Open.

#6774 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: assimp:assimp_fuzzer_ifc: Null-dereference READ in __dynamic_cast

BugGlobal flag to mark a deviation from expected behaviour

IFCBugs related to the IFC format

Status: Open.

#6773 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: [Vulnerability Report] Heap Buffer Overflow in Assimp FBX Importer

BugGlobal flag to mark a deviation from expected behaviour

Status: Open.

#6772 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: MD2 importer heap-buffer-overflow

BugGlobal flag to mark a deviation from expected behaviour

MD2Bugs/questions related to MD2 3D format

Status: Open.

#6771 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: assimp:assimp_fuzzer: Invalid-enum-value in Assimp::LWO::AnimResolver::DoInterpolation

BugGlobal flag to mark a deviation from expected behaviour

FuzzerBugs found by a fuzzer

LWOBugs related to the LWO format

Status: Open.

#6770 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: Issue 42530724: assimp:assimp_fuzzer: Direct-leak in std::__1::__tree_iterator<std::__1::__value_type<std::__1::basic_string<char, st

BugGlobal flag to mark a deviation from expected behaviour

FBXBugs related to the FBX format

FuzzerBugs found by a fuzzer

Status: Open.

#6769 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: assimp:assimp_fuzzer: Direct-leak in Assimp::IRRImporter::InternReadFile

BugGlobal flag to mark a deviation from expected behaviour

FuzzerBugs found by a fuzzer

IRRBugs related to the IRR format.

Status: Open.

#6768 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: ssimp:assimp_fuzzer: Abrt in Assimp::defaultAiAssertHandler

BugGlobal flag to mark a deviation from expected behaviour

FuzzerBugs found by a fuzzer

SanitizerBug/build issue discovered using sanitizer e.g. ASAN

Status: Open.

#6767 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug: Issue 42535887: assimp:assimp_fuzzer: Stack-overflow in void rapidjson::GenericReader<rapidjson::UTF8<char>, rapidjson::UTF8<char>, rapi

BugGlobal flag to mark a deviation from expected behaviour

Status: Open.

#6766 In assimp/assimp;

· kimkulling opened

on Aug 12, 2026

Bug:Blender importer computes file offset from attacker-controlled pointer values → StreamReader::SetCurrentPos pointer arithmetic overflow / UBSan SIGILL (CWE-682)

BlenderBlender support issues

BugGlobal flag to mark a deviation from expected behaviour

Status: Open.

#6761 In assimp/assimp;

· 1820893135-pixel opened

on Aug 6, 2026

Bug:Blender importer switches on unvalidated, file-controlled enum fields → UBSan invalid enum load / SIGILL (CWE-704)

BlenderBlender support issues

BugGlobal flag to mark a deviation from expected behaviour

Status: Open.

#6760 In assimp/assimp;

· 1820893135-pixel opened

on Aug 6, 2026

Bug:Q3BSP importer heap-buffer-overflow when kMeshVerts lump size is not aligned to sizeof(int)

BugGlobal flag to mark a deviation from expected behaviour

Q3BSP (Quake III)Problems/questions regarding Quake III BSP 3D model format

SanitizerBug/build issue discovered using sanitizer e.g. ASAN

Status: Open.

#6711 In assimp/assimp;

· youngsmartuniverse opened

on Jun 21, 2026