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Bug:SIB importer integer overflow in ReadFaces() leads to heap-buffer-overflow write

BugGlobal flag to mark a deviation from expected behaviourGlobal flag to mark a deviation from expected behaviour

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

SIBBugs related to SIB 3D model formatBugs related to SIB 3D model format

Status: Open.

#6712 In assimp/assimp;

· youngsmartuniverse opened on Jun 21, 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 behaviourGlobal flag to mark a deviation from expected behaviour

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

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

Status: Open.

#6711 In assimp/assimp;

· youngsmartuniverse opened on Jun 21, 2026

Bug:Assimp MD5 importer integer overflow causes ASan crash via crafted .md5mesh file

BugGlobal flag to mark a deviation from expected behaviourGlobal flag to mark a deviation from expected behaviour

MD5Bugs related to the MD5 formatBugs related to the MD5 format

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

Status: Open.

#6710 In assimp/assimp;

· youngsmartuniverse opened on Jun 21, 2026

ASSIMP rebuilds itself even after it's been built

BuildGlobal flag to mark build relates topicsGlobal flag to mark build relates topics

QuestionGlobal flag to mark questions from usersGlobal flag to mark questions from users

Status: Open.

#6708 In assimp/assimp;

· Platforming-Mayhem opened on Jun 20, 2026

Bug:Heap-buffer-overflow in IQM importer due to integer overflow in first_vertex * array->size

BugGlobal flag to mark a deviation from expected behaviourGlobal flag to mark a deviation from expected behaviour

IQMBugs related to the IQM format.Bugs related to the IQM format.

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

Status: Open.

#6707 In assimp/assimp;

· youngsmartuniverse opened on Jun 19, 2026

[Tools] : Create a MCP-Server for the Assimp Commandline tool

Feature-RequestGlobal flag to mark feature requestsGlobal flag to mark feature requests

Status: Open.

#6694 In assimp/assimp;

· kimkulling opened on Jun 12, 2026

_🛠️ Refactor suggestion_ | _🟠 Major_ | _⚡ Quick win_

Status: Open.

#6670 In assimp/assimp;

· kimkulling opened on May 26, 2026

Bug:[glTF] glTF2/GLB2 exporter emits invalid texture entries for KHR_texture_basisu

BugGlobal flag to mark a deviation from expected behaviourGlobal flag to mark a deviation from expected behaviour

ExtensionsBugs related to any kind of extensionsBugs related to any kind of extensions

glTF2.0Bugs related to the glTF2.0 formatBugs related to the glTF2.0 format

TexturesBugs/questions/requests related to texturesBugs/questions/requests related to textures

Status: Open.

Bug

#6663 In assimp/assimp;

· shannon-alliance opened on May 21, 2026

Bug:[glTF] glTF2/GLB2 exporter missing mimeType field for KHR_texture_basisu images

BugGlobal flag to mark a deviation from expected behaviourGlobal flag to mark a deviation from expected behaviour

ExtensionsBugs related to any kind of extensionsBugs related to any kind of extensions

glTF2.0Bugs related to the glTF2.0 formatBugs related to the glTF2.0 format

TexturesBugs/questions/requests related to texturesBugs/questions/requests related to textures

Status: Open.

Bug

#6662 In assimp/assimp;

· shannon-alliance opened on May 21, 2026

Bug: double precission is somehow lost but assimp is compiled with -DASSIMP_DOUBLE_PRECISION=ON

BugGlobal flag to mark a deviation from expected behaviourGlobal flag to mark a deviation from expected behaviour

PrecisionRelated to computational precisionRelated to computational precision

Status: Open.

#6659 In assimp/assimp;

· docentYT opened on May 18, 2026

_⚠️ Potential issue_ | _🟠 Major_ | _⚡ Quick win_

Status: Open.

#6658 In assimp/assimp;

· kimkulling opened on May 18, 2026

_⚠️ Potential issue_ | _🟠 Major_ | _⚡ Quick win_

Status: Open.

#6657 In assimp/assimp;

· kimkulling opened on May 18, 2026