OSV-2026-1041 Heap-buffer-overflow in Assimp::ObjExporter::indexMap<Assimp::ObjExporter::vertexData, Assimp::ObjExport

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=531365119 Crash type: Heap-buffer-overflow WRITE 12 Crash state: Assimp::ObjExporter::indexMapAssimp::ObjExporter::vertexData, Assimp::ObjExport Assimp::ObjExporter::WriteGeometryFile Assimp::ObjExporter::ObjExporter...

PT-2026-106837

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=531365119 Crash type: Heap-buffer-overflow WRITE 12 Crash state: Assimp::ObjExporter::indexMapAssimp::ObjExporter::vertexData, Assimp::ObjExport Assimp::ObjExporter::WriteGeometryFile Assimp::ObjExporter::ObjExporter...

assimp:assimp_roundtrip_fuzzer: Heap-buffer-overflow in Assimp::ObjExporter::indexMap<Assimp::ObjExporter::vertexData, Assimp::ObjExport

Detailed Report: https://oss-fuzz.com/testcase?key=5728125858938880 Project: assimp Fuzzing Engine: afl Fuzz Target: assimproundtripfuzzer Job Type: aflasanassimp Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 12 Crash Address: 0x7bc14dce6550 Crash State:...