{"id":"OSV-2026-521","aliases":[],"status":"published","title":"UNKNOWN READ in unsigned long Assimp::StreamReader\u003ctrue, true\u003e::Get\u003cunsigned long\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499121788\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nunsigned long Assimp::StreamReader\u003ctrue, true\u003e::Get\u003cunsigned long\u003e\nbool Assimp::Blender::Structure::ResolvePointer\u003cstd::__1::shared_ptr, Assimp::Bl\nbool Assimp::Blender::Structure::ReadFieldPtr\u003c2, Assimp::Blender::vector, std::_\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-04-04T00:05:03.47837Z","modified":"2026-09-24T14:26:49Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"assimp","ranges":[{"type":"GIT","events":[{"introduced":"72b9939b9f5a34d155b5b11b61f4474f1176d51a"},{"introduced":"fee5c267e764abaacbf8de6a764da6ca7a0292bd"},{"fixed":"3fddcfcc05ee6073853a01d6f133e01f3d9743c7"}]}],"versions":["master","v6.0.3","v6.0.4","v6.0.5"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499121788","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-521","title":"UNKNOWN READ in unsigned long Assimp::StreamReader\u003ctrue, true\u003e::Get\u003cunsigned long\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499121788\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nunsigned long Assimp::StreamReader\u003ctrue, true\u003e::Get\u003cunsigned long\u003e\nbool Assimp::Blender::Structure::ResolvePointer\u003cstd::__1::shared_ptr, Assimp::Bl\nbool Assimp::Blender::Structure::ReadFieldPtr\u003c2, Assimp::Blender::vector, std::_\n```\n","status":"published","published":"2026-04-04T00:05:03.47837Z","modified":"2026-09-24T14:26:49.152492Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}