{"schema_version":"1.9.0","id":"OSV-2026-521","published":"2026-04-04T00:05:03.478370Z","modified":"2026-09-24T14:26:49.152492Z","summary":"UNKNOWN READ in unsigned long Assimp::StreamReader<true, true>::Get<unsigned long>","details":"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<true, true>::Get<unsigned long>\nbool Assimp::Blender::Structure::ResolvePointer<std::__1::shared_ptr, Assimp::Bl\nbool Assimp::Blender::Structure::ReadFieldPtr<2, Assimp::Blender::vector, std::_\n```\n","affected":[{"package":{"name":"assimp","ecosystem":"OSS-Fuzz","purl":"pkg:generic/assimp"},"ranges":[{"type":"GIT","repo":"https://github.com/assimp/assimp.git","events":[{"introduced":"72b9939b9f5a34d155b5b11b61f4474f1176d51a"},{"introduced":"fee5c267e764abaacbf8de6a764da6ca7a0292bd"},{"fixed":"3fddcfcc05ee6073853a01d6f133e01f3d9743c7"}]}],"versions":["master","v6.0.3","v6.0.4","v6.0.5"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"fixed_range":"a4eff9f89585c590d7b43daf5065f7bdf398bbc6:3fddcfcc05ee6073853a01d6f133e01f3d9743c7","introduced_range":"4c8a3bd39c449eba1b07f81fd4177ad938a7fd93:69f8eb21fd1da5688523986cc911346c333806c2","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/assimp/OSV-2026-521.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499121788"}]}