{"id":"CVE-2025-5202","summary":"Open Asset Import Library Assimp HL1MDLLoader.cpp validate_header out-of-bounds","details":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been declared as problematic. Affected by this vulnerability is the function HL1MDLLoader::validate_header of the file assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to out-of-bounds read. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.","modified":"2026-08-12T15:16:38.073072Z","published":"2025-05-26T19:31:06.228Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-119","CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5202.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5202.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5202"},{"type":"ADVISORY","url":"https://vuldb.com/?id.310291"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.578007"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6128"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6174"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.310291"},{"type":"EVIDENCE","url":"https://github.com/user-attachments/files/20209236/reproducer.zip"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/assimp/assimp","events":[{"introduced":"c35200e38ea8f058812b83de2ef32c6093b0ece2"},{"fixed":"c35200e38ea8f058812b83de2ef32c6093b0ece2"}],"database_specific":{"cpe":"cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.4.3"},{"last_affected":"5.4.3"},{"introduced":"0"},{"fixed":"5.4.3"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["5.4.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5202.json","vanir_signatures_modified":"2026-08-12T15:16:38Z","vanir_signatures":[{"digest":{"line_hashes":["14751536908339836394842576333578963310","250465586554798767444559000961914664081","237443928289347941562880826078082366790","259836610294362557380643058981394434250"],"threshold":0.9},"id":"CVE-2025-5202-20a4c35d","signature_type":"Line","signature_version":"v1","source":"https://github.com/assimp/assimp/commit/c35200e38ea8f058812b83de2ef32c6093b0ece2","target":{"file":"test/unit/utVersion.cpp"},"deprecated":false},{"digest":{"function_hash":"122993617034958603430649906656648264306","length":63},"id":"CVE-2025-5202-cea7f02c","signature_type":"Function","signature_version":"v1","source":"https://github.com/assimp/assimp/commit/c35200e38ea8f058812b83de2ef32c6093b0ece2","target":{"file":"test/unit/utVersion.cpp","function":"TEST_F"},"deprecated":false}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}