{"id":"CVE-2025-5165","summary":"Open Asset Import Library Assimp MDCLoader.cpp ValidateSurfaceHeader out-of-bounds","details":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read. Attacking locally is a requirement. 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.","aliases":["PYSEC-2025-172"],"modified":"2026-08-12T03:51:24.837350234Z","published":"2025-05-26T02:31:05.900Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5165.json","cna_assigner":"VulDB","cwe_ids":["CWE-119","CWE-125"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5165.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5165"},{"type":"ADVISORY","url":"https://vuldb.com/?id.310253"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.578000"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6128"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6167"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.310253"},{"type":"EVIDENCE","url":"https://github.com/user-attachments/files/20204942/reproducer.zip"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/assimp/assimp","events":[{"introduced":"c35200e38ea8f058812b83de2ef32c6093b0ece2"},{"last_affected":"c35200e38ea8f058812b83de2ef32c6093b0ece2"}],"database_specific":{"extracted_events":[{"introduced":"5.4.3"},{"last_affected":"5.4.3"}],"source":["AFFECTED_FIELD","CPE_STRING"],"cpe":"cpe:2.3:a:assimp:assimp:5.4.3:*:*:*:*:*:*:*"}}],"versions":["5.4.3","v5.4.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5165.json"}}],"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"}]}