{"id":"PYSEC-2025-167","details":"A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.","aliases":["CVE-2025-2756"],"modified":"2026-05-21T15:00:22.179566254Z","published":"2025-03-25T10:15:16.627Z","references":[{"type":"ADVISORY","url":"https://vuldb.com/?id.300861"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.517790"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6018"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6018#issue-2877375815"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.300861"}],"affected":[{"package":{"name":"pyassimp","ecosystem":"PyPI","purl":"pkg:pypi/pyassimp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.4.3"}]}],"versions":["0.1","3.3","4.1.1","4.1.2","4.1.3","4.1.4","5.2.5"],"ecosystem_specific":{},"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-167.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}