{"id":"PYSEC-2025-169","details":"A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. Affected by this issue is the function Assimp::LWO::AnimResolver::UpdateAnimRangeSetup of the file code/AssetLib/LWO/LWOAnimation.cpp of the component LWO File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.","aliases":["CVE-2025-3158"],"modified":"2026-05-21T15:00:17.622440796Z","published":"2025-04-03T14:15:46.783Z","references":[{"type":"ADVISORY","url":"https://vuldb.com/?id.303104"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.542246"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6023"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6023#issue-2877381000"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.303104"}],"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-2025-169.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}