{"cve":"CVE-2025-3159","nvd":{"published":"2025-04-03T14:15:46.983","modified":"2026-06-17T09:19:19.033","status":"Analyzed","description":"A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASE::Parser::ParseLV4MeshBonesVertices of the file code/AssetLib/ASE/ASEParser.cpp of the component ASE File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is e8a6286542924e628e02749c4f5ac4f91fdae71b. It is recommended to apply a patch to fix this issue.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","score":4.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-119","CWE-122"],"references":["https://github.com/assimp/assimp/issues/6024","https://github.com/assimp/assimp/issues/6024#issue-2877382033","https://github.com/assimp/assimp/pull/6051","https://github.com/tellypresence/assimp/commit/e8a6286542924e628e02749c4f5ac4f91fdae71b","https://vuldb.com/?ctiid.303105"],"products":["assimp:assimp"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-3159","score":0.00335,"percentile":0.26873,"date":"2026-10-31"},"kev":null,"osv":[{"id":"PYSEC-2025-263","url":"https://osv.dev/vulnerability/PYSEC-2025-263","summary":"","modified":"2026-07-13T07:15:41.077892520Z","packages":[{"ecosystem":"PyPI","name":"pyassimp","purl":"pkg:pypi/pyassimp","ranges":["<=5.4.3"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}