{"cve":"CVE-2025-5166","nvd":{"published":"2025-05-26T04:15:28.370","modified":"2026-06-17T09:47:22.197","status":"Analyzed","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function MDCImporter::InternReadFile of the file assimp/code/AssetLib/MDC/MDCLoader.cpp of the component MDC File Parser. The manipulation of the argument pcVerts leads to out-of-bounds read. It is possible to launch the attack on the local host. 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.","cvss_v4":{"vector":"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","score":4.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-125","CWE-119"],"references":["https://github.com/assimp/assimp/issues/6128","https://github.com/assimp/assimp/issues/6168","https://github.com/user-attachments/files/20208318/reproducer.zip","https://vuldb.com/?ctiid.310254","https://vuldb.com/?id.310254"],"products":["assimp:assimp"],"source":"nvd","synced_at":"2026-10-19T22:01:57.636215869+00:00"},"epss":{"cve":"CVE-2025-5166","score":0.00264,"percentile":0.18404,"date":"2026-10-31"},"kev":null,"osv":[{"id":"PYSEC-2025-173","url":"https://osv.dev/vulnerability/PYSEC-2025-173","summary":"","modified":"2026-05-21T15:00:26.730317509Z","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."]}