{"id":"CVE-2025-50054","details":"Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash","modified":"2026-08-12T03:51:17.140703184Z","published":"2025-06-20T06:29:01.936Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50054.json","cna_assigner":"OpenVPN","cwe_ids":["CWE-122","CWE-787"]},"references":[{"type":"WEB","url":"https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025"},{"type":"WEB","url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-50054"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50054.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-50054"},{"type":"PACKAGE","url":"https://github.com/OpenVPN/ovpn-dco-win"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvpn/ovpn-dco-win","events":[{"introduced":"0"},{"fixed":"4417b09982ba45faacebf7f45845f5365246b6a1"},{"fixed":"1c0bef7828a1de3c537e2cc3bc3a4f377fdb411d"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.3.1"},{"fixed":"2.5.9"}],"source":"AFFECTED_FIELD"}}],"versions":["2.5.6","2.5.5","2.5.4","2.5.3","2.5.2","2.5.1","2.5.0","1.2.1","1.1.1","1.0.1","1.0.0","0.9.4","0.9.3","0.9.2","0.9.1","0.9.0","0.8.3","0.8.2","0.8.1","0.8.0","0.7.6","0.7.4","0.7.1","0.6.8","0.6.7","0.6.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-50054.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}