{"id":"CVE-2025-50054","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-50054","generatedAt":"2026-10-28T09:27:38.151Z","title":"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","description":"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","published":"2025-06-20T07:15:26.000Z","lastModified":"2026-06-17T09:34:33.000Z","status":"Analyzed","sourceIdentifier":"security@openvpn.net","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-122","CWE-787"],"affected":["openvpn/ovpn-dco-win"],"epss":{"score":0.00246,"percentile":0.15739,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025","tags":["Release Notes"],"source":"security@openvpn.net"},{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-50054","tags":["Vendor Advisory"],"source":"security@openvpn.net"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-50054","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}