{"id":"CVE-2025-50054","aliases":["EUVD-2025-18726","GHSA-c5v3-f4mm-7xmw"],"status":"published","title":"Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier...","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","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00246,"percentile":0.15959,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2025-06-20T06:29:01Z","modified":"2026-10-28T02:30:45Z","products":[{"vendor":"openvpn","product":"ovpn-dco-win"}],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-50054","tags":["Vendor Advisory","web"]},{"url":"https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025","tags":["Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-50054","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c5v3-f4mm-7xmw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50054.json","tags":["advisory"]},{"url":"https://github.com/OpenVPN/ovpn-dco-win","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-50054","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","status":"published","published":"2025-06-20T06:29:01.936Z","modified":"2025-06-23T15:48:43.804Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:32:52.526476Z"}],"euvd":[{"id":"EUVD-2025-18726","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","status":"published","published":"2025-06-20T06:29:01Z","modified":"2025-06-23T15:48:43Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:32:17.832534Z"}],"ghsa":[{"id":"GHSA-c5v3-f4mm-7xmw","title":"Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier...","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","status":"published","published":"2025-06-20T09:30:30Z","modified":"2025-06-23T18:31:23Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:02:48.223406Z"}],"nvd":[{"id":"CVE-2025-50054","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","status":"published","published":"2025-06-20T07:15:26.367Z","modified":"2026-06-17T09:34:33.487Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:11:14.091082Z"}],"osv":[{"id":"CVE-2025-50054","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","status":"published","published":"2025-06-20T06:29:01.936Z","modified":"2026-10-28T02:30:45.710598664Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:44:50.037003Z"}]}}