{"id":"CVE-2025-50054","state":"PUBLISHED","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","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","publishedAt":"2025-06-20T06:29:01.936Z","updatedAt":"2025-06-23T15:48:43.804Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"OpenVPN","products":["OpenVPN ovpn-dco-win"],"affected":[{"vendor":"OpenVPN","product":"ovpn-dco-win","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.1","versionType":"semver"},{"version":"0","status":"affected","lessThan":"2.5.9","versionType":"semver"}],"platforms":["Windows"],"repo":"https://github.com/OpenVPN/ovpn-dco-win"}],"references":["https://community.openvpn.net/Security%20Announcements/CVE-2025-50054","https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025"],"weaknesses":["CWE-122","CWE-787"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/50xxx/CVE-2025-50054.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-50054","state":"PUBLISHED","datePublished":"2025-06-20T06:29:01.936Z","dateUpdated":"2025-06-23T15:48:43.804Z","assignerShortName":"OpenVPN","assignerOrgId":"36a55730-e66d-4d39-8ca6-3c3b3017965e","dateReserved":"2025-06-11T17:29:58.718Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"OpenVPN","product":"ovpn-dco-win","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.1","versionType":"semver"},{"version":"0","status":"affected","lessThan":"2.5.9","versionType":"semver"}],"platforms":["Windows"],"repo":"https://github.com/OpenVPN/ovpn-dco-win"}],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-50054"},{"url":"https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"},{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"OpenVPN","orgId":"36a55730-e66d-4d39-8ca6-3c3b3017965e","dateUpdated":"2025-06-20T06:41:36.560Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-06-23T15:48:35.752930Z","id":"CVE-2025-50054","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-23T15:48:43.804Z"}}]}}}