{"id":"CVE-2023-46850","state":"PUBLISHED","title":"Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.","description":"Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.","publishedAt":"2023-11-11T00:15:07.076Z","updatedAt":"2026-06-23T21:24:00.414Z","severity":null,"assigner":"OpenVPN","products":["OpenVPN OpenVPN 2 (Community)","OpenVPN Access Server"],"affected":[{"vendor":"OpenVPN","product":"OpenVPN 2 (Community)","defaultStatus":"unaffected","versions":[{"version":"2.6.0","status":"affected","lessThanOrEqual":"2.6.6","versionType":"minor release"}]},{"vendor":"OpenVPN","product":"Access Server","defaultStatus":"unaffected","versions":[{"version":"2.11.0","status":"affected","lessThanOrEqual":"2.11.3","versionType":"patch release"},{"version":"2.12.0","status":"affected","lessThanOrEqual":"2.12.2","versionType":"patch release"}],"platforms":["Linux"]}],"references":["https://community.openvpn.net/openvpn/wiki/CVE-2023-46850","https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/","https://www.debian.org/security/2023/dsa-5555","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/46xxx/CVE-2023-46850.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-46850","state":"PUBLISHED","datePublished":"2023-11-11T00:15:07.076Z","dateUpdated":"2026-06-23T21:24:00.414Z","assignerShortName":"OpenVPN","assignerOrgId":"36a55730-e66d-4d39-8ca6-3c3b3017965e","dateReserved":"2023-10-27T13:38:49.496Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer."}],"affected":[{"vendor":"OpenVPN","product":"OpenVPN 2 (Community)","defaultStatus":"unaffected","versions":[{"version":"2.6.0","status":"affected","lessThanOrEqual":"2.6.6","versionType":"minor release"}]},{"vendor":"OpenVPN","product":"Access Server","defaultStatus":"unaffected","versions":[{"version":"2.11.0","status":"affected","lessThanOrEqual":"2.11.3","versionType":"patch release"},{"version":"2.12.0","status":"affected","lessThanOrEqual":"2.12.2","versionType":"patch release"}],"platforms":["Linux"]}],"references":[{"url":"https://community.openvpn.net/openvpn/wiki/CVE-2023-46850"},{"url":"https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416 Use After Free","type":"CWE"}]}],"providerMetadata":{"shortName":"OpenVPN","orgId":"36a55730-e66d-4d39-8ca6-3c3b3017965e","dateUpdated":"2026-06-23T21:24:00.414Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://community.openvpn.net/openvpn/wiki/CVE-2023-46850","tags":["x_transferred"]},{"url":"https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5555","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T20:53:21.910Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-46850","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-08-15T14:59:47.646924Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-16T18:23:24.266Z"}}]}}}