{"schemaVersion":3,"id":"USN-8286-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"openvpn vulnerabilities\n\nGuannan Wang, Zhanpeng Liu, Guancheng Li, and Emma Reuter\ndiscovered that OpenVPN incorrectly handled suitably malformed\npackets with valid tls-crypt-v2 keys. An attacker could possibly use\nthis issue to cause OpenVPN to crash, resulting in a denial of\nservice. (CVE-2026-35058)\n\nGuannan Wang, Zhanpeng Liu, and Guancheng Li discovered that\nOpenVPN had a race condition in the TLS handshake process that could\nleak packet data from a previous handshake under certain\ncircumstances. An attacker could possibly use this issue to obtain\nsensitive information. (CVE-2026-40215)","dates":{"published":"2026-05-20T13:16:24.000Z","modified":"2026-08-12T19:45:21.645Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"openvpn","name":"openvpn","label":"openvpn","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/openvpn","purlType":"deb","versions":[{"text":"< 2.5.11-0ubuntu0.22.04.3","noFixRecorded":false,"fixedIn":null},{"text":"< 2.6.19-0ubuntu0.24.04.2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.6.19-0ubuntu0.25.10.2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.7.0-1ubuntu1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.5.11-0ubuntu0.22.04.3 | < 2.6.19-0ubuntu0.24.04.2 | < 2.6.19-0ubuntu0.25.10.2 | < 2.7.0-1ubuntu1.1","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"openvpn","label":"OpenVPN","category":"app"}},"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8286-1","label":"ubuntu.com/security/notices/USN-8286-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-35058","label":"ubuntu.com/security/CVE-2026-35058","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-40215","label":"ubuntu.com/security/CVE-2026-40215","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-35058","CVE-2026-40215"]},"timeline":[{"kind":"published","date":"2026-05-20T13:16:24.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-12T19:45:21.645Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T11:32:49.230Z","stale":false,"partial":false}}