{"id":"CVE-2026-35058","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-35058","generatedAt":"2026-10-28T05:59:58.425Z","title":"Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.","description":"Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.","published":"2026-06-08T20:17:00.000Z","lastModified":"2026-08-11T13:11:16.000Z","status":"Analyzed","sourceIdentifier":"security@openvpn.net","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-617"],"affected":["openvpn/openvpn"],"epss":{"score":0.00541,"percentile":0.45268,"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 (0.54%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026","tags":["Release Notes"],"source":"security@openvpn.net"},{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026","tags":["Release Notes"],"source":"security@openvpn.net"},{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-35058","tags":["Vendor Advisory"],"source":"security@openvpn.net"},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381","tags":["Exploit","Mitigation","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-35058","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."}