{"id":"CVE-2026-35058","details":"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.","modified":"2026-08-13T09:42:06.949530945Z","published":"2026-06-08T19:29:56.309Z","related":["SUSE-SU-2026:3596-1"],"database_specific":{"cwe_ids":["CWE-617"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35058.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.6.0"},{"last_affected":"2.6.19"},{"introduced":"2.7_alpha1"},{"last_affected":"2.7.1"}],"source":"AFFECTED_FIELD"},{"source":"DESCRIPTION","extracted_events":[{"introduced":"2.6.0"},{"fixed":"2.6.19"},{"introduced":"2.7_alpha1"},{"fixed":"2.7.1"}]}],"cna_assigner":"OpenVPN"},"references":[{"type":"WEB","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381"},{"type":"ADVISORY","url":"https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026"},{"type":"ADVISORY","url":"https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026"},{"type":"ADVISORY","url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-35058"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35058.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35058"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvpn/openvpn","events":[{"introduced":"b999466418dddb89721be5455f03bacd9b221b1d"},{"fixed":"8e87f2c34a0fbd64e282711582b106f84660e916"},{"introduced":"ee1577744fb09af760dc319d57746e6abc55db85"},{"fixed":"59748789497afcad90601d120fecd58cbc1423c4"}],"database_specific":{"cpe":"cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.6.0"},{"fixed":"2.6.20"},{"introduced":"2.7"},{"fixed":"2.7.2"}],"source":"CPE_RANGE"}}],"versions":["v2.7.1","v2.6.19","v2.7.0","v2.6.18","v2.6.17","v2.6.16","v2.6.15","v2.6.14","v2.6.13","v2.6.12","v2.6.11","v2.6.10","v2.6.9","v2.6.8","v2.6.7","v2.6.6","v2.6.5","v2.6.4","v2.6.3","v2.6.2","v2.6.1","v2.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35058.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}