{"id":"CVE-2026-84471","title":"The fix for CVE-2026-12996 was incomplete","summary":"The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during…","severity":"high","cvss":7.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-416"],"vendor":"OpenVPN","product":"OpenVPN","affected":["OpenVPN >= 2.6.0 <= 2.6.22","OpenVPN >= 2.7_alpha1 <= 2.7.7"],"published":"2026-10-14","updated":"2026-10-16","sourceUpdated":"2026-10-16T16:21:51.633","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84471","references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-84471","label":"security@openvpn.net"}],"tags":["nvd","cve.org"],"epss":0.00408,"epssPercentile":0.34884,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T15:17:47.022957Z"},"cvssSource":"cna","ingestedAt":"2026-10-14T15:36:14.032Z","slug":"CVE-2026-84471","body":"## Overview\n\nThe fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":221300,"id":"CVE-2026-84471","ts":1792031062370,"field":"cvss","old":null,"new":"7.2"},{"seq":221299,"id":"CVE-2026-84471","ts":1792031062370,"field":"severity","old":"none","new":"high"}]}