{"id":"CVE-2026-84471","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-84471","generatedAt":"2026-10-27T23:58:23.784Z","title":"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.","description":"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 TLS session promotion or expiry.","published":"2026-10-14T15:17:26.000Z","lastModified":"2026-10-16T16:21:52.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@openvpn.net","cvss":{"version":"4.0","score":7.2,"severity":"HIGH","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-416"],"affected":[],"epss":{"score":0.00408,"percentile":0.34813,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00408,"percentile":0.33469}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T15:17:26.000Z","detail":{"score":"7.2","severity":"HIGH","publishedAt":"2026-10-14T15:17:26.077Z"},"summary":"New CVE, high severity (CVSS 7.2)."}],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-84471","source":"security@openvpn.net"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-84471","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."}