{"id":"CVE-2026-12932","title":"A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets","summary":"A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets","severity":"high","cvss":7.1,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-401"],"vendor":"OpenVPN","product":"OpenVPN","affected":["OpenVPN >= 2.5.0 <= 2.6.20","OpenVPN >= 2.7_alpha1 <= 2.7.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-30T18:05:26.729620Z"},"published":"2026-07-30","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:35:35.770Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-12932","references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-12932"},{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026"},{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026"}],"tags":["cve.org"],"epss":0.00417,"epssPercentile":0.35527,"ingestedAt":"2026-09-17T19:26:25.354Z","slug":"CVE-2026-12932","body":"## Overview\n\nA memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets\n\n## Affected\n\n- `OpenVPN >= 2.5.0 <= 2.6.20`\n- `OpenVPN >= 2.7_alpha1 <= 2.7.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}