{"id":"DEBIAN-CVE-2026-40215","details":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","modified":"2026-09-01T16:06:41.779413530Z","published":"2026-06-08T21:16:45.453Z","upstream":["CVE-2026-40215"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-40215"}],"affected":[{"package":{"name":"openvpn","ecosystem":"Debian:12","purl":"pkg:deb/debian/openvpn?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.14-0+deb12u1"}]}],"versions":["2.6.11-1","2.6.12-1","2.6.13-1","2.6.3-1","2.6.3-1+deb12u1","2.6.3-1+deb12u1~bpo11+1","2.6.3-1+deb12u2","2.6.3-1+deb12u2~bpo11+1","2.6.3-1+deb12u3","2.6.3-1+deb12u4","2.6.3-2","2.6.3-2.1","2.6.7-1","2.6.9-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.json"}},{"package":{"name":"openvpn","ecosystem":"Debian:13","purl":"pkg:deb/debian/openvpn?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.14-1+deb13u2"}]}],"versions":["2.6.14-1","2.6.14-1+deb13u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.json"}},{"package":{"name":"openvpn","ecosystem":"Debian:14","purl":"pkg:deb/debian/openvpn?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.2-1"}]}],"versions":["2.6.14-1","2.6.14-2","2.6.15-1","2.7.0-1","2.7.0-1~bpo13+1","2.7.0~alpha1-1","2.7.0~alpha2-1","2.7.0~alpha3-1","2.7.0~beta1-1","2.7.0~beta2-1","2.7.0~beta3-1","2.7.0~rc1-1","2.7.0~rc2-1","2.7.0~rc2-2","2.7.0~rc3-1","2.7.0~rc4-1","2.7.0~rc5-1","2.7.0~rc6-1","2.7.1-1","2.7.1-1~bpo13+1","2.7.2-1~bpo13+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}