{"id":"UBUNTU-CVE-2025-13086","details":"Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client","modified":"2026-02-09T06:29:00.882792Z","published":"2025-11-19T00:00:00Z","related":["USN-7898-1"],"upstream":["CVE-2025-13086"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-13086"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-13086"},{"type":"REPORT","url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-13086"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7898-1"}],"affected":[{"package":{"name":"openvpn","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/openvpn@2.6.14-0ubuntu0.24.04.3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.14-0ubuntu0.24.04.3"}]}],"versions":["2.6.5-0ubuntu1","2.6.7-1ubuntu1","2.6.9-1ubuntu2","2.6.9-1ubuntu3","2.6.9-1ubuntu4","2.6.9-1ubuntu4.1","2.6.12-0ubuntu0.24.04.1","2.6.12-0ubuntu0.24.04.3","2.6.14-0ubuntu0.24.04.1","2.6.14-0ubuntu0.24.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"openvpn","binary_version":"2.6.14-0ubuntu0.24.04.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13086.json"}},{"package":{"name":"openvpn","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/openvpn@2.6.14-2ubuntu1.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.14-2ubuntu1.1"}]}],"versions":["2.6.13-1ubuntu3","2.6.14-1ubuntu1","2.6.14-2ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"openvpn","binary_version":"2.6.14-2ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13086.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}