{"id":"CVE-2025-12106","details":"Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses","modified":"2026-08-12T03:51:25.940534385Z","published":"2025-12-01T12:43:02.480Z","database_specific":{"cna_assigner":"OpenVPN","cwe_ids":["CWE-126"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12106.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.7_alpha1"},{"last_affected":"2.7_rc1"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"2.7_alpha1"},{"fixed":"2.7_rc1"}],"source":"DESCRIPTION"}]},"references":[{"type":"ADVISORY","url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-12106"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12106.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12106"},{"type":"ADVISORY","url":"https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvpn/openvpn","events":[{"introduced":"5662b3a8eb9e5744602a6da8cf3847455a0ba74f"},{"last_affected":"e37f7692df1f258e2d94ee44ac75c5f24e4d6b2d"}],"database_specific":{"source":"CPE_STRING","cpe":["cpe:2.3:a:openvpn:openvpn:2.6.13:*:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:alpha1:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:alpha2:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:alpha3:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:beta1:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:beta2:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:beta3:*:*:community:*:*:*","cpe:2.3:a:openvpn:openvpn:2.7:rc1:*:*:community:*:*:*"],"extracted_events":[{"introduced":"2.6.13"},{"last_affected":"2.6.13"},{"introduced":"2.7-alpha1"},{"last_affected":"2.7-alpha1"},{"introduced":"2.7-alpha2"},{"last_affected":"2.7-alpha2"},{"introduced":"2.7-alpha3"},{"last_affected":"2.7-alpha3"},{"introduced":"2.7-beta1"},{"last_affected":"2.7-beta1"},{"introduced":"2.7-beta2"},{"last_affected":"2.7-beta2"},{"introduced":"2.7-beta3"},{"last_affected":"2.7-beta3"},{"introduced":"2.7-rc1"},{"last_affected":"2.7-rc1"}]}}],"versions":["2.6.13","2.7-alpha1","2.7-alpha2","2.7-alpha3","2.7-beta1","2.7-beta2","2.7-beta3","2.7-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12106.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}