{"id":"UBUNTU-CVE-2017-12166","details":"OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.","modified":"2026-02-04T02:50:22.486392Z","published":"2017-10-04T01:29:00Z","related":["USN-7340-1"],"upstream":["CVE-2017-12166"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-12166"},{"type":"REPORT","url":"https://community.openvpn.net/openvpn/wiki/CVE-2017-12166"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2017/09/28/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-12166"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7340-1"}],"affected":[{"package":{"name":"openvpn","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/openvpn@2.3.2-7ubuntu3.2+esm2?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.2-7ubuntu3.2+esm2"}]}],"versions":["2.3.2-4ubuntu1","2.3.2-5ubuntu1","2.3.2-7ubuntu1","2.3.2-7ubuntu2","2.3.2-7ubuntu3","2.3.2-7ubuntu3.1","2.3.2-7ubuntu3.2","2.3.2-7ubuntu3.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"openvpn","binary_version":"2.3.2-7ubuntu3.2+esm2"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-12166.json"}},{"package":{"name":"openvpn","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/openvpn@2.3.10-1ubuntu2.2+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.10-1ubuntu2.2+esm2"}]}],"versions":["2.3.7-1ubuntu1","2.3.7-2ubuntu1","2.3.8-1ubuntu1","2.3.10-1ubuntu1","2.3.10-1ubuntu2","2.3.10-1ubuntu2.1","2.3.10-1ubuntu2.2","2.3.10-1ubuntu2.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"openvpn","binary_version":"2.3.10-1ubuntu2.2+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-12166.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}