{"id":"CVE-2017-7478","details":"OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.","modified":"2026-03-20T11:21:51.813982Z","published":"2017-05-15T18:29:00.293Z","related":["MGASA-2017-0152","SUSE-SU-2017:1622-1","SUSE-SU-2017:1718-1","SUSE-SU-2017:2838-1"],"references":[{"type":"WEB","url":"https://www.exploit-db.com/exploits/41993/"},{"type":"WEB","url":"http://www.securityfocus.com/bid/98444"},{"type":"WEB","url":"http://www.securitytracker.com/id/1038473"},{"type":"ADVISORY","url":"https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvpn/openvpn","events":[{"introduced":"0"},{"last_affected":"8990b218fa9db71714ac42b0095c594e19861320"},{"introduced":"0"},{"last_affected":"787515cdcd7a510489566306b2c0edc45eb2e389"},{"introduced":"0"},{"last_affected":"117dadc02d163a3e93c28ef7bd296c8dfa1f6156"},{"introduced":"0"},{"last_affected":"307abe7b32e951ece58c7964b3fa72536aee6724"},{"introduced":"0"},{"last_affected":"bb9d4c91c95f245dea87735e4e05661e04931b33"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.3.12"},{"introduced":"0"},{"last_affected":"2.3.13"},{"introduced":"0"},{"last_affected":"2.3.14"},{"introduced":"0"},{"last_affected":"2.4.0"},{"introduced":"0"},{"last_affected":"2.4.1"}]}}],"versions":["v2.1.0","v2.1.1","v2.1.2","v2.1.3","v2.1_rc1","v2.1_rc10","v2.1_rc11","v2.1_rc12","v2.1_rc13","v2.1_rc14","v2.1_rc15","v2.1_rc16","v2.1_rc17","v2.1_rc18","v2.1_rc19","v2.1_rc2","v2.1_rc20","v2.1_rc21","v2.1_rc22","v2.1_rc3","v2.1_rc4","v2.1_rc5","v2.1_rc6","v2.1_rc7","v2.1_rc8","v2.1_rc9","v2.2-RC","v2.2-RC2","v2.2-beta4","v2.2-beta5","v2.3-alpha1","v2.3.0","v2.3.1","v2.3.10","v2.3.11","v2.3.12","v2.3.2","v2.3.3","v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9","v2.3_alpha2","v2.3_alpha3","v2.3_beta1","v2.3_rc1","v2.3_rc2","v2.4.0","v2.4_alpha1","v2.4_alpha2","v2.4_beta1","v2.4_beta2","v2.4_rc1","v2.4_rc2"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.4.0-alpha2"}]},{"events":[{"introduced":"0"},{"last_affected":"2.4.0-beta1"}]},{"events":[{"introduced":"0"},{"last_affected":"2.4.0-beta2"}]},{"events":[{"introduced":"0"},{"last_affected":"2.4.0-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"2.4.0-rc2"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-7478.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}