{"id":"CVE-2019-10190","details":"A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.","modified":"2026-04-10T04:13:44.036390Z","published":"2019-07-16T18:15:12.087Z","references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html"},{"type":"ADVISORY","url":"https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cz-nic/knot-resolver","events":[{"introduced":"0"},{"last_affected":"839e7c4173d18800fd827eed7fad9afbb08a8135"},{"introduced":"40cdcc0f7d5cb9a767111ae5e5ecd08b26ea8bc4"},{"fixed":"0d2f2faff25dc01dcb676cd3c4242047af705e7a"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.2.0"},{"introduced":"4.0.0"},{"fixed":"4.1.0"}]}}],"versions":["v1.0.0","v1.0.0-beta1","v1.0.0-beta2","v1.0.0-beta3","v1.1.0","v1.1.1","v1.2.0","v1.2.0-rc1","v1.2.0-rc2","v1.2.0-rc3","v1.2.1","v1.2.6","v1.3.0","v1.3.1","v1.3.2","v1.3.3","v1.4.0","v1.5.0","v1.5.1","v2.0.0","v2.1.0","v2.1.1","v2.2.0","v2.3.0","v2.4.0","v3.0.0","v3.1.0","v3.2.0","v4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10190.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"30"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}