{"id":"UBUNTU-CVE-2018-1110","details":"A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages may cause denial of service.","modified":"2026-04-22T11:41:10.091939Z","published":"2021-03-30T02:15:00Z","upstream":["CVE-2018-1110"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1110"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2018/04/23/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1110"}],"affected":[{"package":{"name":"knot-resolver","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/knot-resolver@1.0.0~beta3-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0~beta2-123-g6134920-1","1.0.0~beta3-1","1.0.0~beta3-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0~beta3-1ubuntu0.1~esm1","binary_name":"knot-resolver"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1110.json"}},{"package":{"name":"knot-resolver","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/knot-resolver@2.1.1-1ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-1","1.5.0-4","1.5.1-1","1.5.2-1","2.0.0-3","2.1.0-1","2.1.0-2","2.1.1-1","2.1.1-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.1-1ubuntu0.1~esm2","binary_name":"knot-resolver"},{"binary_version":"2.1.1-1ubuntu0.1~esm2","binary_name":"knot-resolver-module-http"},{"binary_version":"2.1.1-1ubuntu0.1~esm2","binary_name":"libkres6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1110.json"}}],"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:N/A:H"},{"type":"Ubuntu","score":"medium"}]}