{"affected":[{"affectedData":[{"product":"knot-resolver","vendor":"n/a","versions":[{"status":"affected","version":"Knot Resolver 2.3.0"}]}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*","matchCriteriaId":"CF991926-F613-4F3D-8A32-D4E1B35CF775","versionEndExcluding":"2.3.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages may cause denial of service."},{"lang":"es","value":"Se encontró un fallo en knot-resolver versiones anteriores a 2.3.0. Unos mensajes DNS malformados pueden causar una denegación de servicio."}],"id":"CVE-2018-1110","lastModified":"2026-06-17T01:50:30.000","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-03-30T02:15:14.750","references":[{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1944328"},{"source":"secalert@redhat.com","tags":["Release Notes","Vendor Advisory"],"url":"https://www.knot-resolver.cz/2018-04-23-knot-resolver-2.3.0.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1944328"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"],"url":"https://www.knot-resolver.cz/2018-04-23-knot-resolver-2.3.0.html"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"secalert@redhat.com","type":"Secondary"}]}