{"id":"UBUNTU-CVE-2017-15107","details":"A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.","modified":"2026-01-30T01:32:17.323642Z","published":"2018-01-23T16:29:00Z","related":["USN-4924-1"],"upstream":["CVE-2017-15107"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-15107"},{"type":"REPORT","url":"http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4924-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-15107"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.75-1ubuntu0.16.04.10?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.75-1ubuntu0.16.04.10"}]}],"versions":["2.75-1","2.75-1ubuntu0.16.04.1","2.75-1ubuntu0.16.04.2","2.75-1ubuntu0.16.04.3","2.75-1ubuntu0.16.04.4","2.75-1ubuntu0.16.04.5","2.75-1ubuntu0.16.04.7","2.75-1ubuntu0.16.04.8"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.75-1ubuntu0.16.04.10","binary_name":"dnsmasq"},{"binary_version":"2.75-1ubuntu0.16.04.10","binary_name":"dnsmasq-base"},{"binary_version":"2.75-1ubuntu0.16.04.10","binary_name":"dnsmasq-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-15107.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]}