{"id":"UBUNTU-CVE-2019-14513","details":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.","modified":"2026-02-04T03:44:48.959186Z","published":"2019-08-01T21:15:00Z","related":["USN-4924-1"],"upstream":["CVE-2019-14513"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-14513"},{"type":"REPORT","url":"https://github.com/Slovejoy/dnsmasq-pre2.76"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4924-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-14513"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.68-1ubuntu0.2+esm3?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.66-4ubuntu1","2.67-1","2.68-1","2.68-1ubuntu0.1","2.68-1ubuntu0.2","2.68-1ubuntu0.2+esm1","2.68-1ubuntu0.2+esm2","2.68-1ubuntu0.2+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.68-1ubuntu0.2+esm3","binary_name":"dnsmasq"},{"binary_version":"2.68-1ubuntu0.2+esm3","binary_name":"dnsmasq-base"},{"binary_version":"2.68-1ubuntu0.2+esm3","binary_name":"dnsmasq-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-14513.json"}},{"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":{"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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-14513.json"}}],"schema_version":"1.7.3","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":"low"}]}