{"id":"UBUNTU-CVE-2017-14494","details":"dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.","modified":"2026-02-04T02:32:19.069009Z","published":"2017-10-02T00:00:00Z","related":["USN-3430-1","USN-3430-2"],"upstream":["CVE-2017-14494"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-14494"},{"type":"REPORT","url":"https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3430-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3430-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-14494"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.68-1ubuntu0.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68-1ubuntu0.2"}]}],"versions":["2.66-4ubuntu1","2.67-1","2.68-1","2.68-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dnsmasq","binary_version":"2.68-1ubuntu0.2"},{"binary_version":"2.68-1ubuntu0.2","binary_name":"dnsmasq-base"},{"binary_name":"dnsmasq-utils","binary_version":"2.68-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14494.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.75-1ubuntu0.16.04.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.75-1ubuntu0.16.04.3"}]}],"versions":["2.75-1","2.75-1ubuntu0.16.04.1","2.75-1ubuntu0.16.04.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dnsmasq","binary_version":"2.75-1ubuntu0.16.04.3"},{"binary_name":"dnsmasq-base","binary_version":"2.75-1ubuntu0.16.04.3"},{"binary_name":"dnsmasq-utils","binary_version":"2.75-1ubuntu0.16.04.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14494.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}