Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.75-1ubuntu0.16.04.1", "binary_name": "dnsmasq" }, { "binary_version": "2.75-1ubuntu0.16.04.1", "binary_name": "dnsmasq-base" }, { "binary_version": "2.75-1ubuntu0.16.04.1", "binary_name": "dnsmasq-utils" } ] }