USN-4976-2: Dnsmasq vulnerability
USN-4976-2: Dnsmasq vulnerability USN-4976-1 fixed a vulnerability in Dnsmasq. This update provides the corresponding update for Ubuntu 16.04 ESM. Dnsmasq has been updated to 2.79-1 for Ubuntu 16.04 ESM in order to fix some security issues. Original advisory details: Petr Mensik discovered that Dnsmasq incorrectly randomized source ports in certain configurations. A remote attacker could possibly use this issue to facilitate DNS cache poisoning attacks. Source: USN-4976-2: Dnsmasq vulnerability