Ubuntu Security Notice 5126-2 - USN-5126-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Kishore Kumar Kothapalli discovered that Bind incorrectly handled the lame cache when processing responses. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service. Various other issues were also addressed.
84bfe5f035a07b28c524d5511207a27c943a510340e420ed5c2d0481add22b33