USN-4667-2: APT vulnerability
USN-4667-1 fixed a vulnerability in APT. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Kevin Backhouse discovered that APT incorrectly handled certain packages.
A local attacker could possibly use this issue to cause APT to crash or
stop responding, resulting in a denial of service.
Source: USN-4667-2: APT vulnerability