USN-6128-2: CUPS vulnerability
USN-6128-1 fixed a vulnerability in CUPS. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that CUPS incorrectly handled logging. A remote attacker
could use this issue to cause CUPS to crash, resulting in a denial of
service, or possibly execute arbitrary code.
Source: USN-6128-2: CUPS vulnerability