Ubuntu Security Notice USN-4667-2
January 11, 2021
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
APT could be made to crash or stop responding if it opened a specially
– apt: Advanced front-end for dpkg
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.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.