A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10
USN-4668-1 introduced a regression in python-apt.
- python-apt: Python interface to libapt-pkg
USN-4668-1 fixed vulnerabilities in python-apt. That update caused a
regression by removing information describing the Ubuntu 20.10 release from
the Ubuntu templates. This update fixes the problem by restoring this
We apologize for the inconvenience.
Original advisory details:
Kevin Backhouse discovered that python-apt incorrectly handled
local attacker could possibly use this issue to cause python-apt to
resources, leading to a denial of service.
The problem can be corrected by updating your system to the following
In general, a standard system update will make all the necessary changes.