Ubuntu Security Notice USN-4593-2
October 22, 2020
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
FreeType could be made to crash or run programs as your login if it
opened a specially crafted file.
– freetype: FreeType 2 is a font engine library
USN-4593-1 fixed a vulnerability in FreeType. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Sergei Glazunov discovered that FreeType did not correctly handle certain
malformed font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
After a standard system update you need to restart your session to make
all the necessary changes.