Ubuntu Security Notice USN-4316-2
April 02, 2020
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
Several security issues were fixed in GD Graphics Library.
– libgd2: Open source code library for the dynamic creation of images
USN-4316-1 fixed a vulnerability in GD Graphics Library. This update
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that GD Graphics Library incorrectly handled cloning an
image. An attacker could possibly use this issue to cause GD Graphics
to crash, resulting in a denial of service. (CVE-2018-14553)
It was discovered that GD Graphics Library incorrectly handled loading
from X bitmap format files. An attacker could possibly use this issue to
GD Graphics Library to crash, resulting in a denial of service, or to
contents of the stack that has been left there by previous code.
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.