USN-3410-2: GD library vulnerability
Ubuntu Security Notice USN-3410-2
5th September, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
GD library could be made to crash if it opened a specially crafted file.
- libgd2 - GD Graphics Library
USN-3410-1 fixed a vulnerability in GD Graphics Library.
This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that the GD Graphics Library (aka libgd) incorrectly handled
certain malformed PNG images. A remote attacker could use this issue to cause
the GD Graphics Library to crash, resulting in a denial of service, or possibly
execute arbitrary code.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- libgd2-xpm 2.0.36~rc1~dfsg-6ubuntu2.6
- libgd2-noxpm 2.0.36~rc1~dfsg-6ubuntu2.6
- libgd-tools 2.0.36~rc1~dfsg-6ubuntu2.6
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.