=========================================================================Ubuntu Security Notice USN-3410-2
September 05, 2017
libgd2 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
GD library could be made to crash if it opened a specially crafted
file.
Software Description:
- libgd2: GD Graphics Library
Details:
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libgd-tools 2.0.36~rc1~dfsg-6ubuntu2.6
libgd2-noxpm 2.0.36~rc1~dfsg-6ubuntu2.6
libgd2-xpm 2.0.36~rc1~dfsg-6ubuntu2.6
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3410-2
https://ubuntu.com/security/notices/USN-3410-1
CVE-2017-6362
