USN-3410-2: GD library vulnerability
Ubuntu Security Notice USN-3410-2
5th September, 2017
libgd2 vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 12.04 LTS
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 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.
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