USN-3410-1: GD library vulnerability
Ubuntu Security Notice USN-3410-1
5th September, 2017
libgd2 vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
GD library could be made to crash if it opened a specially crafted
file.
Software description
- libgd2
– GD Graphics Library
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 17.04:
-
libgd3
2.2.4-2ubuntu0.3
-
libgd-tools
2.2.4-2ubuntu0.3
- Ubuntu 16.04 LTS:
-
libgd3
2.1.1-4ubuntu0.16.04.8
-
libgd-tools
2.1.1-4ubuntu0.16.04.8
- Ubuntu 14.04 LTS:
-
libgd3
2.1.0-3ubuntu0.8
-
libgd-tools
2.1.0-3ubuntu0.8
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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