USN-3900-1: GD vulnerabilities
libgd2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in GD.
Software Description
- libgd2 – GD Graphics Library
Details
It was discovered that GD incorrectly handled memory when processing
certain images. A remote attacker could use this issue with a specially
crafted image file to cause GD 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 18.10
- libgd-tools – 2.2.5-4ubuntu1.1
- libgd3 – 2.2.5-4ubuntu1.1
- Ubuntu 18.04 LTS
- libgd-tools – 2.2.5-4ubuntu0.3
- libgd3 – 2.2.5-4ubuntu0.3
- Ubuntu 16.04 LTS
- libgd-tools – 2.1.1-4ubuntu0.16.04.11
- libgd3 – 2.1.1-4ubuntu0.16.04.11
- Ubuntu 14.04 LTS
- libgd-tools – 2.1.0-3ubuntu0.11
- libgd3 – 2.1.0-3ubuntu0.11
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.
References
Source: USN-3900-1: GD vulnerabilities
