USN-3389-1: GD vulnerability
14 August 2017
The system could be made to expose sensitive information.
Releases
Packages
- libgd2 - GD Graphics Library
Details
A vulnerability was discovered in GD Graphics Library (aka libgd),
as used in PHP that does not zero colorMap arrays before use.
A specially crafted GIF image could use the uninitialized tables to
read bytes from the top of the stack.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.04
Ubuntu 16.04
Ubuntu 14.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-3389-2: libgd-tools, libgd2