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USN-3389-2: GD vulnerability

14 August 2017

The system could be made to expose sensitive information.

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Releases

Packages

  • libgd2 - GD Graphics Library

Details

USN-3389-1 fixed a vulnerability in GD Graphics Library.
This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-3389-1: libgd-tools, libgd2-noxpm-dev, libgd2-xpm-dev, libgd-dev, libgd2, libgd3

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Further reading