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=========================================================================Ubuntu Security Notice USN-3389-1
August 14, 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:

The system could be made to expose sensitive information.

Software Description:
- libgd2: GD Graphics Library

Details:

A vulnerability was descovered in GD Graphics Library (aka libgd),
as used in PHP before 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:
  libgd-tools                     2.2.4-2ubuntu0.2

Ubuntu 16.04 LTS:
  libgd-tools                     2.1.1-4ubuntu0.16.04.7

Ubuntu 14.04 LTS:
  libgd-tools                     2.1.0-3ubuntu0.7

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

References:
  https://ubuntu.com/security/notices/USN-3389-1
  CVE-2017-7890

Package Information:
  https://launchpad.net/ubuntu/+source/libgd2/2.2.4-2ubuntu0.2
  https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.7
  https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.7

Ubuntu 3389-1: LibGD vulnerability

August 14, 2017
The system could be made to expose sensitive information.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04:   libgd-tools                     2.2.4-2ubuntu0.2 Ubuntu 16.04 LTS:   libgd-tools                     2.1.1-4ubuntu0.16.04.7 Ubuntu 14.04 LTS:   libgd-tools                     2.1.0-3ubuntu0.7 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-3389-1

  CVE-2017-7890

Severity
August 14, 2017

Package Information

  https://launchpad.net/ubuntu/+source/libgd2/2.2.4-2ubuntu0.2   https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.7   https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.7

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