Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-2987-1: GD library vulnerabilities

31 May 2016

The GD library could be made to crash or run programs if it processed a specially crafted image file.

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Releases

Packages

  • libgd2 - GD Graphics Library

Details

It was discovered that the GD library incorrectly handled certain color
tables in XPM images. If a user or automated system were tricked into
processing a specially crafted XPM image, an attacker could cause a denial
of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2014-2497)

It was discovered that the GD library incorrectly handled certain malformed
GIF images. If a user or automated system were tricked into processing a
specially crafted GIF image, an attacker could cause a denial of service.
This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2014-9709)

It was discovered that the GD library incorrectly handled memory when using
gdImageFillToBorder(). A remote attacker could possibly use this issue to
cause a denial of service. (CVE-2015-8874)

It was discovered that the GD library incorrectly handled memory when using
gdImageScaleTwoPass(). A remote attacker could possibly use this issue to
cause a denial of service. This issue only applied to Ubuntu 14.04 LTS,
Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2015-8877)

Hans Jerry Illikainen discovered that the GD library incorrectly handled
certain malformed GD images. If a user or automated system were tricked
into processing a specially crafted GD image, an attacker could cause a
denial of service or possibly execute arbitrary code. (CVE-2016-3074)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

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