Advisory Published

USN-3900-1: GD vulnerabilities

First published: Thu Feb 28 2019(Updated: )

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.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libgd-tools<2.2.5-4ubuntu1.1
2.2.5-4ubuntu1.1
=18.10
All of
ubuntu/libgd3<2.2.5-4ubuntu1.1
2.2.5-4ubuntu1.1
=18.10
All of
ubuntu/libgd-tools<2.2.5-4ubuntu0.3
2.2.5-4ubuntu0.3
=18.04
All of
ubuntu/libgd3<2.2.5-4ubuntu0.3
2.2.5-4ubuntu0.3
=18.04
All of
ubuntu/libgd-tools<2.1.1-4ubuntu0.16.04.11
2.1.1-4ubuntu0.16.04.11
=16.04
All of
ubuntu/libgd3<2.1.1-4ubuntu0.16.04.11
2.1.1-4ubuntu0.16.04.11
=16.04
All of
ubuntu/libgd-tools<2.1.0-3ubuntu0.11
2.1.0-3ubuntu0.11
=14.04
All of
ubuntu/libgd3<2.1.0-3ubuntu0.11
2.1.0-3ubuntu0.11
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this advisory?

    The vulnerability ID is USN-3900-1.

  • What is the description of this vulnerability?

    GD incorrectly handles memory when processing certain images, which can allow a remote attacker to cause a denial of service or execute arbitrary code.

  • What software is affected by this vulnerability?

    The libgd-tools package versions 2.2.5-4ubuntu1.1, 2.2.5-4ubuntu0.3, and 2.1.1-4ubuntu0.16.04.11, as well as the libgd3 package versions 2.2.5-4ubuntu1.1, 2.2.5-4ubuntu0.3, 2.1.1-4ubuntu0.16.04.11, 2.1.0-3ubuntu0.11 are affected.

  • How can an attacker exploit this vulnerability?

    An attacker can exploit this vulnerability by providing a specially crafted image file to GD.

  • What is the remedy for this vulnerability?

    To fix this vulnerability, update to the following package versions: libgd-tools 2.2.5-4ubuntu1.1, libgd3 2.2.5-4ubuntu1.1, libgd-tools 2.2.5-4ubuntu0.3, libgd3 2.2.5-4ubuntu0.3, libgd-tools 2.1.1-4ubuntu0.16.04.11, libgd3 2.1.1-4ubuntu0.16.04.11, libgd-tools 2.1.0-3ubuntu0.11, and libgd3 2.1.0-3ubuntu0.11.

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