[USN-3900-1] GD vulnerabilities
Marc Deslauriers
marc.deslauriers at canonical.com
Thu Feb 28 14:43:59 UTC 2019
==========================================================================
Ubuntu Security Notice USN-3900-1
February 28, 2019
libgd2 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in GD.
Software Description:
- libgd2: GD Graphics Library
Details:
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
libgd-tools 2.2.5-4ubuntu1.1
libgd3 2.2.5-4ubuntu1.1
Ubuntu 18.04 LTS:
libgd-tools 2.2.5-4ubuntu0.3
libgd3 2.2.5-4ubuntu0.3
Ubuntu 16.04 LTS:
libgd-tools 2.1.1-4ubuntu0.16.04.11
libgd3 2.1.1-4ubuntu0.16.04.11
Ubuntu 14.04 LTS:
libgd-tools 2.1.0-3ubuntu0.11
libgd3 2.1.0-3ubuntu0.11
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3900-1
CVE-2019-6977, CVE-2019-6978
Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu1.1
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.3
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.11
https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.11
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