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Ubuntu Security Notice USN-3755-1
August 27, 2018
libgd2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– 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 certain images.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-1000222)
It was discovered that GD incorrectly handled certain GIF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-5711)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
libgd-tools 2.2.5-4ubuntu0.2
libgd3 2.2.5-4ubuntu0.2
Ubuntu 16.04 LTS:
libgd-tools 2.1.1-4ubuntu0.16.04.10
libgd3 2.1.1-4ubuntu0.16.04.10
Ubuntu 14.04 LTS:
libgd-tools 2.1.0-3ubuntu0.10
libgd3 2.1.0-3ubuntu0.10
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3755-1
CVE-2018-1000222, CVE-2018-5711
Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.2
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.10
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