Ubuntu Security Notice 1854-1 - Ilja van Sprundel discovered multiple security issues in various X.org libraries and components. An attacker could use these issues to cause applications to crash, resulting in a denial of service, or possibly execute arbitrary code.
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Ubuntu Security Notice USN-1854-1
June 05, 2013
libx11 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in libx11.
Software Description:
- libx11: X11 client-side library
Details:
Ilja van Sprundel discovered multiple security issues in various X.org
libraries and components. An attacker could use these issues to cause
applications 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 13.04:
libx11-6 2:1.5.0-1ubuntu1.1
Ubuntu 12.10:
libx11-6 2:1.5.0-1ubuntu0.1
Ubuntu 12.04 LTS:
libx11-6 2:1.4.99.1-0ubuntu2.1
Ubuntu 10.04 LTS:
libx11-6 2:1.3.2-1ubuntu3.1
After a standard system update you need to restart your session to make all
the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1854-1
CVE-2013-1981, CVE-2013-1997, CVE-2013-2004
Package Information:
https://launchpad.net/ubuntu/+source/libx11/2:1.5.0-1ubuntu1.1
https://launchpad.net/ubuntu/+source/libx11/2:1.5.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libx11/2:1.4.99.1-0ubuntu2.1
https://launchpad.net/ubuntu/+source/libx11/2:1.3.2-1ubuntu3.1