Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 13.04: USN-1858-1 Critical: Libxfixes Denial Of Service

ubuntu
Calendar Grey June 5, 2013
Scroller Ubuntu
Numerous vulnerabilities addressed in libxfixes for Ubuntu, impacting releases 14.04, 13.10, and 12.04 LTS.
Several security issues were fixed in libxfixes.

Summary

Several security issues were fixed in libxfixes.

Software Description:

- libxfixes: X11 miscellaneous fixes extension 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.

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu libxfixes

Update Instructions

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

Ubuntu 13.04:
  libxfixes3                      1:5.0-4ubuntu5.13.04.1

Ubuntu 12.10:
  libxfixes3                      1:5.0-4ubuntu5.12.10.1

Ubuntu 12.04 LTS:
  libxfixes3                      1:5.0-4ubuntu4.1

After a standard system update you need to restart your session to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-1858-1

CVE-2013-1983

Severity
critical
Lowest
Low
Medium
High
Critical

June 05, 2013

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu libxfixes

Package Information

https://launchpad.net/ubuntu/+source/libxfixes/1:5.0-4ubuntu5.13.04.1
https://launchpad.net/ubuntu/+source/libxfixes/1:5.0-4ubuntu5.12.10.1
https://launchpad.net/ubuntu/+source/libxfixes/1:5.0-4ubuntu4.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.