USN-1123-1: Xulrunner vulnerabilities

30 April 2011

Multiple Xulrunner 1.9.1 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.10


Multiple xulrunner-1.9.1 vulnerabilities

Software Description

  • xulrunner-1.9.1 - XUL + XPCOM application runner


A large number of security issues were discovered in the Gecko rendering engine. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

Update instructions

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

Ubuntu 9.10
xulrunner-1.9.1 -

To update your system, please follow these instructions:

After a standard system update you need to restart any applications which use Xulrunner to make all the necessary changes.