Critical: firefox security update
Security Advisory: Critical
Updated firefox and xulrunner packages that fix a security issue are now
available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having critical
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Mozilla Firefox is an open source web browser. XULRunner provides the XUL
Runtime environment for Mozilla Firefox.
An invalid free flaw was found in Firefox's plugin handler. Malicious web
content could result in an invalid memory pointer being freed, causing Firefox
to crash or, potentially, execute arbitrary code with the privileges of the user
running the Firefox application. (CVE-2010-2755)
All Firefox users should upgrade to these updated packages, which contain a
backported patch that corrects this issue. After installing the update, Firefox
must be restarted for the changes to take effect.
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
Vulmon