4.201. xulrunner

Updated xulrunner packages that fix one bug are now available for Red Hat Enterprise Linux 5.
XULRunner provides the XUL Runtime environment for applications using the Gecko layout engine.

Bug Fix

BZ#811205
Previously, XULRunner incorrectly handled generation of cryptographic key pairs when using a third-party software token that implemented an additional cryptographic algorithm. As a consequence, this additional algorithm could have not been used for the key generation. With this update, use of third-party software tokens that implement additional cryptography algorithms for key generation is now supported correctly.
All users of xulrunner are advised to upgrade to these updated packages, which fix this bug.
Updated xulrunner packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) associated with each description below.
XULRunner provides the XUL Runtime environment for applications using the Gecko layout engine.

Security Fix

CVE-2012-4193
A flaw was found in the way XULRunner handled security wrappers. A web page containing malicious content could possibly cause an application linked against XULRunner (such as Mozilla Firefox) to execute arbitrary code with the privileges of the user running the application.
For technical details regarding this flaw, refer to the Mozilla security advisories.
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges moz_bug_r_a4 as the original reporter.
All XULRunner users should upgrade to these updated packages, which correct this issue. After installing the update, applications using XULRunner must be restarted for the changes to take effect.