Solution
Please Install the Updated Packages.
Insight
Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.
This erratum blacklists a small number of HTTPS certificates. (BZ#689430)
All Firefox users should upgrade to these updated packages, which contain a backported patch. After installing the update, Firefox must be restarted for the changes to take effect.
Affected
xulrunner on CentOS 5
References
Updated on 2015-03-25
