This bug has been copied from bug #491338 and has been proposed to be backported to 4.7 z-stream (EUS).
Ben, looks like this one has been proposed to EUS due to one of committed 4.7.z bug may need this additional patch to fix the problem fully. Please see, https://bugzilla.redhat.com/show_bug.cgi?id=479184#18
Committed in 78.0.22.EL
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2009-0459.html