Bugzilla shouldn't deny permission to view bugs, i.e. I shouldn't ever get "this bug depends on..." and not be able to see the other bug report just because I don't work for Red Hat. Running into this kind of thing makes testing and reporting bugs much less rewarding.
*** Bug 49662 has been marked as a duplicate of this bug. ***
Many bugs are marked as private for security reasons or other sensitive information. Not much we can do about it.