ViewVC exception error on http://cvs.drupal.org/

When you go to http://cvs.drupal.org/ you see:

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/viewvc/lib/viewvc.py", line 4117, in main
    request.run_viewvc()
  File "/usr/lib/python2.4/site-packages/viewvc/lib/viewvc.py", line 398, in run_viewvc
    self.view_func(self)
  File "/usr/lib/python2.4/site-packages/viewvc/lib/viewvc.py", line 1725, in view_directory
    options)
  File "/usr/lib/python2.4/site-packages/viewvc/lib/vclib/ccvs/bincvs.py", line 84, in listdir
    for file in os.listdir(full_name):
OSError: [Errno 13] Permission denied: '/cvs/drupal'

Does this need a similar fix to #619598: Um... I can't commit patches to core :) ?