Upstream bug, along with patch available at: http://www.squid-cache.org/bugs/show_bug.cgi?id=699
*** Bug 137865 has been marked as a duplicate of this bug. ***
According to the ChangeLog, this was fixed in squid-2.5.STABLE3-6.3E.3, and should still be fixed in the squid-2.5.STABLE3-6.3E.7 rpms that were pushed as part of RHSA-2006:061
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 the 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/RHBA-2005-442.html