Secunia has posted an advisory about a squid DoS issue. http://secunia.com/advisories/12508/ The information contained in the squid bug is a bit confusing. http://www.squid-cache.org/bugs/show_bug.cgi?id=972 We may have to do some investiagation into this issue.
*** Bug 133931 has been marked as a duplicate of this bug. ***
I've released a squid update that fixes this.