Referenced CVEs: 
CAN-2005-0718
Description: 
=========================================================== Ubuntu Security Notice USN-111-1 April 14, 2005 squid vulnerability CAN-2005-0718 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 4.10 (Warty Warthog) The following packages are affected: squid The problem can be corrected by upgrading the affected package to version 2.5.5-6ubuntu0.7. In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: A remote Denial of Service vulnerability has been discovered in Squid. If the remote end aborted the connection during a PUT or POST request, Squid tried to free an already freed part of memory, which eventually caused the server to crash.