CVE-2013-1839
The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a "," character in an Accept-Language header.
Date published : 2013-09-30
http://www.securityfocus.com/bid/58316
http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html