Squid 3.x < 3.2.9 / 3.3.x < 3.3.3 strHdrAcptLangGetItem DoS

Squid version prior to 3.2.9 or 3.3.3 are potentially affected by a denial of service vulnerability. An error exists in the function ‘strHdrAcptLangGetItem’ in the field ‘errorpage.cc’ that would allow certain ‘Accept-Language’ HTTP headers to cause a denial of service condition.