CVE-2007-6239 (MEDIUM-Network exploitable) :
The "cache update reply processing" functionality in Squid 2.x before 2.6.STABLE17 and Squid
3.0 allows remote attackers to cause a denial of service (crash) via unknown vectors related to
HTTP headers and an Array memory leak during requests for cached objects.
Aldas Nabazas
Alejandro Mery