This update for squid3 fixes the following issues: - Multiple issues in pinger ICMP processing. - CVE-2016-3947: Buffer overrun issue in pinger ICMPv6 processing. - CVE-2016-4554: fix header smuggling issue in HTTP Request processing - fix multiple Denial of Service issues in HTTP Response processing. - CVE-2016-3948: Fix denial of service in HTTP Response processing - CVE-2016-4051: fixes buffer overflow in cachemgr.cgi - CVE-2016-4052, CVE-2016-4053, CVE-2016-4054: * fixes multiple issues in ESI processing - CVE-2016-4556: fixes double free vulnerability in Esi.cc - CVE-2015-5400: Improper Protection of Alternate Path - CVE-2014-6270: fix off-by-one in snmp subsystem - Memory leak in squid3 when using external_acl