CVE-2016-3947
Heap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8 allows remote servers to cause a denial of service (performance degradation or transition failures) or write sensitive information to log files via an ICMPv6 packet.
Date published : 2016-04-07
http://www.squid-cache.org/Advisories/SQUID-2016_3.txt
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10495.patch