Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server termination) via a long name in a DNS lookup request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/85564
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patch
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch
http://www.squid-cache.org/Advisories/SQUID-2013_2.txt
http://www.securityfocus.com/bid/61111
http://www.openwall.com/lists/oss-security/2013/07/11/8
http://secunia.com/advisories/54839
http://secunia.com/advisories/54834
http://secunia.com/advisories/54076
http://lists.opensuse.org/opensuse-updates/2013-09/msg00033.html
http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html
http://lists.opensuse.org/opensuse-updates/2013-09/msg00030.html
http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html
http://lists.opensuse.org/opensuse-updates/2013-09/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html