CVE-2016-3948
Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.
Date published : 2016-04-07
http://www.squid-cache.org/Advisories/SQUID-2016_4.txt
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14016.patch