CVE-2016-4556
Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.
Date published : 2016-05-10
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html