The cookie parsing code in Django before 1.8.15 and 1.9.x before 1.9.10, when used on a site with Google Analytics, allows remote attackers to bypass an intended CSRF protection mechanism by setting arbitrary cookies.
https://www.djangoproject.com/weblog/2016/sep/26/security-releases/
http://www.ubuntu.com/usn/USN-3089-1
http://www.securitytracker.com/id/1036899
http://www.securityfocus.com/bid/93182
http://www.debian.org/security/2016/dsa-3678
http://rhn.redhat.com/errata/RHSA-2016-2043.html
http://rhn.redhat.com/errata/RHSA-2016-2042.html
http://rhn.redhat.com/errata/RHSA-2016-2041.html
http://rhn.redhat.com/errata/RHSA-2016-2040.html