Provide references for CVE-2015-4050.
Where can I find more information about CVE-2015-4050?
References are available at: http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access, http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159610.html, http://www.debian.org/security/2015/dsa-3276, http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159603.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.html, http://www.securityfocus.com/bid/74928.