Provide references for CVE-2017-12855.
Where can I find more information about CVE-2017-12855?
References are available at: https://support.citrix.com/article/CTX225941, http://www.securitytracker.com/id/1039177, http://www.securityfocus.com/bid/100341, http://www.debian.org/security/2017/dsa-3969, http://xenbits.xen.org/xsa/advisory-230.html.