Provide references for CVE-2015-8621.
Where can I find more information about CVE-2015-8621?
References are available at: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=751579, https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8621.html, http://www.openwall.com/lists/oss-security/2015/12/23/4, http://cve.killedkenny.io/cve/CVE-2015-8621, https://security-tracker.debian.org/tracker/CVE-2015-8621/.