Provide references for CVE-2013-4393.
Where can I find more information about CVE-2013-4393?
References are available at: https://security.gentoo.org/glsa/201612-34, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357, http://www.openwall.com/lists/oss-security/2013/10/01/9, https://bugzilla.redhat.com/show_bug.cgi?id=859104.