Provide references for CVE-2011-4606.
Where can I find more information about CVE-2011-4606?
References are available at: http://openwall.com/lists/oss-security/2011/12/12/3, https://bugzilla.redhat.com/show_bug.cgi?id=766805, http://openwall.com/lists/oss-security/2011/12/12/2, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=651620.