Provide references for CVE-2013-4389.
Where can I find more information about CVE-2013-4389?
References are available at: http://www.debian.org/security/2014/dsa-2887, http://lists.opensuse.org/opensuse-updates/2014-01/msg00003.html, https://groups.google.com/forum/message/raw?msg=ruby-security-ann/yvlR1Vx44c8/elKJkpO2KVgJ, http://lists.opensuse.org/opensuse-updates/2013-12/msg00094.html, http://lists.opensuse.org/opensuse-updates/2013-12/msg00091.html, http://www.debian.org/security/2014/dsa-2888.