Provide references for CVE-2013-4420.
Where can I find more information about CVE-2013-4420?
References are available at: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=731860, http://www.debian.org/security/2014/dsa-2863, https://lists.feep.net:8080/pipermail/libtar/2014-February/000403.html.