The cpio_safer_name_suffix function in util.c in cpio 2.11 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted cpio file.
http://www.ubuntu.com/usn/USN-2906-1
http://www.securitytracker.com/id/1035067
http://www.securityfocus.com/bid/82293
http://www.openwall.com/lists/oss-security/2016/01/22/4