debdiff.pl in devscripts 2.10.x before 2.10.69 and 2.11.x before 2.11.4 allows remote attackers to execute arbitrary code via a crafted tarball file name in the top-level directory of an original (.orig) source tarball of a source package.
https://exchange.xforce.ibmcloud.com/vulnerabilities/73216
http://www.securityfocus.com/bid/52029
http://www.debian.org/security/2012/dsa-2409
http://ubuntu.com/usn/usn-1366-1
http://secunia.com/advisories/48039