Buffer overflow in BSD line printer daemon (in.lpd or lpd) in various BSD-based operating systems allows remote attackers to execute arbitrary code via an incomplete print job followed by a request to display the printer queue.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7046
http://xforce.iss.net/alerts/advise94.php
http://www.securityfocus.com/bid/3252
http://www.redhat.com/support/errata/RHSA-2001-147.html
http://www.openbsd.com/errata28.html