Stack-based buffer overflow in PDF Form Filling and Flattening Tool before 3.1.0.12 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via long field names.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26604
http://www.vupen.com/english/advisories/2006/1960
http://www.securityfocus.com/archive/1/434992/30/4770/threaded
http://secunia.com/advisories/20233
http://lists.grok.org.uk/pipermail/full-disclosure/2006-May/046292.html