Buffer overflow in the ILASM assembler in the Microsoft .NET 1.0 and 1.1 Framework might allow user-assisted attackers to execute arbitrary code via a .il file that calls a function with a long name.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25438
http://www.vupen.com/english/advisories/2006/1113
http://secunia.com/advisories/19406
http://owasp.net/forums/257/showpost.aspx
http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/044482.html