Improper handling in the Autodesk FBX-SDK before 2017.1 of type mismatches and previously deleted objects related to reading and converting malformed FBX format files can allow attackers to gain access to uninitialized pointers.
http://www.securityfocus.com/bid/95803
http://www.autodesk.com/trust/security-advisories/adsk-sa-2016-01