Integer signedness error in the DIRAPI module in Adobe Shockwave Player before 11.5.8.612 allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a count value associated with an "undocumented structure" and the tSAC chunk in a Director movie.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11932
http://www.vupen.com/english/advisories/2010/2176
http://www.securitytracker.com/id?1024361
http://www.securityfocus.com/archive/1/513301/100/0/threaded
http://www.adobe.com/support/security/bulletins/apsb10-20.html