The implementation of pami RIFF chunk parsing in Adobe Shockwave Player before 11.5.7.609 does not validate a certain value from a file before using it in file-pointer calculations, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted .dir (aka Director) file.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7416
http://www.zerodayinitiative.com/advisories/ZDI-10-089/
http://www.vupen.com/english/advisories/2010/1128
http://www.securityfocus.com/archive/1/511242/100/0/threaded
http://www.adobe.com/support/security/bulletins/apsb10-12.html