Integer signedness error in dirapi.dll in Adobe Shockwave Player before 11.5.7.609 and Adobe Director before 11.5.7.609 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted .dir file that triggers an invalid read operation.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7273
http://www.adobe.com/support/security/bulletins/apsb10-12.html