What's new in this version:
•A media streaming security vulnerability was fixed in both Flash Player and Flash Media Server. As a result, Flash Media Interactive Server 3 and Flash Media Streaming Server 3 customers who are streaming H.264 content to Flash Player 9.0.124.0 or higher will need to upgrade their server to version 3.0.1. (1688970)
•When html/SWF is in the local sandbox, getURL('javascript:.....') calls fail with Flash Player 9.0.115.0 in IE7. These calls will no longer fail in 9.0.124.0. (214359)
•A run-time warning has been added to the debug player in version 9.0.124.0 to reflect that AllowScriptAccess=”never” has been deprecated. (217472) Full-screen playback shows black triangles in Flash Player 9.0.115.0 on ATI cards on Microsoft Vista. (213941)
•Authorization header has been reinstated in Flash Player 9.0.124.0.
http://www.adobe.com/go/EN_US-H-GET-FLASH