This indicates an attack attempt to exploit a Memory Corruption vulnerability in Macromedia Shockwave.
The vulnerability, which is located in the "SwDir.dll" ActiveX control, can be exploited through misuse of "AutoStart" and other properties. It may allow remote attackers to execute arbitrary code in the context of the application using the affected ActiveX control. Failed exploit attempts will likely cause the program to crash, resulting in a Denial of Service condition.
Macromedia Shockwave 10.1.4.20
Macromedia Shockwave 10.1.1
Macromedia Shockwave 10.1.0.11
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are not aware of any officially supplied fix for this issue.