Microsoft Silverlight Multiple Memory Leak Vulnerabilities

Summary
This host is installed with Microsoft Silverlight and is prone to to multiple memory leak vulnerabilities.
Impact
Successful exploitation will allow attacker to cause denial of service. Impact Level: Application
Solution
Upgrade to Microsoft Silverlight 4.0.60310.0 or later, For updates refer to http://www.microsoft.com/getsilverlight/Get-Started/Install/Default.aspx
Insight
The flaws exists due to: - An error in handling of 'popup' control and a custom 'DependencyProperty' property. - An error in the 'DataGrid' control implementation, which allows remote attacker to consume memory via an application involving subscriptions to an INotifyDataErrorInfo.ErrorsChanged event or TextBlock or a TextBox element.
Affected
Microsoft Silverlight version 4 before 4.0.60310.0
References