Multiple memory leaks in the DataGrid control implementation in Microsoft Silverlight 4 before 4.0.60310.0 allow remote attackers to cause …

Multiple memory leaks in the DataGrid control implementation in Microsoft Silverlight 4 before 4.0.60310.0 allow remote attackers to cause a denial of service (memory consumption) via an application involving (1) subscriptions to an INotifyDataErrorInfo.ErrorsChanged event or (2) a TextBlock or TextBox element.