SharePoint Foundation: http://support.microsoft.com/kb/2596508
SharePoint 2010: http://support.microsoft.com/kb/2596505
Project Server: http://support.microsoft.com/kb/2596506
Office 2010 Cumulative Updates for October 2011: http://support.microsoft.com/kb/2618119
Trevor Seward is a Microsoft Office Apps and Services MVP who specializes in SharePoint Server administration, hybrid scenarios, and SharePoint Online. He has been working with SharePoint for 16 years from SharePoint 2003 on up, managing environments with terabytes of content for 150,000+ user organizations. Trevor is an author of Deploying SharePoint 2016 and Deploying SharePoint 2019. You can find him on Twitter and in /r/sharepoint.