MS08-036: Vulnerabilities in Pragmatic General Multicast (PGM) could allow denial of service

Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.

INTRODUCTION

Microsoft has released security bulletin MS08-036. The security bulletin contains all the relevant information about the security update. This information includes deployment options. To view the complete security bulletin, visit one of the following Microsoft Web sites:

• Home users:
  http:⁠//www.microsoft.com/protect/computer/updates/bulletins/200806.mspx Skip the details: Download the updates for your home computer or laptop from the Microsoft Update Web site now:
  http:⁠//update.microsoft.com/microsoftupdate/
• IT professionals:
  http:⁠//www.microsoft.com/technet/security/bulletin/ms08-036.mspx

How to obtain help and support for this security update

Help installing updates:
Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help protect your computer that is running Windows from viruses and malware:
Virus Solution and Security Center

Local support according to your country:
International Support

More Information

Known issues with this security update

After you install this security update, multicast messages that are larger than 64 kilobytes may not be delivered as expected when you use Message Queuing 3.0.

For more information about how to resolve this issue, click the following article number to view the article in the Microsoft Knowledge Base:

961605 FIX: Multicast messages larger than 64 kilobytes (KB) are not delivered as expected by using Message Queuing 3.0 after security update MS08-036 is installed

File information

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the
Time Zone tab in the Date and Time item in Control Panel.

For all supported Itanium-based editions of Windows Server 2008

For all supported x64-based editions of Windows Vista or Windows Server 2008

For all supported 32-bit editions of Windows Vista or Windows Server 2008

For all supported x64-based editions of Windows Server 2003 or Windows XP Professional

For all supported Itanium-based editions of Windows Server 2003

For all supported 32-bit editions of Windows Server 2003

For all supported 32-bit editions of Windows XP