Microsoft Security Bulletin Minor Rev. - Oct. 18 '09

Issued: October 18, 2009

Summary

The following bulletin has undergone a minor revision increment.

* MS09-054 - Critical

Bulletin Information:

* MS09-054 - Critical

Microsoft Security Bulletin MS09-054 - Critical: Cumulative Security Update for Internet Explorer (974455)
- Reason for Revision: V1.1 (October 18, 2009): Revised the
Executive Summary and added FAQ entries for CVE-2009-2529 to
provide direction for Firefox users.
- Originally posted: October 13, 2009
- Updated: October 18, 2009
- Bulletin Severity Rating: Critical
- Version: 1.1

MS details:

This security update is rated Critical for all supported releases of Internet Explorer: Internet Explorer 5.01, Internet Explorer 6, Internet Explorer 6 Service Pack 1, Internet Explorer 7, and Internet Explorer 8.

The security update addresses these vulnerabilities by modifying the way that Internet Explorer processes data stream headers, validates arguments, and handles objects in memory.

The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually.