July Update: Safari 5.1 Browser for Windows XP, Vista or 7

Secunia Advisory  SA45325:  
Apple Safari Multiple Vulnerabilities

Release Date  2011-07-21 
Last Update  2011-07-28 

Criticality level  Highly critical

Solution
Update to version 5.1 or 5.0.6.

Full read: http://secunia.com/advisories/45325/

What's new in Safari 5.1:
July 20th, 2011

New features:
· Reading List: Easily add webpages and links to your Reading List to browse when you have time.
· New Process Architecture: Safari has been re-engineered for improved stability and responsiveness.
· Resume: In the General pane of Safari preferences, you can now choose to launch Safari with the windows from your last browsing session.
· Better Privacy: A new Privacy pane in Safari preferences makes it easy to remove data that websites can leave on your system.

Other improvements:
· Private AutoFill: Safari lets you fill out forms quickly while keeping your personal information private.
· Find Option: When you use Find, you can choose whether you want to search for text that contains or starts with the text that you type in the search field.
· Drag-and-drop Downloads: You can drag items out of the Downloads window in Safari, so you can easily place downloaded files on the Desktop.
· Advanced Web Technologies: Safari introduces support for full-screen webpages, media caching with the HTML5 application cache, MathML, Web Open Font Format, CSS3 Auto-hyphenation, CSS3 Vertical Text, CSS3 Text Emphasis, Window.onError, and Formatted XML files.
· New Extension APIs: Developers can take advantage of new Safari Extension support for popovers, menus, new event classes, and interaction with Reader.
 http://support.apple.com/kb/DL1070

Download Safari 5.1 here: http://www.apple.com/safari/

Current Users of  Safari & Apple iTunes can update via Apple Software Update

Comment: I am not a fan of Safari, but those who use it should keep it updated.