Safari 5.0.2 Software Update:

This update contains improvements to compatibility and security, including the following:

• Fixes an issue that could prevent users from submitting web forms
• Fixes an issue that could cause web content to display incorrectly when viewing a Google Image result with Flash 10.1 installed
• Establishes an encrypted, authenticated connection to the Safari Extensions Gallery

For detailed information on the security content of this update, please visit this site:http://support.apple.com/kb/HT1222