Mac OS X 10.6.7 and Security Update 2011-001.

Mac OS X 10.6.7 and Security Update 2011-001
Available through Apple Software Update and Apple Support Downloads site.

About the Mac OS X v10.6.7 Update
Lots of bug fixes.

Security Update 2011-001 is available for Mac OS X Leopard Client and Server.

Also:

For Mac OS X 10.6.7 for MacBook Pro Early 2011, please visit: http://support.apple.com/kb/DL1368.

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