Today, Apple has released OS X Lion 10.7.4, the fourth maintenance update for OS X Lion. The update is available via Software Update and Apple’s download pages.
The 10.7.4 update is recommended for all OS X Lion users and includes general operating system fixes that improve the stability, compatibility, and security of your Mac including fixes that:
– Resolve an issue where the “Reopen windows when logging back in” setting is always enabled
– Improve compatibility with certain British third-party USB keyboards
– Address an issue that may prevent files from being saved to a server
– Improve the reliability of copying files to an SMB server
An issue existed in the handling of network account logins. The login process recorded sensitive information in the system log, where other users of the system could read it. The sensitive information may persist in saved logs after installation of this update. See http://support.apple.com/kb/TS4272 for more information about how to securely remove any remaining records. This issue only affects systems running OS X Lion v10.7.3 with users of Legacy File Vault and/or networked home directories.
The versions include:
In addition, Apple has also released a Security Update 2012-002 to bring security fixes to users running systems with Mac OS X Snow Leopard:
The company also has released a Safari 5.1.7 update containing several improvements including disabling out-of-date versions of Adobe Flash Player for security reasons.