Apple Releases OS X Lion 10.7.4 With FileVault Security Fix

OS X Lion is reaching the end of the line with the upcoming launch of OS X Mountain Lion, but there’s still some maintenance to be done. Today, Apple released OX 10.7.4 which fixes a a security hole related to FileVault. The problem is that the system wide debug file from FileVault that contains all user passwords was turned into plain text in 10.7.3. This only affects the legacy File Vault, and File Vault 2 decryption remains unaffected.

The update includes a few other tweaks, and might end up being the last update to Lion with Mountain Lion expected this summer. The full update details are below with Apple providing specific details about the security update.

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

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