Apple has just released an update for the Lion OS X 10.7.4
According to the release notes 10.7.4 includes fixes that improve the stability, compatibility, and security of your Mac.
This addresses the nasty bug that exposed FileVault passwords in plain text.
Here’s the list of fixes from the release notes:
Resolve an issue in which the “Reopen windows when logging back in” setting is always enabled.
Improve compatibility with certain British third-party USB keyboards.
Addresses permission issues that may be caused if you use the Get Info inspector function “Apply to enclosed items…” on your home directory. For more information, see this article.
Improve Internet sharing of PPPoE connections.
Improve using a proxy auto-configuration (PAC) file.
Address an issue that may prevent files from being saved to an SMB server.
Improve printing to an SMB print queue.
Improve performance when connecting to a WebDAV server.
Enable automatic login for NIS accounts.
Include RAW image compatibility for additional digital cameras.
Improve the reliability of binding and logging into Active Directory accounts.
The OS X Lion v10.7.4 Update includes Safari 5.1.6, which contains stability improvements. Apple Releases Security Update for OSX Lion - Lipani Technologies BlogIT Security and Network Services