Apple has released Security Update 2013-003 for OS X 10.8 Mountain Lion (20.4 MB) as well as for 10.7 Lion and 10.6 Snow Leopard, both of which receive two versions: Lion (61 MB) and Lion Server (111.3 MB), plus Snow Leopard (349.5 MB) and Snow Leopard Server (424.5 MB). All versions of this security update close vulnerabilities with buffer overflows within QuickTime that could lead to “unexpected application termination or arbitrary code execution.” In particular, the updates deal with buffer overflows in Sorenson and H.264 encoded movie files, plus the handling of “mvhd” movie header atoms. (Free)
Two Shortcuts for App Exposé
If you want to see all the windows for a particular app via App Exposé, there are two hidden shortcuts. For either, start by pressing Command-Tab to bring up the app switcher. Then, while still holding down the Command key, press either the 1 key or the up arrow. That puts you into App Expose mode, with all of an app's windows showing, and recent documents in a row across the bottom of the screen. Let up on the Command key, and then you can press Tab to cycle through all the running apps.
Security Update 2013-003 for Mountain Lion, Lion, and Snow Leopard
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Anyone else having this issue?