Apple has released Security Update 2012-004 for both Mac OS X 10.6.8 Snow Leopard and 10.6.8 Snow Leopard Server, both of which address the same issues. Among the list of fixes, the releases update Apache 2.2.22 to prevent a vulnerability that could lead to denial of service, add a revoked TrustWave root certificate to a list of untrusted certificates, and update the DirectoryService Proxy to prevent an arbitrary execution of code due to an overflow buffer vulnerability. There’s no reason to update instantly; we recommend waiting a week or so and seeing if online reports note any distressing side effects. Note that Apple incorrectly lists the file size of the 10.6.8 Snow Leopard Security Update as 2.36 MB — it is actually 257 MB. (Free, 257/276 MB)
Sleep (and Lock) Your Screen
When you are walking away from your computer, it's fairly common practice to start your screen saver and lock your screen. But did you know that there is a built-in keyboard shortcut in Mac OS X to sleep the screen?
Press Control-Shift-Eject and your monitor sleeps without engaging the screen saver.
- SpamSieve 2.9.5 (21 Sep 12)
Security Update 2012-004 (Snow Leopard)
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Spam Sieve (love 'em to death) whipped out a beta fix.
No fix for Letterbox, which was only updated for 10.6.7 anyway.
BUT see Apple discussion for other fixes:
UPDATE: Spam Sieve also posted it's own comments about restoring the mail plugin:
Does Apple even care?