There is a security update, I just noticed it.
Security Update 2004-12-02 delivers a number of security enhancements and is recommended for all Macintosh users. This update includes the following components:
Apache AppKit HIToolbox Kerberos Postfix PSNormalizer Safari Terminal
Not related. Read the description on Apple's site; this fixes some unrelated issues.
OS X does **NOT** run a BSD kernel (it uses its own Darwin kernel), so it's not affected by this issue.
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