For the third time in 10 days, Apple has released a security update for OS X. Apple has this to say about Secuirty Update 2004-09-16 version 1.0:
Security Update 2004-09-16 delivers a number of security enhancements and is recommended for all Macintosh users. This update includes the following component:
There is also a link that points you to the Apple Security Update site, but, as of this writing, no more information about this particular update was available.
You can get the 1 MB Security Update 2004-09-16 version 1 either through the Software Update application is OS X, or from Appleis Download site.