For those that are regular users, or just happen to have FF installed there has been the Release of 3.5.3

This update off course fixed a few issues and a few security related issues
Fixed in Firefox 3.5.3

MFSA 2009-51 Chrome privilege escalation with FeedWriter
MFSA 2009-50 Location bar spoofing via tall line-height Unicode characters
MFSA 2009-49 TreeColumns dangling pointer vulnerability
MFSA 2009-47 Crashes with evidence of memory corruption (rv: