A list of alternative browsers can be found here on the site.

Apple's Safari browser is vulnerable to an attack that allows a
malicious web site to read files on a user's hard drive without user
intervention. Ouch...

>>> http://brian.mastenbrook.net/display/27

or the referring page

>>> http://www.macintouch.com/index.shtml#sec.2009.01.12.safarirss

Seems for now the best fix is to change the default RSS reader
(whether you use RSS feeds or not...) Mail or perhaps Google for non/
casual RSS users - if you are a heavy RSS user you probably have a
dedicated feed reader anyway...