SO WHAT?
You are statistically more likely to get run
over by a bus. Is that any reason not to keep
an eye (or in this case, an ear) out for a bus
that could "hit" you?!
RC5 is for Ubergeeks, not the masses, and
the long odds do not make the potential pay
off of SETI@Home any less exciting. Where
is your sense of adventure?
More on topic, this security vulnerability must
not exist for the Mac client as they have not
updated it for ages (still at ver. 3.03).