well i did a quick search on AO and didn't find anything on this topic so here it is --

The gm4 utility of Mac OS X contains a buffer overflow , which may allow a root compromise through other programs an attacker may get a root access(just another vulnerability for hackers to work on) on MAC OS and most importantly no patches have been released yet.for more information here is the link --
http://www.kb.cert.org/vuls/id/147587
if the link doesn't work plz cut and paste in URL.
if u find any othere info please post.