Palm addresses the security concerns?
According to this story, it depends…
Palm may or may not be fixing your Treo, depending on the model.
Marlene Somsak, VP of Communications for Palm, Inc., emailed and called me concerning the recent Treo vulnerability and my concern over it not being fixed. She is as pleasant as they come. I really enjoyed talking to her, but I didn't like the answer she had to relay.
She told me that Palm will definitely be fixing the vulnerability in Cingular 680's and Sprint 700p in an upcoming "rev", but all other models will remain unfixed (until they can find a reliable solution, if ever).
Somsak relayed that the fixing the bug would require a software patch or ROM fix, both of which "would cause problems to many existing applications." She continued, "Palm has already done the revs they planned on the other models and hadn't planned to do more."