I haven't seen any mention of this in the forums, but I saw this article in CNET today. This is a bit concerning-especially knowing that it has been going on for quite some time. Apparently it has been patched in the latest beta, but this is still not good for Apple.
Apple says Mail app security flaw doesn't pose an 'immediate risk' to iPhones
The potential issues will be patched in an upcoming software update, Apple said.
www.cnet.com