Apple Already Preparing to Fix the IOS 4.3.4 PDF Exploit

What was expected ... After the start of the new Jailbreak for iPhone 4.3.3 2 and IOS with which we can jailbreak iphone 2 via a simple PDF exploit. Apple has decided to close the exploit in a version is already preparing urgent IOS 4.3.4

See what happens with the new IOS 5. Jailbreak we have ios 5 in our iDevice? Do you think?