Apple released iOS v4.3.4 to fix the PDF security hole that allowed a hacker to send a PDF file and upon opening it the hacker had access to the system and could potentially put harmful code there.
This update applies to:
GSM iPhone 4, 3GS
iPad 2, iPad
iPod Touch 3rd / 4th Generation
CDMA iPhone 4 has iOS 4.2.9 update available.
The PDF exploit became known last week, after hackers utilized it to offer a browser-based “jailbreak” of iOS devices. “Jailbreak” is the term used to describe exploiting flaws in iOS code to allow users to run software that is not approved by Apple.
So plug in your iOS device to your iTunes machine and get the update…