Posted by Greg Mills

Apple has posted an update to the iOS to defeat the recently disclosed PDF vulnerability. The update is 4.3.4 and can be downloaded through hooking up the iPhone, iPad or iPod touch to a computer running iTunes, clicking on the device found in the left grey column and then clicking update.

The update has an information page found at The systems to be updated are: iOS 3.0 through 4.3.3 for iPhone 3GS and iPhone 4 (GSM), iOS 3.1 through 4.3.3 for iPod touch (3rd generation) and later, iOS 3.2 through 4.3.3 for iPad.

The security update is recomended for all users of the above devices. The exploit requires a PDF with malware in its code to be opened by the user. As is typical of most malware that affects Apple products, the user opens or downloads files from dubious sources.