Only ten days after releasing iOS 4.3.4, Apple has just pushed out iOS 4.3.5 to address a security issue with certificate validation.iOS 4.3.5 Software Update



From MacRumors:

Fixes a security vulnerability with certificate validation.The new version checks in as Build 8L1, and is for the GSM iPhone 4, iPhone 3GS, all iPads, and the third- and-fourth-generation iPod touch. A separate iOS 4.2.10 (Build 8E600) is available for the CDMA iPhone.

  Apple Releases iOS 4.3.5 to Address Security Issue With Certificate Validation