Apple has released iOS 4.3.4 to block the exploit used by comex to jailbreak devices on iOS 4.3.3.
iOS 4.3.4 Software Update
Fixes security vulnerability associated with viewing malicious PDF files.
Products compatible with this software update:
• iPhone 4 (GSM model)
• iPhone 3GS
• iPad 2
• iPad
• iPod touch (4th generation)
• iPod touch (3rd generation)
For information on the security content of this update, please visit this website:
http://support.apple.com/kb/HT1222
*NOTE: iOS 4.2.9 is also out for Verizon iPhone 4s.
