Apple has just updated iOS to 4.0.2 for the iPhone (and iPod touch) and iOS 3.2.2 for the iPad. The updates patch a security vulnerability that allowed Safari to run code embedded in PDF files.
If you want to stay jailbroken, don't accept this update!
Today is iOS security update day. Get your iOS 3.2.2 for iPad(or 4.0.2 updates) by plugging in your devices...direct links, below:
iPhone 3G (iPhone1,2) 4.0.2 (8A400)
iPhone 3GS (iPhone2,1) 4.0.2 (8A400)
iPod Touch (2G) (iPod2,1) 4.0 (8A293)
iPod Touch (3G) (iPod3,1) 4.0.2 (8A400)
iPad (iPad1,1) 3.2.2 (7B500)
iPhone 4 (iPhone3,1) 4.0.2 (8A400)