iOS 4.2 Update Fixes Passcode Bypass Bug

The upcoming iOS 4.2 update, recently seeded to developers, fixes the recently-discovered keylock/passcode bypass bug. The bug allows any user with access to a locked iPhone to make phone calls, view/modify contacts, and send/view emails, by exploiting a simple bug on the “Emergency Call” screen.

Full details of security patches in this update will be announced upon release.

[Update] iOS 4.2.1 has been released.

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