After successful version of iOS 4.0.1 with less bugs fixed Apple is very pleased to launch the new update of the new OS that is 4.0.2.
The mainly features of iOS 4.0.2 doesn't reflects the main bugs despite you might have seen errors in loading PDF Documents so it will be include Viewing a PDF document with maliciously crafted embedded fonts may allow arbitrary code execution. This issue is addressed through improved bounds checking.
However the second thing was IOSurface Fixed in iOS 4.0.2 which will remove this bugs An integer overflow exists in the handling of IOSurface properties, which may allow malicious code running as the user to gain system privileges. This issue is addressed through improved bounds checking.
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