About the security content of iOS 7.1.2. Available for: iPhone 4 and later, iPod touch (5th generation) and later, iPad 2 and later
Certificate Trust Policy
Update to the certificate trust policy
CoreGraphics
Viewing a maliciously crafted XBM file may lead to an unexpected application termination or arbitrary code execution. An unbounded stack allocation issue existed in the handling of XBM files. This issue was addressed through improved bounds checking.
Kernel
An application could cause the device to unexpectedly restart. A null pointer dereference existed in the handling of IOKit API arguments. This issue was addressed through additional validation of IOKit API arguments.
Lock Screen
An attacker in possession of a device may exceed the maximum number of failed passcode attempts. In some circumstances, the failed passcode attempt limit was not enforced. This issue was addressed through additional enforcement of this limit.
iPhone4,1_7.1.2_11D257_Restore.ipsw
Certificate Trust Policy
Update to the certificate trust policy
CoreGraphics
Viewing a maliciously crafted XBM file may lead to an unexpected application termination or arbitrary code execution. An unbounded stack allocation issue existed in the handling of XBM files. This issue was addressed through improved bounds checking.
Kernel
An application could cause the device to unexpectedly restart. A null pointer dereference existed in the handling of IOKit API arguments. This issue was addressed through additional validation of IOKit API arguments.
Lock Screen
An attacker in possession of a device may exceed the maximum number of failed passcode attempts. In some circumstances, the failed passcode attempt limit was not enforced. This issue was addressed through additional enforcement of this limit.
iPhone4,1_7.1.2_11D257_Restore.ipsw
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