About the security content of iOS 9.3.5

This document describes the security content of iOS 9.3.5.

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

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Apple security documents reference vulnerabilities by CVE-ID when possible.

iOS 9.3.5

Released August 25, 2016

Kernel

Available for: iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later

Impact: An application may be able to disclose kernel memory

Description: A validation issue was addressed through improved input sanitization.

CVE-2016-4655: Citizen Lab and Lookout

Kernel

Available for: iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue was addressed through improved memory handling.

CVE-2016-4656: Citizen Lab and Lookout

WebKit

Available for: iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later

Impact: Visiting a maliciously crafted website may lead to arbitrary code execution

Description: A memory corruption issue was addressed through improved memory handling.

CVE-2016-4657: Citizen Lab and Lookout

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