About the security content of iOS 12.4.2

This document describes the security content of iOS 12.4.2.

About Apple security updates

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

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iOS 12.4.2

Released September 26, 2019

Foundation

Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch 6th generation

Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2019-8641: Samuel Groß and Natalie Silvanovich of Google Project Zero

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