About the security content of watchOS 5.3.4

This document describes the security content of watchOS 5.3.4.

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watchOS 5.3.4

Released 10 December 2019


Available for: Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 and Apple Watch Series 4 when paired to a device with iOS 12 installed

Impact: Processing malicious video via FaceTime may lead to arbitrary code execution

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

CVE-2019-8830: natashenka of Google Project Zero

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