About the security content of watchOS 5.3.7
This document describes the security content of watchOS 5.3.7.
About Apple security updates
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.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
watchOS 5.3.7
Available for: Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3, and Apple Watch Series 4 when paired to an iPhone with iOS 12 installed
Impact: Processing a maliciously crafted mail message may lead to heap corruption
Description: A memory consumption issue was addressed with improved memory handling.
CVE-2020-9819: ZecOps.com
Wi-Fi
Available for: Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3, and Apple Watch Series 4 when paired to an iPhone with iOS 12 installed
Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
Description: A memory corruption issue was addressed with improved input validation.
CVE-2020-3843: Ian Beer of Google Project Zero
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