About the security content of iOS 15.3.1 and iPadOS 15.3.1

This document describes the security content of iOS 15.3.1 and iPadOS 15.3.1.

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iOS 15.3.1 and iPadOS 15.3.1

Released February 10, 2022

WebKit

Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: A use after free issue was addressed with improved memory management.

CVE-2022-22620: an anonymous researcher

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