About the security content of iOS 12.5.7

This document describes the security content of iOS 12.5.7.

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iOS 12.5.7

Released January 23, 2023

WebKit

Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th 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 against versions of iOS released before iOS 15.1.

Description: A type confusion issue was addressed with improved state handling.

WebKit Bugzilla: 248266

CVE-2022-42856: Clément Lecigne of Google's Threat Analysis Group

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