# About the security content of iOS 12.5.7\[2023-01/1]

## About the security content of iOS 12.5.7 <a href="#howto-title" id="howto-title"></a>

This document describes the security content of iOS 12.5.7.

### 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](https://support.apple.com/kb/HT201222) page.

Apple security documents reference vulnerabilities by [CVE-ID](http://cve.mitre.org/about/) when possible.

For more information about security, see the [Apple Product Security](https://support.apple.com/kb/HT201220) page.

## 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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