About the security content of Safari 16.4.1

This document describes the security content of Safari 16.4.1.

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Safari 16.4.1

Released April 7, 2023

WebKit

Available for: macOS Big Sur and macOS Monterey

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.

WebKit Bugzilla: 254797

CVE-2023-28205: Clément Lecigne of Google’s Threat Analysis Group and Donncha Ó Cearbhaill of Amnesty International’s Security Lab

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Published Date: October 31, 2023