About the security content of Safari 16.6.1

This document describes the security content of Safari 16.6.1.

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Safari 16.6.1

Released September 21, 2023

WebKit

Available for: macOS Big Sur and Monterey

Impact: Processing 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 before iOS 16.7.

Description: The issue was addressed with improved checks.

CVE-2023-41993: Bill Marczak of The Citizen Lab at The University of Toronto's Munk School and Maddie Stone of Google's Threat Analysis Group