About the security content of Safari 18.1.1

This document describes the security content of Safari 18.1.1.

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 releases page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

Safari 18.1.1

JavaScriptCore

Available for: macOS Ventura and macOS Sonoma

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 on Intel-based Mac systems.

Description: The issue was addressed with improved checks.

CVE-2024-44308: Clément Lecigne and Benoît Sevens of Google's Threat Analysis Group

WebKit

Available for: macOS Ventura and macOS Sonoma

Impact: Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

Description: A cookie management issue was addressed with improved state management.

CVE-2024-44309: Clément Lecigne and Benoît Sevens of Google's Threat Analysis Group