About the security content of Safari 18.2

This document describes the security content of Safari 18.2.

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 18.2

Safari

Available for: macOS Ventura and macOS Sonoma

Impact: On a device with Private Relay enabled, adding a website to the Safari Reading List may reveal the originating IP address to the website

Description: The issue was addressed with improved routing of Safari-originated requests.

CVE-2024-44246: Jacob Braun

Safari Private Browsing

Available for: macOS Ventura and macOS Sonoma

Impact: Private Browsing tabs may be accessed without authentication

Description: An authentication issue was addressed with improved state management.

CVE-2024-54542: Rei (@reizydev), Kenneth Chew

WebKit

Available for: macOS Ventura and macOS Sonoma

Impact: Processing maliciously crafted web content may lead to an unexpected process crash

Description: The issue was addressed with improved checks.

CVE-2024-54479: Seunghyun Lee

CVE-2024-54502: Brendon Tiszka of Google Project Zero

WebKit

Available for: macOS Ventura and macOS Sonoma

Impact: Processing maliciously crafted web content may lead to an unexpected process crash

Description: The issue was addressed with improved memory handling.

CVE-2024-54508: linjy of HKUS3Lab and chluo of WHUSecLab, Xiangwei Zhang of Tencent Security YUNDING LAB

WebKit

Available for: macOS Ventura and macOS Sonoma

Impact: Processing maliciously crafted web content may lead to memory corruption

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

CVE-2024-54505: Gary Kwong

WebKit

Available for: macOS Ventura and macOS Sonoma

Impact: Processing maliciously crafted web content may lead to memory corruption

Description: The issue was addressed with improved memory handling.

CVE-2024-54534: Tashita Software Security

CVE-2024-54543: Lukas Bernhard, Gary Kwong, and an anonymous researcher

Additional recognition

Safari

We would like to acknowledge Jaydev Ahire for their assistance.

WebKit

We would like to acknowledge Hafiizh for their assistance.