About the security content of Safari 18
This document describes the security content of Safari 18.
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
Released September 16, 2024
Safari
Available for: macOS Ventura and macOS Sonoma
Impact: Maliciously crafted web content may violate iframe sandboxing policy
Description: A custom URL scheme handling issue was addressed with improved input validation.
CVE-2024-44155: Narendra Bhati, Manager of Cyber Security at Suma Soft Pvt. Ltd, Pune (India)
Entry added October 28, 2024
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-2024-44202: Kenneth Chew
Entry added October 28, 2024
WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: Visiting a malicious website may lead to address bar spoofing
Description: The issue was addressed with improved UI.
WebKit Bugzilla: 279451
CVE-2024-40866: Hafiizh and YoKo Kho (@yokoacc) of HakTrak
WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: A malicious website may exfiltrate data cross-origin
Description: A cross-origin issue existed with "iframe" elements. This was addressed with improved tracking of security origins.
WebKit Bugzilla: 279452
CVE-2024-44187: Narendra Bhati, Manager of Cyber Security at Suma Soft Pvt. Ltd, Pune (India)
WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: This issue was addressed through improved state management.
WebKit Bugzilla: 268724
CVE-2024-40857: Ron Masas
Additional recognition
Safari
We would like to acknowledge Hafiizh and YoKo Kho (@yokoacc) of HakTrak for their assistance.
WebKit
We would like to acknowledge Eli Grey (eligrey.com) for their assistance.
Entry added October 28, 2024
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