About the security content of Safari 18.3
This document describes the security content of Safari 18.3.
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.
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Safari 18.3
Released January 27, 2025
Passwords
Available for: macOS Ventura and macOS Sonoma
Impact: A malicious app may be able to bypass browser extension authentication
Description: A logging issue was addressed with improved data redaction.
CVE-2025-24169: Josh Parnham (@joshparnham)
Safari
Available for: macOS Ventura and macOS Sonoma
Impact: Visiting a malicious website may lead to user interface spoofing
Description: The issue was addressed with improved UI.
CVE-2025-24113: @RenwaX23
Safari
Available for: macOS Ventura and macOS Sonoma
Impact: Visiting a malicious website may lead to address bar spoofing
Description: The issue was addressed by adding additional logic.
CVE-2025-24128: @RenwaX23
WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: A maliciously crafted webpage may be able to fingerprint the user
Description: The issue was addressed with improved access restrictions to the file system.
WebKit Bugzilla: 283117
CVE-2025-24143: an anonymous researcher
WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: Processing web content may lead to a denial-of-service
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 283889
CVE-2025-24158: Q1IQ (@q1iqF) of NUS CuriOSity and P1umer (@p1umer) of Imperial Global Singapore
WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed through improved state management.
WebKit Bugzilla: 284159
CVE-2025-24162: linjy of HKUS3Lab and chluo of WHUSecLab
WebKit Web Inspector
Available for: macOS Ventura and macOS Sonoma
Impact: Copying a URL from Web Inspector may lead to command injection
Description: A privacy issue was addressed with improved handling of files.
WebKit Bugzilla: 283718
CVE-2025-24150: Johan Carlsson (joaxcar)
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