About the security content of Safari 26.1
This document describes the security content of Safari 26.1.
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 26.1
Released November 3, 2025
Safari
Available for: macOS Sonoma and macOS Sequoia
Impact: Visiting a malicious website may lead to address bar spoofing
Description: The issue was addressed with improved checks.
CVE-2025-43493: @RenwaX23
Safari
Available for: macOS Sonoma and macOS Sequoia
Impact: Visiting a malicious website may lead to user interface spoofing
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2025-43503: @RenwaX23
Safari
Available for: macOS Sonoma and macOS Sequoia
Impact: An app may be able to bypass certain Privacy preferences
Description: A privacy issue was addressed by removing sensitive data.
CVE-2025-43502: an anonymous researcher
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: A malicious website may exfiltrate data cross-origin
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 276208
CVE-2025-43480: Aleksejs Popovs
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed through improved state management.
WebKit Bugzilla: 296693
CVE-2025-43458: Phil Beauvoir
WebKit Bugzilla: 298196
CVE-2025-43430: Google Big Sleep
WebKit Bugzilla: 298628
CVE-2025-43427: Gary Kwong, rheza (@ginggilBesel)
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed with improved checks.
WebKit Bugzilla: 299843
CVE-2025-43443: an anonymous researcher
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 298496
CVE-2025-43441: rheza (@ginggilBesel)
WebKit Bugzilla: 299391
CVE-2025-43435: Justin Cohen of Google
WebKit Bugzilla: 298851
CVE-2025-43425: an anonymous researcher
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed with improved checks
WebKit Bugzilla: 298126
CVE-2025-43440: Nan Wang (@eternalsakura13)
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 297662
CVE-2025-43438: shandikri working with Trend Micro Zero Day Initiative
WebKit Bugzilla: 298606
CVE-2025-43457: Gary Kwong, Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative
WebKit Bugzilla: 297958
CVE-2025-43434: Google Big Sleep
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 298093
CVE-2025-43433: Google Big Sleep
WebKit Bugzilla: 298194
CVE-2025-43431: Google Big Sleep
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 299313
CVE-2025-43432: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A buffer overflow was addressed with improved bounds checking.
WebKit Bugzilla: 298232
CVE-2025-43429: Google Big Sleep
WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: Multiple issues were addressed by disabling array allocation sinking.
WebKit Bugzilla: 300718
CVE-2025-43421: Nan Wang (@eternalsakura13)
WebKit Canvas
Available for: macOS Sonoma and macOS Sequoia
Impact: A website may exfiltrate image data cross-origin
Description: The issue was addressed with improved handling of caches.
WebKit Bugzilla: 297566
CVE-2025-43392: Tom Van Goethem
Additional recognition
Safari
We would like to acknowledge Barath Stalin K for their assistance.
Safari Downloads
We would like to acknowledge Saello Puza for their assistance.
WebKit
We would like to acknowledge Enis Maholli (enismaholli.com), Google Big Sleep for their assistance.
Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.