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 17.5
Released May 13, 2024
Safari
Available for: macOS Monterey and macOS Ventura
Impact: A website's permission dialog may persist after navigation away from the site
Description: The issue was addressed with improved checks.
CVE-2024-27844: Narendra Bhati of Suma Soft Pvt. Ltd in Pune (India), Shaheen Fazim
Entry added June 10, 2024
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 272750
CVE-2024-27834: Manfred Paul (@_manfp) working with Trend Micro's Zero Day Initiative
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: A maliciously crafted webpage may be able to fingerprint the user
Description: The issue was addressed by adding additional logic.
WebKit Bugzilla: 262337
CVE-2024-27838: Emilio Cobos of Mozilla
Entry added June 10, 2024
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 268221
CVE-2024-27808: Lukas Bernhard of CISPA Helmholtz Center for Information Security
Entry added June 10, 2024
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: A maliciously crafted webpage may be able to fingerprint the user
Description: This issue was addressed with improvements to the noise injection algorithm.
WebKit Bugzilla: 270767
CVE-2024-27850: an anonymous researcher
Entry added June 10, 2024
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: An integer overflow was addressed with improved input validation.
WebKit Bugzilla: 271491
CVE-2024-27833: Manfred Paul (@_manfp) working with Trend Micro Zero Day Initiative
Entry added June 10, 2024
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: The issue was addressed with improved bounds checks.
WebKit Bugzilla: 272106
CVE-2024-27851: Nan Wang (@eternalsakura13) of 360 Vulnerability Research Institute
Entry added June 10, 2024
WebKit Canvas
Available for: macOS Monterey and macOS Ventura
Impact: A maliciously crafted webpage may be able to fingerprint the user
Description: This issue was addressed through improved state management.
WebKit Bugzilla: 271159
CVE-2024-27830: Joe Rutkowski (@Joe12387) of Crawless and @abrahamjuliot
Entry added June 10, 2024
WebKit Web Inspector
Available for: macOS Monterey and macOS Ventura
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 270139
CVE-2024-27820: Jeff Johnson of underpassapp.com
Entry added June 10, 2024
Additional recognition
Safari Downloads
We would like to acknowledge Arsenii Kostromin (0x3c3e) for their assistance.