About the security content of Safari 17.5

This document describes the security content of Safari 17.5.

About Apple security updates

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Apple security documents reference vulnerabilities by CVE-ID when possible.

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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.

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