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APPLE-SA-01-22-2024-1 Safari 17.3

Safari 17.3 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT214056.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Safari
Available for: macOS Monterey and macOS Ventura
Impact: A user's private browsing activity may be visible in Settings
Description: A privacy issue was addressed with improved handling of
user preferences.
CVE-2024-23211: Mark Bowers

WebKit
Available for: macOS Monterey and macOS Ventura
Impact: A maliciously crafted webpage may be able to fingerprint the
user
Description: An access issue was addressed with improved access
restrictions.
WebKit Bugzilla: 262699
CVE-2024-23206: an anonymous researcher

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: 266619
CVE-2024-23213: Wangtaiyu of Zhongfu info

WebKit
Available for: macOS Monterey and macOS Ventura
Impact: Processing maliciously crafted web content may lead to arbitrary
code execution. Apple is aware of a report that this issue may have been
exploited.
Description: A type confusion issue was addressed with improved checks.
WebKit Bugzilla: 267134
CVE-2024-23222

Safari 17.3 may be obtained from the Mac App Store.
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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