APPLE-SA-2023-06-21-4 macOS Ventura 13.4.1

macOS Ventura 13.4.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213813.

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

Kernel
Available for: macOS Ventura
Impact: An app may be able to execute arbitrary code with kernel
privileges. Apple is aware of a report that this issue may have been
actively exploited against versions of iOS released before iOS 15.7.
Description: An integer overflow was addressed with improved input
validation.
CVE-2023-32434: Georgy Kucherin (@kucher1n), Leonid Bezvershenko
(@bzvr_), and Boris Larin (@oct0xor) of Kaspersky

WebKit
Available for: 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
actively exploited.
Description: A type confusion issue was addressed with improved checks.
WebKit Bugzilla: 256567
CVE-2023-32439: an anonymous researcher

macOS Ventura 13.4.1 may be obtained from the Mac App Store or
Apple’s Software Downloads web site:
https://support.apple.com/downloads/
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.