Released September 26, 2023
Safari
Available for: macOS Monterey and macOS Ventura
Impact: Visiting a website that frames malicious content may lead to UI spoofing
Description: A window management issue was addressed with improved state management.
CVE-2023-40417: Narendra Bhati From Suma Soft Pvt. Ltd, Pune (India)
WebKit
Available for: macOS Monterey and macOS Ventura
Impact: An attacker with JavaScript execution may be able to execute arbitrary code
Description: This issue was addressed with improved iframe sandbox enforcement.
WebKit Bugzilla: 251276
CVE-2023-40451: 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 checks.
WebKit Bugzilla: 256551
CVE-2023-41074: 이준성(Junsung Lee) of Cross Republic and me Li
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: 239758
CVE-2023-35074: Abysslab Dong Jun Kim(@smlijun) and Jong Seong Kim(@nevul37)
WebKit
Available for: macOS Ventura
Impact: Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 261544
CVE-2023-41993: Bill Marczak of The Citizen Lab at The University of Toronto's Munk School and Maddie Stone of Google's Threat Analysis Group
Additional recognition
WebKit
We would like to acknowledge Khiem Tran and Narendra Bhati From Suma Soft Pvt. Ltd, Pune (India) for their assistance.
WebRTC
We would like to acknowledge an anonymous researcher for their assistance.
support.apple.com
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