About the security content of Safari 16

This document describes the security content of Safari 16.

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

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Safari 16

Released September 12, 2022

Safari Extensions

Available for: macOS Big Sur and macOS Monterey

Impact: A website may be able to track users through Safari web extensions

Description: A logic issue was addressed with improved state management.

WebKit Bugzilla: 242278

CVE-2022-32868: Michael

WebKit

Available for: macOS Big Sur and macOS Monterey

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A buffer overflow issue was addressed with improved memory handling.

WebKit Bugzilla: 241969

CVE-2022-32886: P1umer, afang5472, xmzyshypnc

WebKit

Available for: macOS Big Sur and macOS Monterey

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: An out-of-bounds read was addressed with improved bounds checking.

WebKit Bugzilla: 242762

CVE-2022-32912: Jeonghoon Shin (@singi21a) at Theori working with Trend Micro Zero Day Initiative

WebKit

Available for: macOS Big Sur and macOS Monterey

Impact: Visiting a website that frames malicious content may lead to UI spoofing

Description: The issue was addressed with improved UI handling.

WebKit Bugzilla: 243236

CVE-2022-32891: @real_as3617 and an anonymous researcher

Entry updated October 27, 2022

WebKit Sandboxing

Available for: macOS Big Sur and macOS Monterey

Impact: A sandboxed process may be able to circumvent sandbox restrictions

Description: An access issue was addressed with improvements to the sandbox.

WebKit Bugzilla: 243181

CVE-2022-32892: @18楼梦想改造家 and @jq0904 of DBAppSecurity's WeBin lab

Entry added October 27, 2022

WebKit Storage

Available for: macOS Big Sur and macOS Monterey

Impact: An app may be able to bypass Privacy preferences

Description: The issue was addressed with improved handling of caches.

CVE-2022-32833: Csaba Fitzl (@theevilbit) of Offensive Security, Jeff Johnson

Entry added December 22, 2022

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