About the security content of Safari 15.3

This document describes the security content of Safari 15.3.

About Apple security updates

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

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Safari 15.3

Released January 26, 2022

WebKit

Available for: macOS Big Sur and macOS Catalina

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

Description: A use after free issue was addressed with improved memory management.

CVE-2022-22590: Toan Pham from Team Orca of Sea Security (security.sea.com)

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced

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

CVE-2022-22592: Prakash (@1lastBr3ath)

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing a maliciously crafted mail message may lead to running arbitrary javascript

Description: A validation issue was addressed with improved input sanitization.

CVE-2022-22589: Heige of KnownSec 404 Team (knownsec.com) and Bo Qu of Palo Alto Networks (paloaltonetworks.com)

WebKit Storage

Available for: macOS Big Sur and macOS Catalina

Impact: A website may be able to track sensitive user information

Description: A cross-origin issue in the IndexDB API was addressed with improved input validation.

CVE-2022-22594: Martin Bajanik of FingerprintJS

Additional recognition

WebKit

We would like to acknowledge Prakash (@1lastBr3ath) for their assistance.

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