About the security content of Safari 14.1

This document describes the security content of Safari 14.1.

About Apple security updates

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Safari 14.1

Released on 26 April 2021

WebKit

Available for: macOS Catalina and macOS Mojave

Impact: Processing maliciously crafted web content may lead to a cross-site scripting attack

Description: An input validation issue was addressed with improved input validation.

CVE-2021-1825: Alex Camboe of Aon’s Cyber Solutions

WebKit Storage

Available for: macOS Catalina and macOS Mojave

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 use after free issue was addressed with improved memory management.

CVE-2021-30661: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA

Entry added on 4 May 2021

WebRTC

Available for: macOS Catalina and macOS Mojave

Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory

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

CVE-2020-7463: Megan2013678

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