About the security content of Safari 14.0.3

This document describes the security content of Safari 14.0.3.

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Safari 14.0.3*

Released March 8, 2021

WebKit

Available for: macOS Catalina and macOS Mojave

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

Description: A memory corruption issue was addressed with improved validation.

CVE-2021-1844: Clément Lecigne of Google’s Threat Analysis Group, Alison Huffman of Microsoft Browser Vulnerability Research

* After installing this update, the build number for Safari 14.0.3 is 14610.4.3.1.7 on macOS Mojave and 15610.4.3.1.7 on macOS Catalina.

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Published Date: March 08, 2021