About the security content of macOS Big Sur 11.2.3

This document describes the security content of macOS Big Sur 11.2.3.

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macOS Big Sur 11.2.3

Released March 8, 2021

WebKit

Available for: macOS Big Sur

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

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Published Date: October 31, 2023