Gandalf_The_Grey
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macOS Big Sur 11.5.1
macOS Big Sur 11.5.1 provides important security updates and is recommended for all users.
What's new in the updates for macOS Big Sur - Apple Support
macOS Big Sur updates improve the stability, performance, or compatibility of your Mac and are recommended for all macOS Big Sur users.
support.apple.com
macOS Big Sur 11.5.1
Released July 26, 2021
IOMobileFrameBuffer
Available for: macOS Big Sur
Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2021-30807: an anonymous researcher
About the security content of macOS Big Sur 11.5.1 - Apple Support
This document describes the security content of macOS Big Sur 11.5.1.
support.apple.com