Apple on Monday released macOS Big Sur 11.2.3, an update to the Mac operating system. It contains security updates and is “recommended for all users.”
According to the press releases, there is only one patch in this update. It’s for WebKit, and the update stops a “memory corruption issue” that a malicious website could use to execute code without your knowledge. Apple also fixed a similar issue in iOS 14:
- Impact: Processing poorly designed web content may result in the execution of arbitrary code.
- Description: The issue of memory corruption was addressed with better proof.
- CVE-2021-1844: Clément Lecigne of Google Risk Analysis Group, Alison Huffman of Microsoft Vulnerability Research
How to update macOS Big Sur
Before updating your Mac, it’s a good idea to back up your data, just in case the update causes problems.
To install the update, you need an internet connection. Also, your Mac needs to be restarted to complete the installation. Here are the steps.
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Click on the Apple tab.
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Choose About this Mac.
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In the window that appears, go to Overview tab if it is not already open.
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Click on the Software Update button. This will open the software update system option.
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You can click on the Find out more link if you want to learn more about the update.
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When you are ready to install, click on the Update now button. The installation will take several minutes, depending on the speed of the internet connection.