macOS Big Sur 11.2.3 update is now available with WebKit fix

Apple on Monday released macOS Big Sur 11.2.3, an update to the Mac operating system. It contains security updates and is “recommend for all users.”According to the release notes, there’s only one patch in this update. It’s for WebKit, and the update stops a “memory corruption issue” that could be exploited by a malicious website to execute code without your knowing it. Apple fixed a similar issue in iOS 14 as well:
Impact: Processing maliciously crafted web