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Apple macOS Big Sur 11.3.1 Patches Security Exploits, Recommended for All Users

It seems like Apple developers have been working tirelessly the last couple of weeks, coming out with one update after another. The latest in line is the macOS Big Sur 11.3.1 update.

The company recently released the iOS 14.5.1 update that fixed the App Tracking Transparency toggle for some users. It was greyed out for some users after they updated their devices last month to iOS 14.5.

According to the Cupertino-based company, the Big Sur 11.3.1 update fixes security exploits that could be used to remotely run malicious code on the machine. Moreover, the company recommends all users update their devices to Big Sur 11.3.1 as soon as possible to patch these zero-day exploits that have been lurking around for quite a while now. The update contains no notable improvements to the user interface and does not introduce any additional features.

Apple macOS Big Sur 11.3.1 patches security exploits, recommended for all users

The update fixes two zero day security exploits that could be used to take remotely control a device. Here is the official changelog from Apple website:

WebKit

Available for: macOS Big Sur

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: A memory corruption issue was addressed with improved state management.

CVE-2021-30665: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA

WebKit

Available for: macOS Big Sur

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: An integer overflow was addressed with improved input validation.

CVE-2021-30663: an anonymous researcher

The update is currently rolled out as an over-the-air update for all users. Apple strongly advises users to immediately update their devices since security exploits can have some serious consequences if not fixed.

Anurag Chawake

Hi, I am Anurag Chawake, a passionate writer from New Delhi, India. I enjoy writing on topics such as general news, technology, and gaming. When I am not working, you can find me playing video games.

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