Security patch released for macOS Catalina


Apple has released the 2021-006 macOS Catalina update, which includes security patches and performance improvement.


Apple continues to release updates to the macOS Catalina version that it offered to users in 2019. The company released the 2021-006 macOS Catalina update, which includes some important security patches, to users.

Introducing macOS Monterey and iOS 15 operating systems this year, Apple has released a security update for the old operating system macOS Catalina and iOS 12.5.

2021-006 macOS Catalina update released

Being one step ahead of its competitors in software support, Apple continues to support its old devices with the operating system updates it offers to users.

Apple has released security patches for iPad Air, iPad mini 2 and iPad mini 3, 6th generation iPod touch, iPhone 5s, iPhone 6 and iPhone 6 Plus, for which iOS 13 does not update. In addition, the company, which also released an update to the macOS Catalina operating system, fixed important errors in the operating systems.

To update your device,

  • From the Apple menu, click the System Preferences tab.
  • Click on the Software Update button on the screen that appears.
  • You can start the update by clicking the 2021-006 Catalina Security Update tab.
  • You must restart your device for the update to take effect.

The bugs and vulnerabilities covered by the update are as follows:

  • CVE-2021-30869: The vulnerability discovered by the Google Project Zero team allows malware to directly interfere with the operating system. With the released update, the kernel-level intervention of the software in the operating system was prevented.
  • Performance improvements have been made for devices using macOS Catalina.


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