Apple’s new macOS Huge Sur 11.5.1 replace fixes a harmful exploit

The icon representing the macOS Big Sur installer

Get the most recent Apple safety protections by updating your Mac pc to the brand new macOS Huge Sur 11.5.1 software program by way of the Software program Replace mechanism in System Preferences.


  • macOS Huge Sur 11.5.1 is accessible now for all appropriate Macs
  • It features a repair for a vulnerability in IOMobileFrameBuffer
  • Apple says the problem could have been exploited within the wild


Apple additionally launched iOS and iPadOS 14.7.1 alongside macOS Huge Sur 11.5.1, indicating the patched vulnerability might simply have an effect on iPhones and iPads as nicely fairly than simply Macs.

What safety points does macOS Huge Sur 11.5.1 repair?

A assist doc on the Apple web site supplies extra perception into the safety content material of the brand new macOS Huge Sur 11.5.1 software program. The bug-fix replace, Apple clarifies, patches a vulnerability permitting an app to execute arbitrary code with kernel privileges.

Apple can be conscious of a report that this situation could have been actively exploited.

The invention of the vulnerability is credited to an nameless researcher, one other clue that this can be a repair for a serious zero-day vulnerability fairly than simply one other fast bug repair. The doc says the reminiscence corruption situation was addressed with improved reminiscence dealing with.

It’s unclear whether or not this fixes the various safety points with Apple’s iMessage protocol, which has been blamed for being a serious assault vector for NSO’s Pegasus adware. From what’s identified thus far, Pegasus installs itself onto an unsuspecting gadget through a specifically encoded iMessage that will get delivered silently and requires no motion on the consumer’s half.

Learn how to set up the macOS Huge Sur 11.5.1 replace

You put in macOS Huge Sur 11.5.1 identical to you’ll every other trendy macOS replace.

Firstly, click on the Apple menu and select the choice labeled “System Preferences”. Within the System Preferences window, click on the icon Software program Replace. If an replace is discovered, you’ll see a message. To obtain and set up the replace, hit the choice “Replace Now” or “Improve Now”.

Comply with onscreen directions to complete putting in the replace.

For extra details about Apple’s safety updates, go to this devoted web page.

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