About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

In addition to various minor bug fixes, Apple's 11.2.2 update to macOS Big Sur addresses an issue where newer MacBook Pro and MacBook Air models could be damaged by dodgy third-party USB-C accessories. MacOS Big Sur has a new look, which Apple says is its biggest design update to its desktop operating system since OS X debuted back in 2001. It’s fast, nice to look at, and full of useful. I have the 13' MBPR (Early 2015, 2.9 GHz i5) of my 78 year old father here, which is kind of dead after he – if he recalls correctly – performed an update from Big Sur 11.x to Big Sur 11.y (he grabs every update he gets offered, so unfortunately he doesn't pay much attention to the details). This document describes the security content of macOS Big Sur 11.2.3. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update*, macOS Mojave 10.14.6 Security Update 2021-002

Released February 9, 2021

Intel Graphics Driver

Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: An out-of-bounds write was addressed with improved input validation.

CVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day Initiative

Intel Graphics Driver

Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A race condition was addressed with additional validation.

CVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day Initiative

Sudo

Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS Mojave 10.14.6

Impact: A local attacker may be able to elevate their privileges

Big Sur Apple Update Review

Description: This issue was addressed by updating to sudo version 1.9.5p2.

CVE-2021-3156: Qualys

* After installing this update, the build number for macOS Catalina 10.15.7 is 19H524.

After 3 RC builds being released over the previous weeks, Apple has officially released macOS Big Sur 11.2 for all users today. The release includes some important fixes for Bluetooth, external display, iCloud issues, and more.

macOS Big Sur 11.2 is rolling out now and should appear in System Preferences > Software Update. Keep checking back if you don’t see the update right away.

Users have been eager to see this update land as some notable issues with Bluetooth, external displays, iCloud, and the new ProRAW photos have been affecting many users.

Big Sur Apple Update Icloud

The 11.2 Big Sur public release is build 20D64, the same as RC3 that we saw for beta testers last week. It weighs in at up to 3.66 GB.

Apple Ios Big Sur Update

macOS Big Sur 11.2 improves Bluetooth reliability and fixes the following issues:

• External displays may show a black screen when connected to a Mac mini (M1, 2020) using an HDMI to DVI converter
• Edits to Apple ProRAW photos in the Photos app may not save
• iCloud Drive could turn off after disabling the iCloud Drive Desktop & Documents Folders option
• System Preferences may not unlock when entering your administrator password
• Globe key may not display the Emoji & Symbols pane when pressed

Big Sur Apple Updates

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