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The latest release of MacOS Catalina has not addressed a bug in Apple’s Mail application.It’s a bug that reaches back to 2016 and the launch MacOS 10.12 Sierra, and it is continuing to cause. Use the form below to send us your comments. We read all feedback carefully, but we are unable to respond to each submission individually. If you provide your email address, you agree that we may contact you to better understand the comments you submitted. We have reported on many macOS Big Sur bugs and issues that have been affecting many users who have installed Apple’s latest OS for Macs. Some of these include the printing, battery draining and overheating, and Apple Watch unlocking issues. Mac users urged to update OS to fix 'massively bad' bug UnitingCare Queensland hit by cyber attack Telstra, Optus, TPG drop $650m on ultra-fast 5G spectrum at auction. MacOS 11 Big Sur introduced a lot of improvements to the Mac’s operating system, prompting the majority of Mac users to upgrade immediately as soon as it was released. But like all other new macOS versions, Big Sur comes with its own set of bugs and performance troubles.
Apple today released macOS Big Sur 11.2.1 to the public, alongside supplemental updates for macOS Catalina 10.15.7 and macOS Mojave 10.14.6. In addition to a fix for MacBook Pro charging issues, the update also brings a notable security fix for a Sudo bug that was reported last week.
As we explained last week, the Sudo bug could allow an ordinary user to gain root access to a Mac, though an attacker would also need to combine with malware or a brute-force attack to gain user access in the first place. ZDNet explained the vulnerability:
Incredible stickman mac os. The vulnerability, disclosed last week as CVE-2021-3156 (aka Baron Samedit) by security researchers from Qualys, impacts Sudo, an app that allows admins to delegate limited root access to other users. Qualys researchers discovered that they could trigger a “heap overflow” bug in the Sudo app to change the current user’s low-privileged access to root-level commands, granting the attacker access to the whole system
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Stranger tickets mac os. Apple says that today’s update to macOS Big Sur 11.2.1, as well as the supplemental updates for macOS Catalina 10.15.7 and macOS Mojave 10.14.6, include a fix for the bug. Apple published the following details on its support website:
- 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
- Description: This issue was addressed by updating to sudo version 1.9.5p2.
- CVE-2021-3156: Qualys
The updates to macOS Catalina and macOS Big Sur also include two other security fixes:
Intel Graphics Driverhttps://soft-less.mystrikingly.com/blog/the-crystal-dungeon-mac-os.
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- 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
You can now update your Mac to the latest version of macOS by heading to the Software Update menu in the System Preferences app.
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