![]() ![]() Impact: Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code executionĬVE-2021-1847: Xuwei Liu of Purdue University Impact: A malicious application may be able to leak sensitive user informationĭescription: A validation issue was addressed with improved logic.ĬVE-2021-30659: Thijs Alkemade of Computest Impact: A malicious application may be able to read restricted memoryĬVE-2021-1809: JunDong Xie of Ant Security Light-Year Lab ![]() Impact: Processing a maliciously crafted audio file may disclose restricted memoryĬVE-2021-1846: JunDong Xie of Ant Security Light-Year Lab Impact: Processing a maliciously crafted file may lead to arbitrary code executionĭescription: An out-of-bounds write issue was addressed with improved bounds checking.ĬVE-2021-30664: JunDong Xie of Ant Security Light-Year Lab Impact: An out-of-bounds read was addressed with improved input validationĭescription: Processing a maliciously crafted image may lead to arbitrary code execution.ĬVE-2021-30752: Ye Zhang of Baidu Security Impact: Processing maliciously crafted web content may disclose sensitive user informationĭescription: A memory initialization issue was addressed with improved memory handling. Impact: An application may be able to read restricted memoryĭescription: A memory corruption issue was addressed with improved validation.ĬVE-2021-1808: JunDong Xie of Ant Security Light-Year Lab Impact: A malicious application may bypass Gatekeeper checks Impact: A malicious application may be able to execute arbitrary code with kernel privilegesĭescription: An out-of-bounds read was addressed with improved input validation.ĬVE-2021-1867: Zuozhi Fan and Wish Wu(吴潍浠) of Ant Group Tianqiong Security Lab Impact: A malicious application may be able to bypass Privacy preferencesĭescription: An issue in code signature validation was addressed with improved checks. Don’t go for the beta version of the operating system that is not released yet.Impact: A local attacker may be able to elevate their privilegesĭescription: A logic issue was addressed with improved state management.ĬVE-2021-1853: Gary Nield of ECSC Group plc and Tim of Zoom Video Communications Well, the wisdom here is that if you depend on third-party drivers for normal functioning of your Mac. Thankfully, I had a second Mac that allowed me to create a bootable drive of macOS Catalina, and I went through the entire process again. After going through the installation process, I realized that the WiFi adapter drivers are not compatible with the new operating system. You can just go through the first tutorial and do both factory reset and fresh installation of the macOS operating system.Ī problem which is not related to Apple that I encountered was that I first tried installing macOS Big Sur Beta. So, I had to first create a bootable drive and then erase the Mac. The major issue with my computer was that I was using an external WiFi adapter. ![]() It might seem a bit hard at first, but if you follow the steps correctly, you won’t encounter any problem. My Experience on going through the ProcessĪpple has made the process seamless. Now boot your Mac while holding the option key, and it will show you the option for reinstalling the operating system. Just shut down your Mac and plug in the drive. Using the drive to reinstall macOS is simple. Release the keys when the Apple logo appears on the screen.Ĩ. To do that, shut down your Mac and then restart it while holding the CMD+R keys. The first step is to start your Mac in Recovery Mode. With that warning out of the way, let’s get started:ġ. And you won’t be able to recover the deleted data. That also means that you should create a backup of your data before proceeding with this tutorial as you will lose all your data. This is also handy when you are selling your Mac to someone as it ensures that no personal data is left on the device. If your Mac is showing its age or having problems, and you have tried all the troubleshooting methods, the final step is to reset it to its original state. My experience on going through the process.Do a fresh install of macOS operating system using bootable drive.You can click on the links below to move to the section you are most interested in. In the second section, I will show how you can install the macOS operating system using a bootable device. In the first section, I will share the steps of resetting a Mac. ![]()
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