How can I get macOS Catalina?Īpple makes macOS Catalina available through the Mac App Store. MacOS Catalina was released on October 7, 2019. The installation will take several minutes and requires your Mac to restart. Your Mac will check for the update, and once it is found, you can proceed. In the Overview section of the window that appears, click on the Software Update button. Click on the Apple menu and select About This Mac. To install the update, you need an internet connection. This could come in handy in case you find that the update gives your Macs problems and you need to restore your data. Apple is aware of a report that this issue may have been actively exploited.ĭescription: An integer overflow was addressed with improved input validation.īefore you install the update, you should back up you Mac.
Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution.