About the security content of macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update

This document describes the security content of macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update.

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macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update

Released 5 November 2020

FontParser

Available for: macOS Catalina 10.15.7

Impact: processing a maliciously crafted font may lead to arbitrary code execution. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: a memory corruption issue was addressed with improved input validation.

CVE-2020-27930: Google Project Zero

Kernel

Available for: macOS Catalina 10.15.7

Impact: a malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: a type confusion issue was addressed with improved state handling.

CVE-2020-27932: Google Project Zero

Kernel

Available for: macOS Catalina 10.15.7

Impact: a malicious application may be able to disclose kernel memory. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: a memory initialisation issue was addressed.

CVE-2020-27950: Google Project Zero

macOS will have the following build number after you install this update: 19H15.

Find out how to find the macOS version and build number on your Mac.

Find out how to update the software on your Mac.

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