About the security content of macOS Big Sur 11.7.1

This document describes the security content of macOS Big Sur 11.7.1.

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.

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

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

macOS Big Sur 11.7.1

AppleMobileFileIntegrity

Available for: macOS Big Sur

Impact: An app may be able to modify protected parts of the file system

Description: This issue was addressed by removing additional entitlements.

CVE-2022-42825: Mickey Jin (@patch1t)

Audio

Available for: macOS Big Sur

Impact: Parsing a maliciously crafted audio file may lead to disclosure of user information

Description: The issue was addressed with improved memory handling.

CVE-2022-42798: Anonymous working with Trend Micro Zero Day Initiative

Boot Camp

Available for: macOS Big Sur

Impact: An app may be able to modify protected parts of the file system

Description: This issue was addressed with improved checks to prevent unauthorized actions.

CVE-2022-42860: Mickey Jin (@patch1t) of Trend Micro

Calendar

Available for: macOS Big Sur

Impact: A remote user may be able to write arbitrary files

Description: This issue was addressed with improved checks.

CVE-2022-46723: Mikko Kenttälä (@Turmio_) of SensorFu

Kernel

Available for: macOS Big Sur

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

Description: A memory corruption issue was addressed with improved state management.

CVE-2022-32944: Tim Michaud (@TimGMichaud) of Moveworks.ai

PackageKit

Available for: macOS Big Sur

Impact: An app may be able to modify protected parts of the file system

Description: A race condition was addressed with additional validation.

CVE-2022-46713: Mickey Jin (@patch1t) of Trend Micro

ppp

Available for: macOS Big Sur

Impact: A buffer overflow may result in arbitrary code execution

Description: The issue was addressed with improved bounds checks.

CVE-2022-32941: an anonymous researcher

Ruby

Available for: macOS Big Sur

Impact: A remote user may be able to cause unexpected app termination or arbitrary code execution

Description: A memory corruption issue was addressed by updating Ruby to version 2.6.10.

CVE-2022-28739

Sandbox

Available for: macOS Big Sur

Impact: An app with root privileges may be able to access private information

Description: This issue was addressed with improved data protection.

CVE-2022-32862: Rohit Chatterjee of University of Illinois Urbana-Champaign

zlib

Available for: macOS Big Sur

Impact: A user may be able to cause unexpected app termination or arbitrary code execution

Description: This issue was addressed with improved checks.

CVE-2022-37434: Evgeny Legerov

CVE-2022-42800: Evgeny Legerov