What is the severity of CVE-2023-42940?

CVE-2023-42940 has been classified as a moderate severity vulnerability due to its potential impact on screen sharing.

How do I fix CVE-2023-42940?

To fix CVE-2023-42940, update your system to macOS Sonoma version 14.2.1 or later.

What does CVE-2023-42940 affect?

CVE-2023-42940 affects the Apple macOS operating system, specifically versions prior to 14.2.1.

What type of vulnerability is CVE-2023-42940?

CVE-2023-42940 is a session rendering issue that can lead to sharing incorrect content during screen sharing.

When was CVE-2023-42940 addressed?

CVE-2023-42940 was addressed in macOS Sonoma version 14.2.1.

Vulnerability/
CVE-2023-42940

medium

5.7

19/12/2023

4/1/2024

CVE-2023-42940

First published: Tue Dec 19 2023(Updated: )

A session rendering issue was addressed with improved session tracking. This issue is fixed in macOS Sonoma 14.2.1. A user who shares their screen may unintentionally share the incorrect content.

Credit: Craig Hockenberry product-security@apple.com

Affected Software	Affected Version	How to fix
Apple macOS	>=14.0<14.2.1
Apple macOS	<14.2.1	14.2.1

Never miss a vulnerability like this again

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

HT214048

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

What is the severity of CVE-2023-42940?
CVE-2023-42940 has been classified as a moderate severity vulnerability due to its potential impact on screen sharing.
How do I fix CVE-2023-42940?
To fix CVE-2023-42940, update your system to macOS Sonoma version 14.2.1 or later.
What does CVE-2023-42940 affect?
CVE-2023-42940 affects the Apple macOS operating system, specifically versions prior to 14.2.1.
What type of vulnerability is CVE-2023-42940?
CVE-2023-42940 is a session rendering issue that can lead to sharing incorrect content during screen sharing.
When was CVE-2023-42940 addressed?
CVE-2023-42940 was addressed in macOS Sonoma version 14.2.1.

zeroday/true
collector/mitre-cve
agent/type
agent/last-modified-date
agent/first-publish-date
agent/author
agent/severity
agent/references
agent/description
agent/trending
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/apple-support
source/Apple
agent/tags
agent/softwarecombine
agent/event
agent/source
vendor/apple
canonical/apple macos
version/apple macos/14.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of CVE-2023-42940?
CVE-2023-42940 has been classified as a moderate severity vulnerability due to its potential impact on screen sharing.
How do I fix CVE-2023-42940?
To fix CVE-2023-42940, update your system to macOS Sonoma version 14.2.1 or later.
What does CVE-2023-42940 affect?
CVE-2023-42940 affects the Apple macOS operating system, specifically versions prior to 14.2.1.
What type of vulnerability is CVE-2023-42940?
CVE-2023-42940 is a session rendering issue that can lead to sharing incorrect content during screen sharing.
When was CVE-2023-42940 addressed?
CVE-2023-42940 was addressed in macOS Sonoma version 14.2.1.