CVE-2021-24041: Critical severity WhatsApp Whatsapp Android vulnerability

Published Dec 7, 2021
·
Updated

A missing bounds check in image blurring code prior to WhatsApp for Android v2.21.22.7 and WhatsApp Business for Android v2.21.22.7 could have allowed an out-of-bounds write if a user sent a malicious image.

Affected Software

2 affected components
WhatsApp Whatsapp Android<2.21.22.7
WhatsApp Whatsapp Business Android<2.21.22.7

Event History

Dec 7, 2021
CVE Published
via MITRE·07:10 PM
Data Sourced
via MITRE·07:10 PM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2021-24041?

The severity of CVE-2021-24041 is critical with a score of 9.8.

2

Which software versions are affected by CVE-2021-24041?

CVE-2021-24041 affects WhatsApp for Android versions up to and excluding 2.21.22.7 and WhatsApp Business for Android versions up to and excluding 2.21.22.7.

3

How can an out-of-bounds write occur in CVE-2021-24041?

An out-of-bounds write can occur if a user sends a malicious image.

4

Is there a fix available for CVE-2021-24041?

Yes, users should update to WhatsApp for Android version 2.21.22.7 or later and WhatsApp Business for Android version 2.21.22.7 or later to fix CVE-2021-24041.

5

Where can I find more information about CVE-2021-24041?

You can find more information about CVE-2021-24041 in the WhatsApp security advisories at https://www.whatsapp.com/security/advisories/2021/.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203