CVE-2020-1901: Medium severity whatsapp vulnerability

Published Oct 6, 2020
·
Updated

Receiving a large text message containing URLs in WhatsApp for iOS prior to v2.20.91.4 could have caused the application to freeze while processing the message.

Affected Software

1 affected component
WhatsApp Whatsapp Iphone Os<2.20.91.4

Event History

Oct 6, 2020
CVE Published
via MITRE·05:35 PM
Data Sourced
via MITRE·05:35 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 CVE-2020-1901?

CVE-2020-1901 is a vulnerability in WhatsApp for iOS versions prior to v2.20.91.4 that could cause the application to freeze when processing a large text message with URLs.

2

How severe is CVE-2020-1901?

CVE-2020-1901 has a severity score of 5.3, which is considered medium.

3

What is the affected software?

The affected software is WhatsApp for iOS prior to v2.20.91.4.

4

How can I fix CVE-2020-1901?

To fix CVE-2020-1901, update WhatsApp for iOS to v2.20.91.4 or later.

5

Where can I find more information about CVE-2020-1901?

More information about CVE-2020-1901 can be found at the following link: https://www.whatsapp.com/security/advisories/2020/

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