The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.

Related CVEs

CVE-2021-24042

Key Information

GHSA ID

GHSA-mp5j-h5hx-cfxc

Published

January 5, 2022 12:00 AM

Last Modified

May 22, 2025 9:30 PM

CVSS Score

9.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 3, 2025 6:26 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.