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CVE-2021-24042

CRITICAL
9.8
CVSS Severity Score
EPSS Score0.1080%
EPSS Percentile18.92th
PublishedJan 4, 2022
Last ModifiedMay 22, 2025

Vulnerability Description

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.

Affected Platforms (CPE)

📦
Whatsapp

Whatsapp

< 2.21.23
📦
Whatsapp

Whatsapp

< 2.21.23
📦
Whatsapp

Whatsapp

< 2.21.230
📦
Whatsapp

Whatsapp

< 2.21.230
📦
Whatsapp

Whatsapp

< 2.2143
📦
Whatsapp

Whatsapp

< 2.2146

References & Advisories

🔗 https://www.whatsapp.com/security/advisories/2021/
🔗 https://www.whatsapp.com/security/advisories/2021/

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