AUGUST 4, 2026
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Case File

CVE-2021-24042

CRITICAL · CVSS 9.8 EPSS 1.24%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-04 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-24042
Severity
CRITICAL
CVSS
9.8
EPSS
1.24%
Android

Original NVD 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.