CVE-2021-24042
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWhatsapp
PublishedJan 4, 2022
First seenJan 4, 2022
Weakness typeCWE-122CWE-122
How to fix
Update
- whatsapp whatsapp2.21.23, 2.21.230, 2.2143, 2.2146 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| whatsapp whatsapp | v < 2.21.23, v < 2.21.230, v < 2.2143, v < 2.2146 | 2.21.23, 2.21.230, 2.2143, 2.2146 |
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