CVE-2021-24026
Critical
Description
A missing bounds check within the audio decoding pipeline for WhatsApp calls in WhatsApp for Android prior to v2.21.3, WhatsApp Business for Android prior to v2.21.3, WhatsApp for iOS prior to v2.21.32, and WhatsApp Business for iOS prior to v2.21.32 could have allowed an out-of-bounds write.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWhatsapp
PublishedApr 6, 2021
First seenApr 6, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- whatsapp whatsapp2.21.3 or later
- whatsapp whatsapp_business2.21.3, 2.21.32 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| whatsapp whatsapp | v < 2.21.3 | 2.21.3 |
| whatsapp whatsapp_business | v < 2.21.3, v < 2.21.32 | 2.21.3, 2.21.32 |
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