CVE-2020-1909
Critical
Description
A use-after-free in a logging library in WhatsApp for iOS prior to v2.20.111 and WhatsApp Business for iOS prior to v2.20.111 could have resulted in memory corruption, crashes and potentially code execution. This could have happened only if several events occurred together in sequence, including receiving an animated sticker while placing a WhatsApp video call on hold.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWhatsapp
PublishedNov 3, 2020
First seenNov 3, 2020
Weakness typeCWE-416Use after free
How to fix
Update
- whatsapp whatsapp2.20.111 or later
- whatsapp whatsapp_business2.20.111 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| whatsapp whatsapp | v < 2.20.111 | 2.20.111 |
| whatsapp whatsapp_business | v < 2.20.111 | 2.20.111 |
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