CVE-2020-1907

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-10-06 · updated 2026-06-17
Weakness: CWE-787

Description

A stack overflow in WhatsApp for Android prior to v2.20.196.16, WhatsApp Business for Android prior to v2.20.196.12, WhatsApp for iOS prior to v2.20.90, WhatsApp Business for iOS prior to v2.20.90, and WhatsApp for Portal prior to v173.0.0.29.505 could have allowed arbitrary code execution when parsing the contents of an RTP Extension header.

Affected products

Facebook WhatsApp for Android: before 2.20.90; before 2.20.196.16; before 173.0.0.29.505 — fixed in 173.0.0.29.505, 2.20.196.16, 2.20.90
Whatsapp Business: before 2.20.90; before 2.20.196.12 — fixed in 2.20.196.12, 2.20.90

How to fix

Upgrade to a fixed version: Facebook WhatsApp for Android 173.0.0.29.505, 2.20.196.16, 2.20.90; Whatsapp Business 2.20.196.12, 2.20.90. Check the vendor advisory for mitigations.

References

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