CVE-2020-1910

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-02 · updated 2026-06-17
Weakness: CWE-787

Description

A missing bounds check in WhatsApp for Android prior to v2.21.1.13 and WhatsApp Business for Android prior to v2.21.1.13 could have allowed out-of-bounds read and write if a user applied specific image filters to a specially crafted image and sent the resulting image.

Affected products

Facebook WhatsApp for Android: before 2.21.1.13 — fixed in 2.21.1.13
Whatsapp Business: before 2.21.1.13 — fixed in 2.21.1.13

How to fix

Upgrade to a fixed version: Facebook WhatsApp for Android 2.21.1.13; Whatsapp Business 2.21.1.13. Check the vendor advisory for mitigations.

References

https://www.whatsapp.com/security/advisories/2021/
https://www.whatsapp.com/security/advisories/2021/

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