Buffer overflow in Facebook Whatsapp Business For Android

CVE-2021-24026

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…

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-24026?
CVE-2021-24026 is a critical-severity vulnerability in Facebook Whatsapp Business For Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-04-06.
How severe is CVE-2021-24026?
Critical severity. CVSS v3 base score is 9.8 out of 10.