Buffer overflow in Facebook Whatsapp Business For Android

CVE-2021-24041

A missing bounds check in image blurring code prior to WhatsApp for Android v2.21.22.7 and WhatsApp Business for Android v2.21.22.7 could have allowed an out-of-bounds write if a user sent a malicious image.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.012 (68.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-24041: held from 0.014 to 0.012.

EPSS over last 30 days · oldest: 0.014 · newest: 0.012 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-24041?
CVE-2021-24041 is a critical-severity vulnerability in Facebook Whatsapp Business For Android, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-12-07.
How severe is CVE-2021-24041?
Critical severity. CVSS v3 base score is 9.8 out of 10.