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
EPSS: 0.014 (69.3th 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
- Facebook Whatsapp Business For Android — versions unspecified, v2.21.22.7
- Facebook Whatsapp For Android — versions unspecified, v2.21.22.7
- Whatsapp Whatsapp_business
Weakness classification (CWE)
References
- cve-assign@fb.com (x_refsource_CONFIRM, Vendor Advisory)
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.