Vulnerability · Published Dec 7, 2021 · Assigned by facebook
CVE-2021-24041
Critical 9.8
In plain English
A critical-severity heap buffer overflow in WhatsApp Business for Android from Facebook. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 30.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WhatsApp Business for Android | unspecified – before v2.21.22.7 | |
| WhatsApp for Android | unspecified – before v2.21.22.7 |
Weakness: CWE-122
References
- https://www.whatsapp.com/security/advisories/2021/ x_refsource_CONFIRM