Vulnerability · Published Apr 6, 2021 · Assigned by facebook
CVE-2021-24026
Critical 9.8
In plain English
A critical-severity out-of-bounds write 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 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.4%top 27.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 to v2.21.32 could have allowed an out-of-bounds write.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WhatsApp Business for iOS | unspecified – before v2.21.32 | |
| WhatsApp for iOS | unspecified – before v2.21.32 | |
| WhatsApp Business for Android | unspecified – before v2.21.3 | |
| WhatsApp for Android | unspecified – before v2.21.3 |
Weakness: CWE-787
References
- https://www.whatsapp.com/security/advisories/2021/ x_refsource_CONFIRM