CVE-2021-24026
Last modified
CVE-2021-24026 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| < 2.21.3 | ||
| Whatsapp Business | < 2.21.3 | |
| Whatsapp Business | < 2.21.32 |
References
- https://www.whatsapp.com/security/advisories/2021/Vendor Advisory
- https://www.whatsapp.com/security/advisories/2021/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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