CVE-2021-24026 — CRITICAL (9.8)

Q: How severe is CVE-2021-24026?

CVE-2021-24026 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-24026?

Check the references section above for vendor advisories and patch information. Affected products include: Whatsapp Whatsapp, Whatsapp Whatsapp Business.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Whatsapp	Whatsapp	< 2.21.3
Whatsapp	Whatsapp Business	< 2.21.3

Related Weaknesses (CWE)

CWE-787

References

https://www.whatsapp.com/security/advisories/2021/Vendor Advisory
https://www.whatsapp.com/security/advisories/2021/Vendor Advisory

FAQ

What is CVE-2021-24026?

CVE-2021-24026 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 v2.21.3...

How severe is CVE-2021-24026?

CVE-2021-24026 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-24026?

Check the references section above for vendor advisories and patch information. Affected products include: Whatsapp Whatsapp, Whatsapp Whatsapp Business.