CVE-2021-24026 Information

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 Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8