PT-2021-15650 · Facebook · Whatsapp For Android+3

Published 2021-04-06 · Updated 2021-04-15 · CVE-2021-24026

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: WhatsApp for Android versions prior to 2.21.3 WhatsApp Business for Android versions prior to 2.21.3 WhatsApp for iOS versions prior to 2.21.32 WhatsApp Business for iOS versions prior to 2.21.32

Description: A missing bounds check within the audio decoding pipeline for WhatsApp calls could have allowed an out-of-bounds write.

Recommendations: For WhatsApp for Android versions prior to 2.21.3, update to version 2.21.3 or later. For WhatsApp Business for Android versions prior to 2.21.3, update to version 2.21.3 or later. For WhatsApp for iOS versions prior to 2.21.32, update to version 2.21.32 or later. For WhatsApp Business for iOS versions prior to 2.21.32, update to version 2.21.32 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-24026

Affected Products

Whatsapp Business For Android

Whatsapp Business For Ios

Whatsapp For Android

Whatsapp For Ios

References · 3

• https://whatsapp.com/security/advisories/2021 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24026 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24026 · Vendor Advisory