VULNERABILITY INTELLIGENCE

CVE-2021-24026

CVSS score9.8 CRITICAL
EPSS probability1.40%
CISA KEVNot currently listed
Published2021-04-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • cve-assign@fb.com: CWE-787
  • nvd@nist.gov: CWE-787

Primary references