Vulnerability Database

308,820

Total vulnerabilities in the database

CVE-2021-24043

A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call.

  • Published: Feb 2, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-24043
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.1
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.4
  • AV:N/AC:L/Au:N/C:P/I:N/A:P

CWEs:

Software From Fixed in
whatsapp / whatsapp 2.2145.0 2.2145.0.x
whatsapp / whatsapp_business 2.21.230.7 2.21.230.7.x
whatsapp / whatsapp 2.21.230.6 2.21.230.6.x
whatsapp / whatsapp_business 2.21.23.2 2.21.23.2.x
whatsapp / whatsapp 2.21.23.2 2.21.23.2.x