CVEvulnerability
CVE-2021-24043
9.1 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-02-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CVSS 2.0 ([email protected])
- 6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:P
- Weaknesses
- CWE-125
Description
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.
Affected configurations
• whatsapp whatsapp 2.21.23.2
• whatsapp whatsapp 2.21.230.6
• whatsapp whatsapp 2.2145.0
• whatsapp whatsapp business 2.21.23.2
• whatsapp whatsapp business 2.21.230.7
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://www.whatsapp.com/security/advisories/2021/ Not Applicable, Vendor Advisory
- https://www.whatsapp.com/security/advisories/2022/ Vendor Advisory
- https://www.whatsapp.com/security/advisories/2021/ Not Applicable, Vendor Advisory