Critical severity9.1NVD Advisory· Published Feb 2, 2022· Updated Jun 17, 2026
CVE-2021-24043
CVE-2021-24043
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 products
3- Range: <=2.21.23.2
Patches
Vulnerability mechanics
References
2- www.whatsapp.com/security/advisories/2021/nvdNot ApplicableVendor Advisory
- www.whatsapp.com/security/advisories/2022/nvdVendor Advisory
News mentions
0No linked articles in our index yet.