Critical severity9.8NVD Advisory· Published Jan 4, 2022· Updated Jun 17, 2026
CVE-2021-24042
CVE-2021-24042
Description
The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.
Affected products
8- Range: <2.21.23
unspecified+ 1 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- Range: unspecified
- Range: unspecified
- Range: unspecified
- Facebook/WhatsApp for KaiOSv5Range: unspecified
Patches
Vulnerability mechanics
References
1- www.whatsapp.com/security/advisories/2021/nvdNot ApplicableVendor Advisory
News mentions
0No linked articles in our index yet.