Critical severity9.8NVD Advisory· Published Sep 3, 2020· Updated Jun 17, 2026

CVE-2020-1891

Description

A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.

Affected products

Whatsapp/Whatsappllm-fuzzy
Range: <2.20.17 (Android), <2.20.7 (Business Android), <2.20.20 (iPhone), <2.20.20 (Business iPhone)
Facebook/WhatsApp for Androidcpe-rescue2 versions
2.20.17+ 1 more
- (no CPE)range: 2.20.17
- (no CPE)range: 2.20.7
Facebook/WhatsApp for iPhonecpe-rescue2 versions
2.20.20+ 1 more
- (no CPE)range: 2.20.20
- (no CPE)range: 2.20.20

Patches

Vulnerability mechanics

References

www.whatsapp.com/security/advisories/2020nvdVendor Advisory

News mentions

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