CVE-2019-3571: WhatsApp

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

An input validation issue affected WhatsApp Desktop versions prior to 0.3.3793 which allows malicious clients to send files to users that would be displayed with a wrong extension.

Affected products

• WhatsApp WhatsApp: before 0.3.3793 (fixed in 0.3.3793)

Published 2019-07-16. Last modified 2026-06-17.