Improper input validation in Facebook Whatsapp Desktop

CVE-2019-3571

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.

EPSS: 0.008 (51.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-3571?
CVE-2019-3571 is a medium-severity vulnerability in Facebook Whatsapp Desktop, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2019-07-16.
How severe is CVE-2019-3571?
Medium severity. CVSS v3 base score is 5.3 out of 10.