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TI-2019-02636 Aliases CVE-2019-3571GHSA-78r4-4fjf-6phv

Improper output encoding in Meta WhatsApp Desktop

Priority LOW 25CWE-116Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00776 56th percentileScored 2026-11-07
Fix Fixed WhatsApp Desktop (Facebook): 0.3.3793

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MetaWhatsApp Desktop0.3.3793; before 0.3.37930.3.3793Patch availableCNA
  • WhatsApp Desktop VendorMeta Affected 0.3.3793; before 0.3.3793 Fixed in 0.3.3793 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:mac_os_x:*:*before 0.3.3793VulnerableWhatsApp
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:windows:*:*before 0.3.3793VulnerableWhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:mac_os_x:*:* Versions before 0.3.3793 Vulnerable ·WhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:windows:*:* Versions before 0.3.3793 Vulnerable ·WhatsApp

Remediation

  • Fix · CNA WhatsApp Desktop (Facebook) Fixed in 0.3.3793

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3571
  2. 2026-10-03 Alias added: GHSA-78r4-4fjf-6phv

References

Advisory 1

  • TI-2025-34861 Deserialization of untrusted data in Meta react-server-dom-webpack KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-02633 Heap-based buffer overflow in Meta WhatsApp for Android KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-13416 Cross-site scripting in Meta WhatsApp Desktop KEVCVSS 3.1HIGH 8.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2025-34857 Incorrect authorization in Meta WhatsApp Desktop for Mac KEVCVSS 3.1MEDIUM 5.4
  • TI-2025-34863 Deserialization of untrusted data in Meta react-server-dom-webpack CVSS 3.1HIGH 7.5
See all 191 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences