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TI-2020-01828 Aliases CVE-2020-1901GHSA-gqr2-r72f-2848

Uncontrolled resource consumption in Meta WhatsApp for iOS

Priority LOW 26CWE-400Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

Receiving a large text message containing URLs in WhatsApp for iOS prior to v2.20.91.4 could have caused the application to freeze while processing the message.

Why it matters now

EPSS 0.01027 63rd percentileScored 2026-11-07
Fix Fixed WhatsApp for iOS (Facebook): 2.20.91.4

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MetaWhatsApp for iOS2.20.91.4; before 2.20.91.42.20.91.4Patch availableCNA
  • WhatsApp for iOS VendorMeta Affected 2.20.91.4; before 2.20.91.4 Fixed in 2.20.91.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*before 2.20.91.4VulnerableWhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:* Versions before 2.20.91.4 Vulnerable ·WhatsApp

Remediation

  • Fix · CNA WhatsApp for iOS (Facebook) Fixed in 2.20.91.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1901
  2. 2026-10-03 Alias added: GHSA-gqr2-r72f-2848

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