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TI-2020-01837 Aliases CVE-2020-1910GHSA-xwv3-xrx8-63rf

Out-of-bounds write in WhatsApp Business for Android

Priority MEDIUM 42CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A missing bounds check in WhatsApp for Android prior to v2.21.1.13 and WhatsApp Business for Android prior to v2.21.1.13 could have allowed out-of-bounds read and write if a user applied specific image filters to a specially crafted image and sent the resulting image.

Why it matters now

EPSS 0.05095 92nd percentileScored 2026-11-07
Fix Fixed WhatsApp Business for Android (WhatsApp): v2.21.1.13WhatsApp for Android (WhatsApp): v2.21.1.13

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
WhatsAppWhatsApp Business for Androidbefore v2.21.1.13v2.21.1.13Patch availableCNA
WhatsAppWhatsApp for Androidbefore v2.21.1.13v2.21.1.13Patch availableCNA
  • WhatsApp Business for Android VendorWhatsApp Affected before v2.21.1.13 Fixed in v2.21.1.13 Patch available CNA
  • WhatsApp for Android VendorWhatsApp Affected before v2.21.1.13 Fixed in v2.21.1.13 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*before 2.21.1.13VulnerableWhatsApp
cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*before 2.21.1.13VulnerableWhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:* Versions before 2.21.1.13 Vulnerable ·WhatsApp
  • cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:* Versions before 2.21.1.13 Vulnerable ·WhatsApp

Remediation

  • Fix · CNA WhatsApp Business for Android (WhatsApp) Fixed in v2.21.1.13
  • Fix · CNA WhatsApp for Android (WhatsApp) Fixed in v2.21.1.13

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1910
  2. 2026-10-03 Alias added: GHSA-xwv3-xrx8-63rf

References

Advisory 1

  • 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-2025-34857 Incorrect authorization in Meta WhatsApp Desktop for Mac KEVCVSS 3.1MEDIUM 5.4
  • TI-2019-08937 Double free in koral-- android-gif-drawable CVSS 3.1HIGH 8.8
  • TI-2025-21703 A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments… CVSS 3.1MEDIUM 6.7
  • TI-2022-17146 An integer overflow in WhatsApp could result in remote code execution in an established video call. CVSS 3.1CRITICAL 9.8
See all 43 →

Sources

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