Heap-based buffer overflow in Meta WhatsApp for Android
Priority LOW 34CWE-122Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- 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-122 and the CVSS impact.
Summary
A buffer overflow in WhatsApp for Android prior to v2.20.130 and WhatsApp Business for Android prior to v2.20.46 could have allowed an out-of-bounds write when processing malformed local videos with E-AC-3 audio streams.
Why it matters now
EPSS 0.00306 23rd percentileScored 2026-11-07
Fix Fixed WhatsApp for Android (Facebook): 2.20.130WhatsApp Business for Android (Facebook): 2.20.46
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Meta | WhatsApp for Android | 2.20.130; before 2.20.130 | 2.20.130 | Patch available | CNA |
| Meta | WhatsApp Business for Android | 2.20.46; before 2.20.46 | 2.20.46 | Patch available | CNA |
Remediation
- Fix · CNA WhatsApp for Android (Facebook) Fixed in 2.20.130
- Fix · CNA WhatsApp Business for Android (Facebook) Fixed in 2.20.46
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1906
- 2026-10-03 Alias added: GHSA-rr52-7c3x-9vw4
References
More Meta vulnerabilities
- 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
Sources
- CVE-2020-1906 · CVE Program
- CVE-2020-1906 · NVD
- FIRST EPSS
- GHSA-rr52-7c3x-9vw4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences