An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.
Priority LOW 35CWE-191Published · 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 · CISA ADP. Fix status from CNA. Impact type from CWE-191 and the CVSS impact.
Summary
An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00526 44th percentileScored 2026-11-07
Fix Fixed WhatsApp Business for iOS (Meta): v2.22.15.9WhatsApp for iOS (Meta): v2.22.15.9+2 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Meta | WhatsApp Business for iOS | before v2.22.15.9 | v2.22.15.9 | Patch available | CNA |
| Meta | WhatsApp for iOS | before v2.22.15.9 | v2.22.15.9 | Patch available | CNA |
| Meta | WhatsApp for Android | before 2.22.16.2 | 2.22.16.2 | Patch available | CNA |
| Meta | WhatsApp Business for Android | before 2.22.16.2 | 2.22.16.2 | Patch available | CNA |
- WhatsApp Business for iOS VendorMeta Affected before v2.22.15.9 Fixed in v2.22.15.9 Patch available CNA
- WhatsApp for iOS VendorMeta Affected before v2.22.15.9 Fixed in v2.22.15.9 Patch available CNA
- WhatsApp for Android VendorMeta Affected before 2.22.16.2 Fixed in 2.22.16.2 Patch available CNA
- WhatsApp Business for Android VendorMeta Affected before 2.22.16.2 Fixed in 2.22.16.2 Patch available CNA
Remediation
- Fix · CNA WhatsApp Business for iOS (Meta) Fixed in v2.22.15.9
- Fix · CNA WhatsApp for iOS (Meta) Fixed in v2.22.15.9
- Fix · CNA WhatsApp for Android (Meta) Fixed in 2.22.16.2
- Fix · CNA WhatsApp Business for Android (Meta) Fixed in 2.22.16.2
Timeline
- 2026-10-02 Threatist record created from CVE-2022-27492
- 2026-10-03 Alias added: GHSA-98r4-4f3j-q239
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-2022-27492 · CVE Program
- CVE-2022-27492 · NVD
- FIRST EPSS
- GHSA-98r4-4f3j-q239 · 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