In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may…
Priority MEDIUM 41CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an unspecified "heap-buffer-overflow" condition in IR::FunctionValidationContext::end.
Why it matters now
EPSS 0.01269 69th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webassembly_virtual_machine_project:webassembly_virtual_machine:*:*:*:*:*:*:*:* | up to 2018-07-26 | Vulnerable | Webassembly Virtual Machine Project |
- cpe:2.3:a:webassembly_virtual_machine_project:webassembly_virtual_machine:*:*:*:*:*:*:*:* Versions up to 2018-07-26 Vulnerable ·Webassembly Virtual Machine Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16768
- 2026-10-03 Alias added: GHSA-4mv6-3x2w-gwrc
References
More Webassembly Virtual Machine Project Webassembly Virtual Machine vulnerabilities
- TI-2018-12339 An issue was discovered in WAVM before 2018-09-16. CVSS 3.0HIGH 8.8
- TI-2018-12007 In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may… CVSS 3.0HIGH 8.8
- TI-2018-12006 In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may… CVSS 3.0HIGH 8.8
- TI-2018-12004 In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may… CVSS 3.0HIGH 8.8
- TI-2018-12003 In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may… CVSS 3.0HIGH 8.8
- TI-2018-12002 In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may… CVSS 3.0HIGH 8.8
Sources
- CVE-2018-16768 · CVE Program
- CVE-2018-16768 · NVD
- FIRST EPSS
- GHSA-4mv6-3x2w-gwrc · GitHub Advisory Database · CC BY 4.0
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