WASM3 v0.5.0 was discovered to contain a segmentation fault via the component Compile_Memory_CopyFill.
Priority LOW 25CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-125 and the CVSS impact.
Summary
WASM3 v0.5.0 was discovered to contain a segmentation fault via the component Compile_Memory_CopyFill.
Why it matters now
EPSS 0.00285 21st 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 |
| — | pywasm3 (PyPI) | up to 0.5.0 | — | No fix listed | GHSA-gq4p-4hxv-5rg9 |
| — | wasm3 (crates.io) | up to 0.5.0 | — | No fix listed | GHSA-gq4p-4hxv-5rg9 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pywasm3 (PyPI) Vendor— Affected up to 0.5.0 Fixed in — No fix listed GHSA-gq4p-4hxv-5rg9
- wasm3 (crates.io) Vendor— Affected up to 0.5.0 Fixed in — No fix listed GHSA-gq4p-4hxv-5rg9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:* | 0.5.0 | Vulnerable | Wasm3 Project |
- cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:* Versions 0.5.0 Vulnerable ·Wasm3 Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34529
- 2026-10-03 Alias added: GHSA-gq4p-4hxv-5rg9
References
More Wasm3 Project Wasm3 vulnerabilities
- TI-2024-22659 wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to… CVSS 3.1HIGH 7.5
- TI-2024-18299 wasm3 139076a contains a Use-After-Free in ForEachModule. CVSS 3.1HIGH 8.4
- TI-2024-18298 wasm3 139076a contains memory leaks in Read_utf8. CVSS 3.1HIGH 8.4
- TI-2024-18297 wasm3 139076a suffers from Invalid Memory Read, leading to DoS and potential Code Execution. CVSS 3.1HIGH 8.4
- TI-2024-18296 wasm3 139076a is vulnerable to Denial of Service (DoS). CVSS 3.1HIGH 7.5
- TI-2022-18927 WASM3 v0.5.0 was discovered to contain a segmentation fault via the component… CVSS 3.1HIGH 7.5
Sources
- CVE-2022-34529 · CVE Program
- CVE-2022-34529 · NVD
- FIRST EPSS
- GHSA-gq4p-4hxv-5rg9 · 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