wasm3 139076a suffers from Invalid Memory Read, leading to DoS and potential Code Execution.
Priority HIGH 72CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
wasm3 139076a suffers from Invalid Memory Read, leading to DoS and potential Code Execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00238 14th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pywasm3 (PyPI) | up to 0.5.0 | — | No fix listed | GHSA-mhg9-mm8c-c683 |
- — 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-mhg9-mm8c-c683
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wasm3_project:wasm3:139076a:*:*:*:*:*:*:* | 139076a | Vulnerable | Wasm3 Project |
- cpe:2.3:a:wasm3_project:wasm3:139076a:*:*:*:*:*:*:* Versions 139076a Vulnerable ·Wasm3 Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27528
- 2026-10-03 Alias added: GHSA-mhg9-mm8c-c683
References
Advisory 2
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-2024-18296 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
- TI-2025-14211 wasm3 NewCodePage memory leak CVSS 4.0MEDIUM 4.8
Sources
- CVE-2024-27528 · CVE Program
- CVE-2024-27528 · NVD
- FIRST EPSS
- GHSA-mhg9-mm8c-c683 · GitHub Advisory Database · CC BY 4.0
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