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TI-2021-16182 Aliases CVE-2021-38592GHSA-w873-jf59-8229

Wasm3 0.5.0 has a heap-based buffer overflow in op_Const64 (called from EvaluateExpression and m3_LoadModule).

Priority LOW 35CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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. Impact type from CWE-787 and the CVSS impact.

Summary

Wasm3 0.5.0 has a heap-based buffer overflow in op_Const64 (called from EvaluateExpression and m3_LoadModule).

Why it matters now

EPSS 0.01294 70th percentileScored 2026-11-07
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:*0.5.0VulnerableWasm3 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

  1. 2026-10-02 Threatist record created from CVE-2021-38592
  2. 2026-10-03 Alias added: GHSA-w873-jf59-8229

References

Advisory 2

  • 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
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences