GHSA-hh39-vjv8-j337

Source

https://github.com/advisories/GHSA-hh39-vjv8-j337

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/05/GHSA-hh39-vjv8-j337/GHSA-hh39-vjv8-j337.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-hh39-vjv8-j337

Aliases

Published

2024-05-06T15:30:39Z

Modified

2026-06-09T19:26:18Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

pywasm3 contains a global buffer overflow which leads to segmentation fault

Details

wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to segmentation fault via the function "PreserveRegisterIfOccupied" in wasm3/source/m3_compile.c.

Database specific

{
    "cwe_ids": [
        "CWE-120"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-09T19:04:21Z",
    "nvd_published_at": "2024-05-06T15:15:24Z",
    "severity": "CRITICAL"
}

References

Affected packages

PyPI / pywasm3

Package

Name: pywasm3; View open source insights on deps.dev
Purl: pkg:pypi/pywasm3

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Last Affected

0.5.0

Affected versions

0.*

0.0.1

0.0.2

0.4.8

0.4.9

0.5.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/05/GHSA-hh39-vjv8-j337/GHSA-hh39-vjv8-j337.json"