GitHub Advisoryadvisory · PyPI
GHSA-hh39-vjv8-j337 pywasm3 contains a global buffer overflow which leads to segmentation fault
CRITICAL
Official page ↗
- Aliases
- CVE-2024-34252
- Ecosystem
- PyPI
- Packages
- pywasm3
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-120
- Reviewed
- 2026-06-09
Affected packages
• PyPI pywasm3: <= 0.5.0 (no fix yet)
Description
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.
Related
Alias · CVE (1)
- CVE-2024-34252 wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to segmentation fault via the function… vulnerability
Weakness · CWE (1)
- CWE-120 Buffer Copy without Checking Size of Input weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-34252 advisory
- https://github.com/wasm3/wasm3/issues/483 web
- https://github.com/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2024-309.yaml web
- https://github.com/wasm3/pywasm3 package
- https://github.com/wasm3/pywasm3/blob/main/wasm3/m3_compile.c#L420 web