affected:
- ecosystem_specific: {}
  package:
    ecosystem: PyPI
    name: pywasm3
    purl: pkg:pypi/pywasm3
  ranges:
  - events:
    - introduced: '0'
    - last_affected: 0.5.0
    type: ECOSYSTEM
  versions:
  - 0.0.1
  - 0.0.2
  - 0.4.8
  - 0.4.9
  - 0.5.0
aliases:
- CVE-2024-34249
- GHSA-mq9p-qw76-q6h7
details: wasm3 v0.5.0 was discovered to contain a heap buffer overflow which leads
  to segmentation fault via the function "DeallocateSlot" in wasm3/source/m3_compile.c.
id: PYSEC-2024-308
modified: '2026-05-21T14:54:42.469893Z'
published: '2024-05-06T15:15:24.367Z'
references:
- type: REPORT
  url: https://github.com/wasm3/wasm3/issues/485
- type: ADVISORY
  url: https://github.com/advisories/GHSA-mq9p-qw76-q6h7
severity:
- score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  type: CVSS_V3