GHSA-rrmw-gv85-w824

Suggest an improvement
Source
https://github.com/advisories/GHSA-rrmw-gv85-w824
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-rrmw-gv85-w824/GHSA-rrmw-gv85-w824.json
JSON Data
https://api.test.osv.dev/v1/vulns/GHSA-rrmw-gv85-w824
Aliases
Published
2025-06-19T18:31:47Z
Modified
2026-06-09T19:26:22Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer
Details

A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Database specific 
{
    "cwe_ids":  [
        "CWE-119"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-06-09T19:09:31Z",
    "nvd_published_at":  "2025-06-19T18:15:22Z",
    "severity":  "LOW"
}
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/2025/06/GHSA-rrmw-gv85-w824/GHSA-rrmw-gv85-w824.json"