What is CVE-2024-27530?

CVE-2024-27530 is a high-severity vulnerability in Wasm3 Project, classified under Use After Free. CVSS score: 8.4/10. Published 2024-11-08.

How severe is CVE-2024-27530?

High severity. CVSS v3 base score is 8.4 out of 10.

Use After Free in Wasm3 Project

CVE-2024-27530

wasm3 139076a contains a Use-After-Free in ForEachModule.

Vulnerability class: Use-After-Free

Published 2024-11-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Wasm3 Project — versions 139076a

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/wasm3/wasm3/issues/458 (Exploit, Issue Tracking)
gist.github.com/haruki3hhh/94dd274487b58e037bcc8839dc88b203 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-27530?: CVE-2024-27530 is a high-severity vulnerability in Wasm3 Project, classified under Use After Free. CVSS score: 8.4/10. Published 2024-11-08.
How severe is CVE-2024-27530?: High severity. CVSS v3 base score is 8.4 out of 10.