What is CVE-2024-27529?

CVE-2024-27529 is a high-severity vulnerability in Wasm3 Project, classified under Out-of-bounds Read. CVSS score: 8.4/10. Published 2024-11-08.

How severe is CVE-2024-27529?

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

Out-of-bounds Read in Wasm3 Project

CVE-2024-27529

wasm3 139076a contains memory leaks in Read_utf8.

Vulnerability class: Buffer Overflow

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: 0.003 (16.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Wasm3 Project — versions 139076a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/wasm3/wasm3/issues/462 (Exploit, Issue Tracking)
gist.github.com/haruki3hhh/ac70bd83b9c0ed1de6289d818488da78 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-27529?: CVE-2024-27529 is a high-severity vulnerability in Wasm3 Project, classified under Out-of-bounds Read. CVSS score: 8.4/10. Published 2024-11-08.
How severe is CVE-2024-27529?: High severity. CVSS v3 base score is 8.4 out of 10.