Vulnerability in Wasm3 Project
CVE-2025-15572
A vulnerability has been found in wasm3 up to 0.5.0. The affected element is the function NewCodePage. The manipulation leads to memory leak. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. Unfortunately, the project has no active maintainer at the moment.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% 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
- Wasm3 — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wasm3/wasm3/issues/550 (issue-tracking, Exploit, Issue Tracking)
- github.com/oneafter/cve-proofs/blob/main/POC-20251203-07/repro (Exploit, exploit)
- github.com/wasm3/wasm3/ (Product, product)
Frequently asked questions
- What is CVE-2025-15572?
- CVE-2025-15572 is a low-severity vulnerability in Wasm3 Project, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2026-02-10.
- How severe is CVE-2025-15572?
- Low severity. CVSS v3 base score is 3.3 out of 10.