What is CVE-2025-2368?

CVE-2025-2368 is a medium-severity vulnerability in Webassembly Wabt, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2025-03-17.

How severe is CVE-2025-2368?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Buffer overflow in Webassembly Wabt

CVE-2025-2368

A vulnerability was found in WebAssembly wabt 1.0.36 and classified as critical. This issue affects the function wabt::interp::(anonymous namespace)::BinaryReaderInterp::OnExport of the file wabt/src/interp/binary-reader-interp.cc of the component Malformed File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.

Vulnerability class: Buffer Overflow

Published 2025-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (44.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Webassembly Wabt — versions 1.0.36

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/WebAssembly/wabt/issues/2556 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
github.com/WebAssembly/wabt/issues/2537 (issue-tracking, Issue Tracking)
github.com/WebAssembly/wabt/issues/2556 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
github.com/WebAssembly/wabt/pull/2541 (issue-tracking, patch, Issue Tracking)

Frequently asked questions

What is CVE-2025-2368?: CVE-2025-2368 is a medium-severity vulnerability in Webassembly Wabt, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2025-03-17.
How severe is CVE-2025-2368?: Medium severity. CVSS v3 base score is 6.3 out of 10.