CVE-2025-15412

5.3 MEDIUM
Published: January 01, 2026 Modified: February 23, 2026
View on NVD

Description

A security vulnerability has been detected in WebAssembly wabt up to 1.0.39. This issue affects the function wabt::Decompiler::VarName of the file /src/repro/wabt/bin/wasm-decompile of the component wasm-decompile. Such manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recommended to the researcher to provide a PR himself.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/WebAssembly/wabt/issues/2678
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://vuldb.com/?ctiid.339333
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.339333
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.719826
Source: cna@vuldb.com
Third Party Advisory VDB Entry

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
7th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

webassembly