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CVE-2025-15412

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CVE-2025-15412

Published: Jan 1, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

WebAssembly

wabt

affected
1.0.0
affected
1.0.1
affected
1.0.2
affected
1.0.3
affected
1.0.4

+35 more versions

Weaknesses (CWE)

CWE-125
CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-339333 | CTI Indicators (IOB, IOC, IOA)
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