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CVE-2025-6274

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Date: June 19, 2025

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade Version

Upgrade to version https://github.com/WebAssembly/wabt.git - null

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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