Improper Resource Shutdown or Release Affecting WebAssembly/wabt package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-UNMANAGED-WEBASSEMBLYWABT-10774355
  • published18 Jul 2025
  • disclosed19 Jun 2025
  • creditYifan Zhang

Introduced: 19 Jun 2025

CVE-2025-6274  (opens in a new tab)
CWE-404  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Improper Resource Shutdown or Release via the OnDataCount function. An attacker can cause excessive resource consumption by providing specially crafted input to this function.

Note:

The issue is doubted by the maintainer at the moment as there is no evidence it might affect "real world wasm programs".

CVSS Base Scores

version 4.0
version 3.1