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A vulnerability was found in WebAssembly wabt up to 1.0...

Moderate severity Unreviewed Published Jun 19, 2025 to the GitHub Advisory Database • Updated Jun 19, 2025

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

A vulnerability was found in WebAssembly wabt up to 1.0.37 and classified as problematic. This issue affects the function LogOpcode of the file src/binary-reader-objdump.cc. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains that this issue might not affect "real world wasm programs".

References

Published by the National Vulnerability Database Jun 19, 2025
Published to the GitHub Advisory Database Jun 19, 2025
Last updated Jun 19, 2025

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(2nd percentile)

Weaknesses

Reachable Assertion

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Learn more on MITRE.

CVE ID

CVE-2025-6273

GHSA ID

GHSA-frwp-9m3q-pjc8

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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