CVE-2025-6273

3.3 LOW
Published: June 19, 2025 Modified: January 06, 2026

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".

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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:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/WebAssembly/wabt/issues/2574
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://vuldb.com/?ctiid.313277
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.313277
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.593010
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://github.com/WebAssembly/wabt/issues/2574
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Issue Tracking Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.3 / 10.0
EPSS (Exploit Probability)
0.0%
6th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

webassembly