Which versions of Webassembly Binary Toolkit are affected by CVE-2025-3122?

CVE-2025-3122 is a low-severity vulnerability in A vulnerability classified as problematic (CVSS 2.3).

Is there a public PoC exploit available for CVE-2025-3122?

Yes, a public proof-of-concept exploit is available for CVE-2025-3122. Prioritise patching immediately. EPSS: 0.8%.

How to fix or mitigate CVE-2025-3122?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Webassembly Binary Toolkit CVE-2025-3122

Q: What is the CVSS score of CVE-2025-3122?

CVE-2025-3122 has a CVSS 4.0 base score of 2.3 (Low). CVSS vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.8%.

LOW

Improper Resource Shutdown or Release (CWE-404)

2025-04-02 cna@vuldb.com

Denial Of Service Webassembly Binary Toolkit Webassembly

2.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.3 LOW

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

PoC Detected

Sep 23, 2025 - 16:54 vuln.today

Public exploit code

CVE Published

Apr 02, 2025 - 22:15 nvd

LOW 2.3

DescriptionCVE.org

A vulnerability classified as problematic was found in WebAssembly wabt 1.0.36. Affected by this vulnerability is the function BinaryReaderInterp::BeginFunctionBody of the file src/interp/binary-reader-interp.cc. The manipulation leads to null pointer dereference. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability classified as problematic was found in WebAssembly wabt 1.0.36. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-404. A vulnerability classified as problematic was found in WebAssembly wabt 1.0.36. Affected by this vulnerability is the function BinaryReaderInterp::BeginFunctionBody of the file src/interp/binary-reader-interp.cc. The manipulation leads to null pointer dereference. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Affected products include: Webassembly Webassembly Binary Toolkit.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.