Is CVE-2024-34251 actively exploited?

CVE-2024-34251 has no public evidence of in-the-wild exploitation as of 2025-06-13.

What is the CVSS score for CVE-2024-34251?

CVE-2024-34251 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2024-34251?

Patch guidance is available from bytecodealliance security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2024-34251.

Which products are affected by CVE-2024-34251?

1 product: bytecodealliance webassembly micro runtime.

Fix CVE-2024-34251 - HIGH | CVEDatabase.com

Description

An out-of-bound memory read vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause a denial of service via the "block_type_get_arity" function in core/iwasm/interpreter/wasm.h.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: BYTECODEALLIANCE
Published: 5/6/2024
Last Modified: 6/13/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

bytecodealliance : webassembly_micro_runtime

Remediation Guidance

Executive Summary

Cite this page

CVE-2024-34251. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2024-34251

View on NIST NVD

CVE-2024-34251 vulnerability