CVE-2024-34251

Name: CVE-2024-34251
Creator: NVD / NIST
Published: 2024-05-06T16:15:14.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2024-34251 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.76%

50.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Bytecodealliance	Webassembly Micro Runtime	2.0.0

References

https://github.com/bytecodealliance/wasm-micro-runtime/issues/3347Exploit, Issue Tracking
https://github.com/bytecodealliance/wasm-micro-runtime/issues/3347Exploit, Issue Tracking

Timeline

Published: May 6, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-34251?

How severe is CVE-2024-34251?

CVE-2024-34251 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2024-34251?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-34251?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST