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CVE-2025-14957

3.3 · LOW

A vulnerability was identified in WebAssembly Binaryen up to 125.

Published Dec 19, 2025CWE-404EPSS 0.21%

Overview

CVE-2025-14957 is a low-severity vulnerability. It was published on December 19, 2025 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder::makeLocalTee of the file src/wasm/wasm-ir-builder.cpp of the component IRBuilder. Such manipulation of the argument Index leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 6fb2b917a79578ab44cf3b900a6da4c27251e0d4. Applying a patch is advised to resolve this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/WebAssembly/binaryen/GitHubgithub.com/WebAssembly/binaryen/commit/6fb2b917a79578ab44cf3b900a6da4c27251e0d4GitHubgithub.com/WebAssembly/binaryen/issues/8090GitHubgithub.com/WebAssembly/binaryen/pull/8099GitHubgithub.com/oneafter/1204/blob/main/af1Refvuldb.com/?ctiid.337593Refvuldb.com/?id.337593Refvuldb.com/?submit.717317Refvuldb.com/?submit.717319

How CyberStrike helps

Frequently asked questions

What is CVE-2025-14957?

CVE-2025-14957 is a low-severity vulnerability. It was published on December 19, 2025 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2025-14957?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-14957?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-14957?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-14957 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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