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CVE-2025-64713

5.1 · MEDIUM

WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime.

Published Nov 25, 2025CWE-119EPSS 0.33%

Overview

CVE-2025-64713 is a medium-severity vulnerability. It was published on November 25, 2025 and has a CVSS 3.1 base score of 5.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, an out-of-bounds array access issue exists in WAMR's fast interpreter mode during WASM bytecode loading. When frame_ref_bottom and frame_offset_bottom arrays are at capacity and a GET_GLOBAL(I32) opcode is encountered, frame_ref_bottom is expanded but frame_offset_bottom may not be. If this is immediately followed by an if opcode that triggers preserve_local_for_block, the function traverses arrays using stack_cell_num as the upper bound, causing out-of-bounds access to frame_offset_bottom since it wasn't expanded to match the increased stack_cell_num. This issue has been patched in version 2.4.4.

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/bytecodealliance/wasm-micro-runtime/releases/tag/WAMR-2.4.4GitHubgithub.com/bytecodealliance/wasm-micro-runtime/security/advisories/GHSA-gvx3-gg3x-rjcx

How CyberStrike helps

Frequently asked questions

What is CVE-2025-64713?

CVE-2025-64713 is a medium-severity vulnerability. It was published on November 25, 2025 and has a CVSS 3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2025-64713?

This vulnerability has a CVSS 3.1 base score of 5.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-64713?

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-2025-64713?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-64713 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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