CVE-2025-64704 MEDIUM

CVE-2025-64704: WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction

Vendor Bytecodealliance
Product wasm-micro-runtime
Weakness CWE-754
Published November 25, 2025
Last update November 26, 2025
View on NVD All CVEs

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR is susceptible to a segmentation fault in v128.store instruction. This issue has been patched in version 2.4.4.

Key dates

02Disclosure timeline

November 25, 2025 CVE published
November 26, 2025 Record updated