CVE-2025-64704

WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction

State: Published
Severity: 4.7 Medium
Published: Nov 25, 2025
Updated: Nov 26, 2025
Reserved: Nov 10, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

Product	Versions
wasm-micro-runtimebytecodealliance	< 2.4.4Affected

References

https://github.com/bytecodealliance/wasm-micro-runtime/security/advisories/GHSA-2f2p-wf5w-82qr
https://github.com/bytecodealliance/wasm-micro-runtime/releases/tag/WAMR-2.4.4

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