CVE-2025-64704

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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-754

Published

2025-11-25

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• bytecodealliance:webassembly_micro_runtime

References

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

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