CVE-2025-64704

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

Published Nov 25, 2025 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Bytecodealliance
Bytecodealliance webassembly Micro Runtime
Vendors & Products Bytecodealliance
Bytecodealliance webassembly Micro Runtime
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction
Weaknesses CWE-754
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 26, 2025, 4:03 PM
Reserved
Nov 10, 2025, 2:07 PM
Status
Analyzed
Published
Nov 25, 2025, 11:15 PM
Modified
Oct 18, 2026, 8:10 PM