Improper Check for Unusual or Exceptional Conditions Affecting bytecodealliance/wasm-micro-runtime package, versions [,2.4.4)
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-UNMANAGED-BYTECODEALLIANCEWASMMICRORUNTIME-14123046
- published26 Nov 2025
- disclosed25 Nov 2025
- creditQ1IQ
Introduced: 25 Nov 2025
NewCVE-2025-64704 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade bytecodealliance/wasm-micro-runtime to version 2.4.4 or higher.
Overview
Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions via the v128.store instruction. An attacker can cause a segmentation fault and disrupt normal execution by triggering improper handling of memory operations.