Out-of-bounds Read Affecting wasm-micro-runtime package, versions [0,]
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-CONAN-WASMMICRORUNTIME-14123045
- published26 Nov 2025
- disclosed25 Nov 2025
- creditZhenwei Jin
Introduced: 25 Nov 2025
NewCVE-2025-64713 (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?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the preserve_local_for_block function, when handling a sequence where a GET_GLOBAL(I32) opcode is followed by an if opcode in fast interpreter mode. An attacker can cause out-of-bounds access to the frame_offset_bottom array by crafting specific WebAssembly bytecode that manipulates stack cell numbers and triggers improper array expansion.