CVE-2025-64704: WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR…
CVE-2025-64704 · Severity: medium · CVSS 4.7 · Published 2025-11-25
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-64704 being exploited in the wild.
How severe is CVE-2025-64704?
Medium severity, with a CVSS score of 4.7, published 25 November 2025.
Which products and versions are affected?
Bytecodealliance Webassembly Micro Runtime. The advisory does not name versions.
Is there a fix for CVE-2025-64704?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-64704?
Check whether you run Bytecodealliance Webassembly Micro Runtime. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.