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WebAssembly Micro Runtime frame_offset_bottom array bounds overflow in fast Interpreter mode when handling GET_GLOBAL(I32) followed by if opcode — CVE-2025-64713

Date
Source
MSRC
Vendor
Microsoft
Threat
medium
CVSS
5.1

Summary

Advisory CVE-2025-64713. WebAssembly Micro Runtime frame_offset_bottom array bounds overflow in fast Interpreter mode when handling GET_GLOBAL(I32) followed by if… Vendor: Microsoft. Source: MSRC. Threat: medium. CVSS 5.1. See the…

What to do

General, cautious steps (verify details in the official source):

  • Review exposure and plan remediation based on risk and environment.
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

Related advisories

Microsoft MSRC 2025-W46