Out-of-bounds read in wasm-micro-runtime - CVE-2025-64713
Published: April 24, 2026
Vulnerability identifier: #VU127501
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64713
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds read in frame_offset_bottom array in fast interpreter mode when loading WASM bytecode containing a GET_GLOBAL(I32) opcode immediately followed by an if opcode. A remote attacker can load a specially crafted WASM module to cause a denial of service.
Exploitation requires fast interpreter mode to be enabled.
Affected software
wasm-micro-runtime
How to mitigate CVE-2025-64713
Install security update from vendor's website.
wasm-micro-runtime - update to 2.4.3