SB2026042475 - Out-of-bounds read in wasm-micro-runtime
Published: April 24, 2026
Security Bulletin ID
SB2026042475
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-64713)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.