Integer overflow in Bytecodealliance Wasm-micro-runtime
CVE-2025-58749
WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. In WAMR versions prior to 2.4.2, when running in LLVM-JIT mode, the runtime cannot exit normally when executing WebAssembly programs containing a memo…
Vulnerability class: Integer Overflow
EPSS: 0.003 (26.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-58749?
- CVE-2025-58749 is a medium-severity vulnerability in Bytecodealliance Wasm-micro-runtime, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2025-09-16.
- How severe is CVE-2025-58749?
- Medium severity. CVSS v3 base score is 5.3 out of 10.