CVE-2023-31670

7.5 highEPSS 0.8%

High (7.5) in webassembly webassembly binary toolkit. EPSS 0.8% chance of exploitation in the next 30 days.

An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
Published: 2023-05-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

webassembly:webassembly_binary_toolkit

References

https://github.com/WebAssembly/wabt/issues/2199
https://github.com/WebAssembly/wabt/issues/2199

Check your stack JSON