CVE-2023-31670

HIGH

wasm2c/wasm2wat/wasm-decompile/wasm-validate <1.0.32 - DoS

Title source: llm

Description

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.

References (1)

Core 1

Core References

Exploit, Issue Tracking, Vendor Advisory

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

Scores

CVSS v3 7.5

EPSS 0.0026

EPSS Percentile 49.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

Status published

Products (1)

webassembly/webassembly_binary_toolkit 1.0.32

Published May 23, 2023

Tracked Since Feb 18, 2026