What’s Vulnerable › Vulnerabilities

CVE-2023-31670

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-23 · updated 2026-06-17

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.

Affected products

• Webassembly Binary Toolkit: 1.0.32

References

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

Get alerted when CVE-2023-31670 or the next vulnerability affects your stack