Security Resilience

CVE-2023-31670

Webassembly Binary Toolkit 1.0.32

Public PoC
Published
23 May 2023
Modified
31 January 2025
Patch / advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0083 57th percentile
Risk Priority 59 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-31670 is a high-severity an unspecified weakness vulnerability in Webassembly Webassembly Binary Toolkit. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 43% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability Data

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.

CWE(s)

Related Threats

CVEs Like This One

CVE-2023-46331Same product: Webassembly Webassembly Binary Toolkit
CVE-2025-3122Same product: Webassembly Webassembly Binary Toolkit
CVE-2023-31669Same product: Webassembly Webassembly Binary Toolkit
CVE-2023-46332Same product: Webassembly Webassembly Binary Toolkit
CVE-2025-6274Same vendor: Webassembly
CVE-2025-14957Same vendor: Webassembly
CVE-2026-8257Same vendor: Webassembly
CVE-2023-27117Same vendor: Webassembly
CVE-2025-15411Same vendor: Webassembly
CVE-2023-27119Same vendor: Webassembly

Affected Assets

webassembly
webassembly binary toolkit
1.0.32

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References