# CVE-2023-31670: wabt: 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...

CVE-2023-31670 is fixed in wabt on 1 platform, first by DEBIAN-CVE-2023-31670, released May 23, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-31670
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0083
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 23, 2023

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | wabt Debian 13.5 (trixie) | 1.0.33-1 | [DEBIAN-CVE-2023-31670](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31670.md) | May 23, 2023 |
| Linux | wabt Debian 14 | 1.0.33-1 | [DEBIAN-CVE-2023-31670](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31670.md) | May 23, 2023 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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