---
id: CVE-2022-39394
aliases:
  - RUSTSEC-2022-0097
  - GHSA-h84q-m8rr-3v9q
title: Out of bounds write in `wasmtime_trap_code` C API function
summary: Out of bounds write in `wasmtime_trap_code` C API function
severity: low
cvss: 3.8
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 2.0.0, < 2.0.2'
patched:
  - wasmtime 2.0.2
published: '2022-11-07'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:06.112472830Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2022-0097'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2022-0097.html'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/commit/087d9d7becf7422b3f872a3bcd5d97bb7ce7ff36
tags:
  - osv
  - rust
epss: 0.00354
epssPercentile: 0.28952
ingestedAt: '2026-10-13T11:45:30.160Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-h84q-m8rr-3v9q.
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 2.0.0, < 2.0.2`

## Remediation

Upgrade to a patched release:

- `wasmtime 2.0.2`