---
id: RUSTSEC-2026-0223
aliases:
  - GHSA-2hw9-mc66-jc2q
title: Preemption and traps during bulk operations enable breaking internal VM state
summary: Preemption and traps during bulk operations enable breaking internal VM state
severity: none
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 47.0.0, < 47.0.3'
patched:
  - wasmtime 47.0.3
published: '2026-07-31'
updated: '2026-07-31'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2026-0223'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2026-0223.html'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2hw9-mc66-jc2q
tags:
  - osv
  - rust
ingestedAt: '2026-07-31T19:10:08.337Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2hw9-mc66-jc2q
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 47.0.0, < 47.0.3`

## Remediation

Upgrade to a patched release:

- `wasmtime 47.0.3`