---
id: CVE-2023-30624
aliases:
  - RUSTSEC-2023-0092
  - GHSA-ch89-5g45-qwc7
title: Undefined Behavior in Rust runtime functions
summary: Undefined Behavior in Rust runtime functions
severity: low
cvss: 3.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 8.0.0, < 8.0.1'
patched:
  - wasmtime 8.0.1
published: '2023-04-21'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:02.670611170Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2023-0092'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2023-0092.html'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/commit/0977952dcd9d482bff7c288868ccb52769b3a92e
tags:
  - osv
  - rust
epss: 0.0045
epssPercentile: 0.38884
ingestedAt: '2026-10-13T11:45:30.163Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-ch89-5g45-qwc7.
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 8.0.0, < 8.0.1`

## Remediation

Upgrade to a patched release:

- `wasmtime 8.0.1`