---
id: CVE-2023-27477
aliases:
  - RUSTSEC-2023-0093
  - GHSA-xm67-587q-r2vw
title: Miscompilation of `i8x16.select` with the same inputs on x86\_64
summary: Miscompilation of `i8x16.select` with the same inputs on x86\_64
severity: low
cvss: 3.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 6.0.0, < 6.0.1'
patched:
  - wasmtime 6.0.1
published: '2023-03-03'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:06.812157033Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2023-0093'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2023-0093.html'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/commit/5dc2bbccbb363e474d2c9a1b8e38a89a43bbd5d1
tags:
  - osv
  - rust
epss: 0.00624
epssPercentile: 0.49701
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-xm67-587q-r2vw.
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 6.0.0, < 6.0.1`

## Remediation

Upgrade to a patched release:

- `wasmtime 6.0.1`