---
id: CVE-2023-41880
aliases:
  - RUSTSEC-2023-0091
  - GHSA-gw5p-q8mj-p7gh
title: >-
  Miscompilation of wasm `i64x2.shr_s` instruction with constant input on
  x86\_64
summary: >-
  Miscompilation of wasm `i64x2.shr_s` instruction with constant input on
  x86\_64
severity: low
cvss: 2.2
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 12.0.0, < 12.0.2'
patched:
  - wasmtime 12.0.2
published: '2023-09-05'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:06.813983150Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2023-0091'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2023-0091.html'
  - url: 'https://github.com/bytecodealliance/wasmtime/pull/6372'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-gw5p-q8mj-p7gh
  - url: >-
      https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-gw5p-q8mj-p7gh#:~:text=Mailing%20list%20announcement
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-41880'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/commit/8d7eda15b0badcbea83a7aac2d08f80788b59240
  - url: >-
      https://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.wasm_simd
  - url: 'https://github.com/bytecodealliance/wasmtime'
tags:
  - osv
  - rust
epss: 0.00672
epssPercentile: 0.51883
ingestedAt: '2026-07-09T18:56:37.306Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-gw5p-q8mj-p7gh.
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 12.0.0, < 12.0.2`

## Remediation

Upgrade to a patched release:

- `wasmtime 12.0.2`