---
id: CVE-2026-24116
aliases:
  - RUSTSEC-2026-0006
  - GHSA-vc8c-j3xm-xj73
title: >-
  Wasmtime segfault or unused out-of-sandbox load with `f64.copysign` operator
  on x86-64
summary: >-
  Wasmtime segfault or unused out-of-sandbox load with `f64.copysign` operator
  on x86-64
severity: none
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 41.0.0, < 41.0.1'
patched:
  - wasmtime 41.0.1
published: '2026-01-26'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:13.559880161Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2026-0006'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2026-0006.html'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/commit/728fa07184f8da2a046f48ef9b61f869dce133a6
tags:
  - osv
  - rust
epss: 0.00249
epssPercentile: 0.15
ingestedAt: '2026-10-13T11:45:30.183Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vc8c-j3xm-xj73
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 41.0.0, < 41.0.1`

## Remediation

Upgrade to a patched release:

- `wasmtime 41.0.1`