---
id: CVE-2024-47763
aliases:
  - RUSTSEC-2024-0440
  - GHSA-q8hx-mm92-4wvg
  - PYSEC-2024-312
title: Runtime crash when combining tail calls with stack traces
summary: Runtime crash when combining tail calls with stack traces
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 25.0.0, < 25.0.2'
patched:
  - wasmtime 25.0.2
published: '2024-10-02'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:12.401924404Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2024-0440'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2024-0440.html'
  - url: 'https://github.com/bytecodealliance/wasmtime/pull/6774'
tags:
  - osv
  - rust
epss: 0.00245
epssPercentile: 0.15586
ingestedAt: '2026-10-13T11:45:30.174Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q8hx-mm92-4wvg.
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 25.0.0, < 25.0.2`

## Remediation

Upgrade to a patched release:

- `wasmtime 25.0.2`