---
id: RUSTSEC-2026-0320
aliases:
  - GHSA-w4qr-p94g-mjhv
title: 'Wasmtime wasi:http implementation panics with a zero timeout supplied'
summary: 'Wasmtime wasi:http implementation panics with a zero timeout supplied'
severity: none
vendor: wasmtime-wasi-http
product: wasmtime-wasi-http
ecosystem: rust
affected:
  - 'wasmtime-wasi-http >= 49.0.0, < 49.0.2'
patched:
  - wasmtime-wasi-http 49.0.2
published: '2026-10-02'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T20:30:03.010054711Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2026-0320'
references:
  - url: 'https://crates.io/crates/wasmtime-wasi-http'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2026-0320.html'
  - url: 'https://github.com/bytecodealliance/wasmtime/pull/14483'
tags:
  - osv
  - rust
ingestedAt: '2026-10-03T07:26:10.038Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime-wasi-http >= 49.0.0, < 49.0.2`

## Remediation

Upgrade to a patched release:

- `wasmtime-wasi-http 49.0.2`