---
id: CVE-2025-53901
aliases:
  - RUSTSEC-2025-0046
  - GHSA-fm79-3f68-h2fc
title: Host panic with `fd_renumber` WASIp1 function
summary: Host panic with `fd_renumber` WASIp1 function
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 34.0.0, < 34.0.2'
patched:
  - wasmtime 34.0.2
published: '2025-07-18'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T18:00:06.810612130Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2025-0046'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2025-0046.html'
  - url: 'https://github.com/bytecodealliance/wasmtime/pull/11277'
tags:
  - osv
  - rust
epss: 0.00354
epssPercentile: 0.27237
ingestedAt: '2026-10-13T11:45:30.178Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-fm79-3f68-h2fc.
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 34.0.0, < 34.0.2`

## Remediation

Upgrade to a patched release:

- `wasmtime 34.0.2`