---
id: CVE-2025-15413
title: A vulnerability was detected in wasm3 up to 0.5.0
summary: >-
  A vulnerability was detected in wasm3 up to 0.5.0. Impacted is the function
  op_SetSlot_i32/op_CallIndirect of the file m3_exec.h. Performing a
  manipulation results in memory corruption. The attack needs to be approached
  locally. The expl…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-119
  - CWE-787
vendor: wasm3_project
product: wasm3
affected:
  - wasm3 <= 0.5.0
published: '2026-01-01'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T19:10:00.297'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15413'
references:
  - url: 'https://github.com/wasm3/wasm3/'
    label: cna@vuldb.com
  - url: 'https://github.com/wasm3/wasm3/issues/543'
    label: cna@vuldb.com
  - url: 'https://github.com/wasm3/wasm3/issues/547'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.339334'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.339334'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.719829'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.719831'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00203
epssPercentile: 0.09629
ingestedAt: '2026-10-14T19:49:57.538Z'
---

## Overview

A vulnerability was detected in wasm3 up to 0.5.0. Impacted is the function op_SetSlot_i32/op_CallIndirect of the file m3_exec.h. Performing a manipulation results in memory corruption. The attack needs to be approached locally. The exploit is now public and may be used. Unfortunately, the project has no active maintainer at the moment.

## Affected

- `wasm3 <= 0.5.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.