---
id: CVE-2025-1930
title: >-
  On Windows, a compromised content process could use bad StreamData sent over
  AudioIPC to trigger a use-after-free in the Browser process
summary: >-
  On Windows, a compromised content process could use bad StreamData sent over
  AudioIPC to trigger a use-after-free in the Browser process. This could have
  led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox
  ESR 1…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-416
vendor: mozilla
product: firefox
affected:
  - firefox < 115.21.0
  - firefox < 136.0
  - 'firefox >= 116.0, < 128.8.0'
  - thunderbird < 128.8
  - 'thunderbird > 1.28.8, < 136.0'
patched:
  - firefox 128.8.0
  - thunderbird 136.0
published: '2025-03-04'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T19:10:01.007'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-1930'
references:
  - url: 'https://bugzilla.mozilla.org/show_bug.cgi?id=1902309'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2025-14/'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2025-15/'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2025-16/'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2025-17/'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2025-18/'
    label: security@mozilla.org
tags:
  - nvd
epss: 0.00401
epssPercentile: 0.3188
ingestedAt: '2026-09-30T19:21:07.226Z'
---

## Overview

On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

## Affected

- `firefox < 115.21.0`
- `firefox < 136.0`
- `firefox >= 116.0, < 128.8.0`
- `thunderbird < 128.8`
- `thunderbird > 1.28.8, < 136.0`

## Remediation

Upgrade past the affected range:

- `firefox 128.8.0`
- `thunderbird 136.0`