---
id: CVE-2026-24869
title: 'Use-after-free in the Layout: Scrolling and Overflow component'
summary: >-
  Use-after-free in the Layout: Scrolling and Overflow component. This
  vulnerability was fixed in Firefox 147.0.2.
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
  - CWE-416
vendor: mozilla
product: firefox
affected:
  - firefox < 147.0.2
patched:
  - firefox 147.0.2
published: '2026-01-27'
updated: '2026-06-30'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-24869'
references:
  - url: 'https://bugzilla.mozilla.org/show_bug.cgi?id=2008698'
    label: security@mozilla.org
  - url: 'https://www.mozilla.org/security/advisories/mfsa2026-06/'
    label: security@mozilla.org
  - url: 'https://access.redhat.com/security/cve/CVE-2026-24869'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2433424'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24869.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
tags:
  - nvd
epss: 0.00241
epssPercentile: 0.15562
ingestedAt: '2026-06-30T17:40:12.471Z'
---

## Overview

Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.

## Affected

- `firefox < 147.0.2`

## Remediation

Upgrade past the affected range:

- `firefox 147.0.2`