---
id: CVE-2025-9479
title: >-
  Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a
  remote attacker to potentially exploit heap corruption via a crafted HTML page
summary: >-
  Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a
  remote attacker to potentially exploit heap corruption via a crafted HTML
  page. (Chromium security severity: Medium)
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'
cwe:
  - CWE-125
vendor: google
product: chrome
affected:
  - chrome < 133.0.6943.141
patched:
  - chrome 133.0.6943.141
published: '2025-11-14'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T17:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9479'
references:
  - url: >-
      https://chromereleases.googleblog.com/2025/02/stable-channel-update-for-desktop_25.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/390743124'
    label: chrome-cve-admin@google.com
tags:
  - nvd
epss: 0.00196
epssPercentile: 0.08311
ingestedAt: '2026-09-30T17:13:20.732Z'
---

## Overview

Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

## Affected

- `chrome < 133.0.6943.141`

## Remediation

Upgrade past the affected range:

- `chrome 133.0.6943.141`