CVE-2025-9132

Published Aug 20, 2025

Last updated 20 hours ago

CVSS high 8.8
Google Chrome V8

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-9132 is a high-severity vulnerability affecting Google Chrome's V8 JavaScript engine. It is classified as an out-of-bounds write issue, meaning that the program can write data beyond the allocated memory buffer. This can lead to memory corruption and allow attackers to gain unauthorized control over system processes. The vulnerability was discovered by Google's Big Sleep AI on August 4, 2025. Successful exploitation of CVE-2025-9132 could allow attackers to execute arbitrary code remotely, bypass Chrome's security sandbox, access sensitive user data, or cause a denial-of-service condition by crashing the browser. The vulnerability affects Chrome versions before 139.0.7258.138 for Windows and macOS, and 139.0.7258.138 for Linux. Google has released an emergency security update to address the vulnerability.

Description
Out of bounds write in V8 in Google Chrome prior to 139.0.7258.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Source
chrome-cve-admin@google.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

chrome-cve-admin@google.com
CWE-787
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-787

Social media

Hype score is a measure of social media activity compared against trending CVEs from the past 12 months. Max score 100.

Hype score

30

  1. Google Chrome 139 fixes a critical out-of-bounds write flaw in the V8 JavaScript engine (CVE-2025-9132) discovered by Big Sleep AI from Google DeepMind and Project Zero. Affects Windows, macOS, and Linux. #V8Engine #BigSleepAI #USA https://t.co/E69JxLNTcP

    @TweetThreatNews

    20 Aug 2025

    31 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  2. A critical remote code execution flaw CVE-2025-9132 was found in Chrome’s V8 engine, allowing memory corruption and sandbox escape. Update to Chrome 139.0.7258.138+ to patch this risk. #ChromeUpdate #V8Engine #Google https://t.co/45UChaxxTS

    @TweetThreatNews

    20 Aug 2025

    62 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  3. 🚨 Critical Chrome update! Google patched a high-severity V8 engine vulnerability (CVE-2025-9132) allowing RCE & browser crashes. Sec pros, update your browsers immediately to stay safe! Don't let this slide. 🛡️ #ChromeSecurity #Vulnerability #InfoSec https://t.co/kv5

    @fernandokarl

    20 Aug 2025

    67 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  4. Heads up, #CyberSecurity pros! 🚨 Google issued an EMERGENCY Chrome update for CVE-2025-9132, a critical 'out-of-bounds write' in V8 JS allowing arbitrary code execution. Patch NOW to v139.0.7258.138/.139! Protect your systems from this severe threat. 🔒 https://t.co/2oICCJzU

    @fernandokarl

    20 Aug 2025

    23 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  5. Looks like the high risk V8 bug (CVE-2025-9132) found by Big Sleep AI was an OOB write: https://t.co/C5zbm8H6k5 https://t.co/L0Jdyf1JHS

    @alexjplaskett

    20 Aug 2025

    5013 Impressions

    12 Retweets

    64 Likes

    34 Bookmarks

    0 Replies

    0 Quotes

  6. Woah... (CVE-2025-9132)[436181695][explicit-resource-management]OOBW https://t.co/m6iFoERecX https://t.co/Dkkx5VPSEM PoC: https://t.co/ABbi8ZqDDI Reported by Google Big Sleep

    @xvonfers

    19 Aug 2025

    4592 Impressions

    15 Retweets

    57 Likes

    28 Bookmarks

    1 Reply

    1 Quote

  7. https://t.co/CrwHmH2lI2 [N/A][436181695] High CVE-2025-9132: Out of bounds write in V8. Reported by Google Big Sleep on 2025-08-04 TL;DR: Repro extremely short, bug very easily exploitable for a renderer RCE. Big Sleep is interesting indeed :)

    @0x10n

    19 Aug 2025

    8804 Impressions

    20 Retweets

    126 Likes

    46 Bookmarks

    0 Replies

    2 Quotes