CVE-2025-12036CWE-125

CVE-2025-12036

High · published November 7, 2025

CVSS v3.1
8.8
EPSS
4%
Percentile
89.7
In the wild
Unconfirmed
What it is

🚨 A crafty HTML page can lead to an out-of-bounds memory access in V8, the heart of Google Chrome, before version 141.0.7390.122! ⚡ Think of this as a waiter serving meals from the wrong table, accidentally grabbing dishes from the kitchen meant for other guests. In this case, the browser is reaching into memory spaces it shouldn't be, which can lead to unintended consequences. An attacker could exploit this vulnerability to manipulate memory, potentially leading to crashes or even unauthorized data access. Imagine an intruder sneakily taking a peek at someone else's order, which could compromise sensitive information without the user even knowing!

Put simply

Think of this as a waiter serving meals from the wrong table, accidentally grabbing dishes from the kitchen meant for other guests. In this case, the browser is reaching into memory spaces it shouldn't be, which can lead to unintended consequences. This vulnerability occurs due to improper handling of memory accesses in the V8 engine, allowing attackers to run arbitrary code or gain access to restricted memory areas through specially crafted HTML content.

What to do

An attacker could exploit this vulnerability to manipulate memory, potentially leading to crashes or even unauthorized data access. Imagine an intruder sneakily taking a peek at someone else's order, which could compromise sensitive information without the user even knowing! Update Google Chrome to version 141.0.7390.122 or later as soon as possible to close this security gap. Additionally, consider implementing strict Content Security Policies to further mitigate risks from malicious content. You've got this! With these updates, you're one step closer to being a security champion! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03716 · 89.7th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2025-11-07T04:15Z
Affected products (2)
ProductVersionsFixed in
google/chrome< 142.0.7444.59142.0.7444.59
google/chrome< 142.0.7444.60142.0.7444.60
References (2)
EPSS history
Timeline
  • 06 NOV 22:24Z
    Out of bounds memory access in V8 in Google Chrome prior to 141.0.7390.122 allowed a remote attacker to perform out of bounds memory access via a crafted HTML…
    cvelistv5