CVE-2025-13720CWE-704

CVE-2025-13720

High · published December 3, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
18.2
In the wild
Unconfirmed
What it is

⚡ A crafty HTML page could exploit heap corruption in Google Chrome versions prior to 143.0.7499.41, turning an innocent click into a potential security nightmare! 🎭 Think of this as a magician's trick gone wrong — an illusion meant to amaze can quickly become a disaster if the audience gets too involved. When the 'renderer' process is compromised, it’s like letting a sneaky magician control the show instead of just watching it! An attacker could wreak havoc, potentially corrupting data or crashing the browser, leaving users vulnerable! If a malicious site is visited, it could even allow remote code execution, leading to unauthorized access to sensitive information. Yikes!

Put simply

Think of this as a magician's trick gone wrong — an illusion meant to amaze can quickly become a disaster if the audience gets too involved. When the 'renderer' process is compromised, it’s like letting a sneaky magician control the show instead of just watching it! This vulnerability stems from a bad cast in the Loader component of Google Chrome, allowing an attacker to exploit heap corruption through a specially crafted HTML page after compromising the renderer process.

What to do

An attacker could wreak havoc, potentially corrupting data or crashing the browser, leaving users vulnerable! If a malicious site is visited, it could even allow remote code execution, leading to unauthorized access to sensitive information. Yikes! To protect yourself, update Google Chrome immediately to version 143.0.7499.41 or later. Regularly check for updates and consider implementing additional security measures such as browser isolation. Stay vigilant! You've got this! Patch those browsers and keep surfing safely! 🛡️

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
0.00270 · 18.2th percentile
Weakness
CWE-704 · Incorrect Type Conversion or Cast
Published
2025-12-03T00:15Z
Affected products (2)
ProductVersionsFixed in
google/chrome< 143.0.7499.40143.0.7499.40
google/chrome< 143.0.7499.41143.0.7499.41
References (2)
EPSS history
Timeline
  • 02 DEC 19:00Z
    Bad cast in Loader in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who had compromised the renderer process to potentially exploit heap…
    cvelistv5