CVE-2024-7971KEV · OVERDUECWE-843

Google Chromium V8 Type Confusion Vulnerability

High · published August 21, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 97.6th percentile for exploit probability.

767
days past CISA
deadline
CVSS v3.1
8.8
EPSS
21%
Percentile
97.6
In the wild
Confirmed
What it is

🚨 A crafty HTML page is the gateway here—triggering type confusion in V8 allows remote attackers to exploit heap corruption! This isn't just theoretical; it's a serious threat to your browsing experience! ⚡ Think of it as a chef who misreads a recipe, substituting ingredients that lead to a disastrous dish. This type confusion in the V8 engine is like that chef mixing up flour with salt—everything can go wrong if someone serves it up! An attacker could exploit this vulnerability to cause unpredictable behavior in the browser, leading to crashes or, even worse, executing arbitrary code. This can expose your data or allow for complete system compromise—absolutely devastating!

Put simply

Think of it as a chef who misreads a recipe, substituting ingredients that lead to a disastrous dish. This type confusion in the V8 engine is like that chef mixing up flour with salt—everything can go wrong if someone serves it up! In Google Chrome prior to version 128.0.6613.84, type confusion in the V8 JavaScript engine allows an attacker to manipulate how memory is handled, resulting in heap corruption via a crafted HTML page.

What to do

An attacker could exploit this vulnerability to cause unpredictable behavior in the browser, leading to crashes or, even worse, executing arbitrary code. This can expose your data or allow for complete system compromise—absolutely devastating! Update Google Chrome immediately to version 128.0.6613.84 or later to patch this vulnerability. Additionally, ensure that any automated systems that use Chrome are updated as well! You’ve got this! Stay vigilant and keep your browser secure! 🛡️

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
0.21103 · 97.6th percentile
Weakness
CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')
Published
2024-08-21T20:20Z
KEV added
2024-08-26 · due 2024-09-16
EPSS history
Timeline
  • 26 AUG 00:00Z
    Added to CISA KEV — remediate by Sep 16
    kev
  • 21 AUG 20:20Z
    Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page
    cvelistv5