CVE-2024-0519KEV · OVERDUE

Google Chromium V8 Out-of-Bounds Memory Access Vulnerability

High · published January 16, 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 90.0th percentile for exploit probability.

989
days past CISA
deadline
CVSS v3.1
8.8
EPSS
4%
Percentile
90.0
In the wild
Confirmed
What it is

🚨 A sneaky out-of-bounds memory access in V8 could lead to heap corruption through a crafted HTML page! 🔥 Think of this like a waiter at a restaurant who delivers your meal but accidentally spills soup all over the customer at the next table. This vulnerability allows an attacker to exploit memory mishaps in the browser as easily as that waiter can mess up an order. If successfully exploited, an attacker could corrupt memory, leading to crashes or even arbitrary code execution on the victim’s machine. This could mean unauthorized access to sensitive data or full control over the compromised device, which is absolutely devastating!

Put simply

Think of this like a waiter at a restaurant who delivers your meal but accidentally spills soup all over the customer at the next table. This vulnerability allows an attacker to exploit memory mishaps in the browser as easily as that waiter can mess up an order. The vulnerability arises from improper handling of memory allocations within the V8 engine in Google Chrome versions prior to 120.0.6099.224, allowing an attacker to potentially exploit heap corruption via a specially crafted HTML page.

What to do

If successfully exploited, an attacker could corrupt memory, leading to crashes or even arbitrary code execution on the victim’s machine. This could mean unauthorized access to sensitive data or full control over the compromised device, which is absolutely devastating! Update Google Chrome to version 120.0.6099.224 or later immediately. Ensure your browsers stay up to date to protect against such exploits in the future. Always be cautious with unknown or untrusted web content! You've got this! Update your browser 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
0.03802 · 90.0th percentile
Published
2024-01-16T21:14Z
KEV added
2024-01-17 · due 2024-02-07
EPSS history
Timeline
  • 17 JAN 00:00Z
    Added to CISA KEV — remediate by Feb 7
    kev
  • 16 JAN 21:14Z
    Out of bounds memory access in V8 in Google Chrome prior to 120.0.6099.224 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…
    cvelistv5