CVE-2024-4671KEV · OVERDUE

Google Chromium Visuals Use-After-Free Vulnerability

Critical · published May 9, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.6. It is confirmed in active exploitation. It sits in the 94.9th percentile for exploit probability.

873
days past CISA
deadline
CVSS v3.1
9.6
EPSS
8%
Percentile
94.9
In the wild
Confirmed
What it is

🚨 A sneaky use-after-free issue in Google Chrome could let an attacker break out of the sandbox with just a crafted HTML page! 🔥 Imagine your favorite superhero being trapped in a room that's supposed to keep them safe, but a little slip-up in the design allows a villain to sneak in through a secret tunnel. That's exactly how this vulnerability works – it exploits a flaw in Chrome's protective measures, letting attackers escape the confines of their secure environment. If exploited, a malicious actor could execute arbitrary code on the user's machine, potentially gaining access to sensitive data or executing harmful instructions. This could lead to devastating consequences, including data theft or further system compromise. Your security is at risk, and immediate action is crucial!

Put simply

Imagine your favorite superhero being trapped in a room that's supposed to keep them safe, but a little slip-up in the design allows a villain to sneak in through a secret tunnel. That's exactly how this vulnerability works – it exploits a flaw in Chrome's protective measures, letting attackers escape the confines of their secure environment. This vulnerability arises from a use-after-free condition in Chrome's visuals, which allows for unauthorized memory access after a resource has been freed. By crafting a specific HTML page, a remote attacker can manipulate the renderer process, leading to a potential sandbox escape.

What to do

If exploited, a malicious actor could execute arbitrary code on the user's machine, potentially gaining access to sensitive data or executing harmful instructions. This could lead to devastating consequences, including data theft or further system compromise. Your security is at risk, and immediate action is crucial! Update Google Chrome to version 124.0.6367.201 or later immediately to patch this vulnerability. If you manage deployments, ensure that all users are running the latest version of Chrome to protect against this critical risk. Regularly check for updates to safeguard your environment. You’ve got this! With these updates, you’ll keep your system safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08348 · 94.9th percentile
Published
2024-05-09T23:54Z
KEV added
2024-05-13 · due 2024-06-03
EPSS history
Timeline
  • 13 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 3
    kev
  • 09 MAY 23:54Z
    Use after free in Visuals in Google Chrome prior to 124.0.6367.201 allowed a remote attacker who had compromised the renderer process to potentially perform a…
    cvelistv5