CVE-2024-0808

Integer underflow in WebUI in Google Chrome prior to 121.0.6167.85 allowed a remote attacker to potentially exploit heap corruption via a malicious file

Critical · published January 23, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
45.1
In the wild
Unconfirmed
What it is

🔥 A sneaky integer underflow in Google Chrome could let attackers exploit heap corruption with just one malicious file! Picture a delivery error where a package arrives with a broken seal, allowing anyone to peek inside — that’s essentially what this vulnerability does to your browser's memory! An attacker could manipulate your browser’s memory, potentially allowing them to execute arbitrary code. This could lead to full control of your system, stealing sensitive data, or causing all sorts of chaos! The stakes are high, and a breach could be absolutely devastating.

Put simply

Picture a delivery error where a package arrives with a broken seal, allowing anyone to peek inside — that’s essentially what this vulnerability does to your browser's memory! The integer underflow in the WebUI allows for heap corruption, meaning a carefully crafted input could lead to unpredictable behavior and exploitation. This flaw exists in versions of Google Chrome prior to 121.0.6167.85.

What to do

An attacker could manipulate your browser’s memory, potentially allowing them to execute arbitrary code. This could lead to full control of your system, stealing sensitive data, or causing all sorts of chaos! The stakes are high, and a breach could be absolutely devastating. Update Google Chrome immediately to version 121.0.6167.85 or later to close this vulnerability. Audit your systems to ensure all instances are running the latest version. Don't forget to inform your team about these critical updates! You've got this! Stay vigilant, keep your software updated, and you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00548 · 45.1th percentile
Published
2024-01-23T23:52Z
EPSS history
Timeline
  • 23 JAN 23:52Z
    Integer underflow in WebUI in Google Chrome prior to 121.0.6167.85 allowed a remote attacker to potentially exploit heap corruption via a malicious file
    cvelistv5