CVE-2021-21106

Use after free in autofill in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a…

published January 8, 2021

CVSS
—
EPSS
2%
Percentile
82.9
In the wild
Unconfirmed
What it is

⚠️ A crafty use after free vulnerability could let a remote attacker escape the Chrome sandbox if they compromise the renderer process! 🔍 Think of it like a chef who leaves the kitchen door ajar while whipping up a fancy dish. If someone sneaks in while they’re distracted, they might grab the secret recipe and use it to whip up trouble elsewhere! With this vulnerability, an attacker could potentially break free from the confines of the Chrome sandbox, allowing them to execute malicious actions on the user's system. This could lead to unauthorized access or control, making it a surprisingly sneaky way for attackers to harm users without their knowledge.

Put simply

Think of it like a chef who leaves the kitchen door ajar while whipping up a fancy dish. If someone sneaks in while they’re distracted, they might grab the secret recipe and use it to whip up trouble elsewhere! This vulnerability stems from a use after free issue in the autofill feature of Google Chrome versions prior to 87.0.4280.141, allowing an attacker to manipulate the renderer process and possibly execute code outside the sandbox environment.

What to do

With this vulnerability, an attacker could potentially break free from the confines of the Chrome sandbox, allowing them to execute malicious actions on the user's system. This could lead to unauthorized access or control, making it a surprisingly sneaky way for attackers to harm users without their knowledge. To protect yourself, update Google Chrome to version 87.0.4280.141 or later as soon as possible. Regularly check for updates to stay ahead of any security vulnerabilities! You've got this! Just follow the update steps and you'll keep your browser safe in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02266 · 82.9th percentile
Published
2021-01-08T17:56Z
EPSS history
Timeline
  • 08 JAN 17:56Z
    Use after free in autofill in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a…
    cvelistv5