CVE-2020-16011

Heap buffer overflow in UI in Google Chrome on Windows prior to 86.0.4240.183 allowed a remote attacker who had compromised the renderer process to potentially…

published November 3, 2020

CVSS
—
EPSS
2%
Percentile
84.0
In the wild
Unconfirmed
What it is

⚡ A crafty crafted HTML page can lead to some unexpected trouble! In Google Chrome versions before 86.0.4240.183, a heap buffer overflow creates a sneaky chance for remote attackers to jump out of their sandbox. 🔥 Think of it like a magician's assistant who finds a secret trapdoor to escape the stage mid-performance. What should be a controlled environment suddenly lets the assistant roam free, performing tricks without the magician's say-so! If exploited, this vulnerability could allow an attacker to break free from the renderer process's confines, potentially taking control of the system or accessing sensitive data. While no known exploits are reported yet, the possibility of a sandbox escape makes it a recipe for disaster!

Put simply

Think of it like a magician's assistant who finds a secret trapdoor to escape the stage mid-performance. What should be a controlled environment suddenly lets the assistant roam free, performing tricks without the magician's say-so! This vulnerability is a heap buffer overflow in the user interface of Google Chrome on Windows, permitting attackers to craft malicious HTML that can manipulate memory layout, leading to unintentional access outside the intended execution environment.

What to do

If exploited, this vulnerability could allow an attacker to break free from the renderer process's confines, potentially taking control of the system or accessing sensitive data. While no known exploits are reported yet, the possibility of a sandbox escape makes it a recipe for disaster! Update Google Chrome to version 86.0.4240.183 or higher to patch this vulnerability. Regularly check for updates and enable automatic updates to stay secure. This is especially important since even though it's not currently exploited, it could become a target! You've got this! Keep your Chrome updated, and you’ll be well on your way to thwarting any sneaky attacks. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02408 · 84.0th percentile
Published
2020-11-03T02:21Z
EPSS history
Timeline
  • 03 NOV 02:21Z
    Heap buffer overflow in UI in Google Chrome on Windows prior to 86.0.4240.183 allowed a remote attacker who had compromised the renderer process to potentially…
    cvelistv5