CVE-2019-5870

Use after free in media in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page

published November 25, 2019

CVSS
—
EPSS
1%
Percentile
73.0
In the wild
Unconfirmed
What it is

⚠️ A crafty HTML page could pull a fast one! This use-after-free vulnerability in Google Chrome before version 77.0.3865.75 allows attackers to potentially escape their sandbox and gain elevated access. 🔥 Think of it like a magician performing a trick that looks harmless but actually grants them access to the vault behind the curtain. If they pull off this sleight of hand, they could access sensitive information or control the system in ways they shouldn't! If an attacker successfully exploits this vulnerability, they could execute arbitrary code or gain elevated privileges, leading to serious consequences like unauthorized access to user data or complete control over the browser session. It's a situation that could leave users feeling exposed and vulnerable!

Put simply

Think of it like a magician performing a trick that looks harmless but actually grants them access to the vault behind the curtain. If they pull off this sleight of hand, they could access sensitive information or control the system in ways they shouldn't! This vulnerability stems from a use-after-free error within the media component of Google Chrome, where the application continues to reference freed memory, allowing malicious actors to manipulate program execution. When crafted HTML content is processed, it can lead to a sandbox escape, compromising user security.

What to do

If an attacker successfully exploits this vulnerability, they could execute arbitrary code or gain elevated privileges, leading to serious consequences like unauthorized access to user data or complete control over the browser session. It's a situation that could leave users feeling exposed and vulnerable! To protect against this vulnerability, update Google Chrome to version 77.0.3865.75 or later immediately. Regularly check for updates to ensure you’re running the latest version, and consider enabling automatic updates for added security. 🛡️ You've got this! Stay vigilant, keep your browser up to date, and you'll be a security hero in no time! ✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01443 · 73.0th percentile
Published
2019-11-25T14:22Z
EPSS history
Timeline
  • 25 NOV 14:22Z
    Use after free in media in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page
    cvelistv5