CVE-2019-9814

Mozilla developers and community members reported memory safety bugs present in Firefox 66

published July 23, 2019

CVSS
—
EPSS
1%
Percentile
69.7
In the wild
Unconfirmed
What it is

⚠️ A few crafty memory safety bugs in Firefox could lead to some serious trouble! These vulnerabilities, lurking in versions below 67, might let attackers run arbitrary code. 🔥 Think of it like a restaurant kitchen where the chefs can accidentally mix up ingredients — if they don’t keep an eye on their recipes, they might serve something unintended, potentially spoiling a whole meal! If an attacker gets clever enough, they could exploit these memory corruption bugs to execute their own code within your browser. This could lead to unauthorized access, data exfiltration, or even a complete system compromise!

Put simply

Think of it like a restaurant kitchen where the chefs can accidentally mix up ingredients — if they don’t keep an eye on their recipes, they might serve something unintended, potentially spoiling a whole meal! This vulnerability arises from memory safety bugs in Firefox 66, which can potentially allow an attacker to manipulate memory regions, leading to arbitrary code execution.

What to do

If an attacker gets clever enough, they could exploit these memory corruption bugs to execute their own code within your browser. This could lead to unauthorized access, data exfiltration, or even a complete system compromise! To keep your browsing safe, make sure to update Firefox to version 67 or later as soon as possible. Regularly check for updates to protect against these sneaky vulnerabilities! You've got this! Stay updated and secure your browsing experience! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01276 · 69.7th percentile
Published
2019-07-23T13:24Z
EPSS history
Timeline
  • 23 JUL 13:24Z
    Mozilla developers and community members reported memory safety bugs present in Firefox 66
    cvelistv5