CVE-2022-31748

Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox…

Critical · published December 22, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
52.6
In the wild
Unconfirmed
What it is

🔥 Memory safety bugs in Firefox can open the door to chaos! With versions < 101 vulnerable, this is a security wake-up call you don't want to snooze on! Think of your Firefox browser as a busy restaurant kitchen. If the staff doesn't follow the recipe properly (memory safety), they might accidentally mix in a dangerous ingredient (memory corruption), leading to a disastrous meal (arbitrary code execution) that nobody ordered! If exploited, an attacker could take control of your browser, running arbitrary code at will. This could lead to devastating consequences, such as accessing sensitive data, spreading malware, or even hijacking your session. In other words, a nightmare scenario for privacy and security!

Put simply

Think of your Firefox browser as a busy restaurant kitchen. If the staff doesn't follow the recipe properly (memory safety), they might accidentally mix in a dangerous ingredient (memory corruption), leading to a disastrous meal (arbitrary code execution) that nobody ordered! This memory safety vulnerability allows potential memory corruption, which an attacker could exploit to execute arbitrary code. It specifically affects Firefox versions before 101, making it an urgent concern for users still on those versions.

What to do

If exploited, an attacker could take control of your browser, running arbitrary code at will. This could lead to devastating consequences, such as accessing sensitive data, spreading malware, or even hijacking your session. In other words, a nightmare scenario for privacy and security! Upgrade your Firefox to version 101 or later immediately to patch this critical vulnerability. Don't just stop there—consider reviewing your security settings and running regular updates to maintain a fortified defense against future threats! You've got this! By taking action now, you're securing your digital world! 🛡️

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
0.00699 · 52.6th percentile
Published
2022-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox…
    cvelistv5