CVE-2024-9401

Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2

Critical · published October 1, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
54.1
In the wild
Unconfirmed
What it is

🔥 Firefox and Thunderbird have critical memory safety bugs that can lead to catastrophic consequences! With potential memory corruption in versions before 131 and 128.3, the stakes are high! Think of this as a restaurant where the chef is accidentally mixing up ingredients, leading to surprise flavors in your dish. If the chef isn't careful, it could turn into a disastrous meal that nobody wants to eat! An attacker exploiting this vulnerability could run arbitrary code, gaining full control of your system like a rogue chef who takes over the kitchen and starts serving up whatever they want. Imagine the chaos if they decided to serve spoiled food instead! This could lead to data theft, unauthorized access, or even system crashes. Absolutely devastating!

Put simply

Think of this as a restaurant where the chef is accidentally mixing up ingredients, leading to surprise flavors in your dish. If the chef isn't careful, it could turn into a disastrous meal that nobody wants to eat! The memory safety bugs in Firefox and Thunderbird versions below 131 and 128.3 involve potential memory corruption, which could allow an attacker to execute arbitrary code. This means that with enough effort, they might gain unauthorized control over affected systems.

What to do

An attacker exploiting this vulnerability could run arbitrary code, gaining full control of your system like a rogue chef who takes over the kitchen and starts serving up whatever they want. Imagine the chaos if they decided to serve spoiled food instead! This could lead to data theft, unauthorized access, or even system crashes. Absolutely devastating! Update Firefox to version 131, Thunderbird to version 128.3, or later to protect against these vulnerabilities. If you're on ESR versions, ensure you're upgraded to 115.16 or 128.3 at the very least. It’s crucial to act quickly to keep your data secure! You’ve got this! Follow the update steps and you’ll be a security hero in no time! 🦸‍♂️

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
0.00739 · 54.1th percentile
Published
2024-10-01T15:13Z
EPSS history
Timeline
  • 01 OCT 15:13Z
    Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2
    cvelistv5