CVE-2024-9402

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

Critical · published October 1, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

🔥 Memory safety bugs lurking in Firefox and Thunderbird can set the stage for chaos. With versions below 131 at risk, it’s time to take action! Think of your browser like a house full of valuable items. Memory safety bugs are like cracks in the walls that could let a sneaky thief break in undetected, rummaging through your most precious belongings without you knowing! If exploited, these vulnerabilities could allow an attacker to run arbitrary code on your system, potentially gaining unauthorized access to sensitive information or taking control of your machine. The consequences could be absolutely devastating, putting your data and privacy at serious risk!

Put simply

Think of your browser like a house full of valuable items. Memory safety bugs are like cracks in the walls that could let a sneaky thief break in undetected, rummaging through your most precious belongings without you knowing! This memory corruption vulnerability in Firefox and Thunderbird could allow an attacker to execute arbitrary code by manipulating memory allocations, leading to severe breaches of security. It mainly affects Firefox versions below 131 and Thunderbird versions below 128.3.

What to do

If exploited, these vulnerabilities could allow an attacker to run arbitrary code on your system, potentially gaining unauthorized access to sensitive information or taking control of your machine. The consequences could be absolutely devastating, putting your data and privacy at serious risk! Update to Firefox version 131 or Firefox ESR 128.3, and Thunderbird version 131 or 128.3 immediately to protect your systems. Regularly check for updates to maintain security hygiene. You've got this! Patch those browsers and keep your digital fortress secure! 🛡️

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
0.00615 · 48.8th percentile
Published
2024-10-01T15:13Z
EPSS history
Timeline
  • 01 OCT 15:13Z
    Memory safety bugs present in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2
    cvelistv5