CVE-2024-6602

Memory corruption in NSS

Critical · published July 9, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
62.0
In the wild
Unconfirmed
What it is

🔥 A memory mismatch in Firefox and Thunderbird could lead to catastrophic crashes! Think of this like a restaurant where the chef and server forget to communicate about changes in the menu. If the server delivers an outdated dish that the chef no longer makes, it could confuse customers and lead to some serious mix-ups! An attacker could exploit this vulnerability to cause memory corruption, potentially crashing the application or even executing harmful code. This leaves users vulnerable and the integrity of their data at risk—absolutely devastating!

Put simply

Think of this like a restaurant where the chef and server forget to communicate about changes in the menu. If the server delivers an outdated dish that the chef no longer makes, it could confuse customers and lead to some serious mix-ups! CVE-2024-6602 arises from a mismatch between memory allocation and deallocation routines in Firefox (versions < 128) and Thunderbird (versions < 115.13 and < 128), allowing for memory corruption that attackers could leverage.

What to do

An attacker could exploit this vulnerability to cause memory corruption, potentially crashing the application or even executing harmful code. This leaves users vulnerable and the integrity of their data at risk—absolutely devastating! Update Firefox to version 128 and Thunderbird to versions 115.13 and 128 immediately to mitigate this vulnerability. Implement strict testing and review of any memory management code to prevent similar issues in the future. You've got this! Follow these steps, and you'll have your applications protected 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
0.00985 · 62.0th percentile
Published
2024-07-09T14:25Z
EPSS history
Timeline
  • 09 JUL 14:25Z
    Memory corruption in NSS
    cvelistv5