CVE-2025-11940CWE-426CWE-427

CVE-2025-11940

High · published October 19, 2025

CVSS v3.1
7.0
EPSS
0%
Percentile
14.8
In the wild
Unconfirmed
What it is

⚡ A tricky local attack could exploit LibreWolf's installer flaw, and it's hiding in plain sight! 🔍 Think of it like a hotel employee misplacing the maintenance room key — anyone with local access could sneak in and mess with the hotel's operations, but only if they know how to navigate the confusing layout. 🏨 If an attacker gains local access, they can manipulate the search path, potentially leading to all sorts of mischief, including executing unauthorized code. While the complexity makes it a tough nut to crack, the consequences could still be significantly damaging to your system's integrity.

Put simply

Think of it like a hotel employee misplacing the maintenance room key — anyone with local access could sneak in and mess with the hotel's operations, but only if they know how to navigate the confusing layout. 🏨 This vulnerability arises from an uncontrolled search path in the LibreWolf installer, specifically within the assets/setup.nsi file. It allows local attackers to manipulate how files are loaded, which could lead to malicious file execution.

What to do

If an attacker gains local access, they can manipulate the search path, potentially leading to all sorts of mischief, including executing unauthorized code. While the complexity makes it a tough nut to crack, the consequences could still be significantly damaging to your system's integrity. Upgrade to version 144.0-1 immediately to close this security gap. It's crucial to ensure that your installation files are up to date and monitor local access to your systems. Don't forget to review your security policies regarding local access! You've got this! By taking action now, you'll keep your system secure and maintain your hero status in the fight against vulnerabilities! 🛡️

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00245 · 14.8th percentile
Weaknesses
CWE-426 · Untrusted Search Path; CWE-427 · Uncontrolled Search Path Element
Published
2025-10-19T13:15Z
References (8)
EPSS history
Timeline
  • 19 OCT 08:32Z
    LibreWolf Installer setup.nsi uncontrolled search path
    cvelistv5