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CVE-2025-11940— LibreWolf Installer setup.nsi uncontrolled search path

Quick assessment

Affected
n/a LibreWolf
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibreWolf是LibreWolf开源的一个以Firefox为基础的网页浏览器。 LibreWolf 143.0.4-1及之前版本存在代码问题漏洞，该漏洞源于文件assets/setup.nsi中未知函数的搜索路径不受控制，可能导致本地攻击。

CVSS 7.0 · High EPSS 0.16% · P6
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I. Basic Information for CVE-2025-11940

Vulnerability Information
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Vulnerability Title
LibreWolf Installer setup.nsi uncontrolled search path
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in LibreWolf up to 143.0.4-1 on Windows. This affects an unknown function of the file assets/setup.nsi of the component Installer. Such manipulation leads to uncontrolled search path. The attack must be carried out locally. Attacks of this nature are highly complex. The exploitability is reported as difficult. Upgrading to version 144.0-1 mitigates this issue. The name of the patch is dd10e31dd873e9cb309fad8aed921d45bf905a55. It is suggested to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
LibreWolf 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreWolf是LibreWolf开源的一个以Firefox为基础的网页浏览器。 LibreWolf 143.0.4-1及之前版本存在代码问题漏洞，该漏洞源于文件assets/setup.nsi中未知函数的搜索路径不受控制，可能导致本地攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- LibreWolf 143.0.4-1 -

II. Public POCs for CVE-2025-11940

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6332 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-11940

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Same Patch Batch · n/a · 2025-10-19 · 4 CVEs total

CVE-2025-11938 5.6 MEDIUM ChurchCRM setup.php deserialization
CVE-2025-11939 4.7 MEDIUM ChurchCRM Backup Restore RestoreJob.php path traversal
CVE-2025-11947 4.5 MEDIUM bftpd Configuration File options.c expand_groups heap-based overflow

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-427

V. Comments for CVE-2025-11940

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