LibreWolf Installer setup.nsi uncontrolled search path
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-426.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | LibreWolf | 143.0.4-1 | 144.0-1 | Patch available | CNA |
- LibreWolf Vendor— Affected 143.0.4-1 Fixed in 144.0-1 Patch available CNA
Remediation
- Fix · CNA LibreWolf Fixed in 144.0-1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11940
- 2026-10-03 Alias added: GHSA-5ph2-8ccr-vhmp
References
Sources
- CVE-2025-11940 · CVE Program
- CVE-2025-11940 · NVD
- FIRST EPSS
- GHSA-5ph2-8ccr-vhmp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences