CVE-2025-4090
MEDIUMCVSS 5.3/10EPSS 0.27%
Last modified
CVE-2025-4090 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability was fixed in Firefox 138 and Thunderbird 138.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 138.0 |
| Mozilla | Thunderbird | < 138.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1929478Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-28/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-31/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-4090?
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
How severe is CVE-2025-4090?
CVE-2025-4090 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2025-4090?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-4090?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST