Description

A vulnerability existed in Firefox for Android where potentially sensitive library locations were logged via Logcat. This vulnerability affects Firefox < 138 and Thunderbird < 138.

Classification

CVE ID: CVE-2025-4090

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products

Vendor: Mozilla

Product: Firefox, Thunderbird

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 10.47% (scored less or equal to compared to others)

EPSS Date: 2025-05-28 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4090
https://bugzilla.mozilla.org/show_bug.cgi?id=1929478
https://www.mozilla.org/security/advisories/mfsa2025-28/
https://www.mozilla.org/security/advisories/mfsa2025-31/

Timeline