{"id":"CVE-2025-4086","details":"A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog.\n*This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.* This vulnerability affects Firefox \u003c 138 and Thunderbird \u003c 138.","modified":"2026-04-10T05:26:26.189113Z","published":"2025-04-29T14:15:35.267Z","related":["openSUSE-SU-2025:15045-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-28/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-31/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1945705"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"138.0"}]},{"events":[{"introduced":"0"},{"fixed":"138.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-4086.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}