6.5

CVE-2025-4086

Specially crafted filename could be used to obscure download type

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog.
*This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox SwEdition - Version < 138.0
Mozilla ≫ Thunderbird SwEdition - Version < 138.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.28% 0.201
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE-451 User Interface (UI) Misrepresentation of Critical Information

The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.

https://www.mozilla.org/security/advisories/mfsa2025-28/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-31/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1945705
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