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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-4086 Detail

Description

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 affects Firefox < 138 and Thunderbird < 138.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1945705 Mozilla Corporation Permissions Required 
https://www.mozilla.org/security/advisories/mfsa2025-28/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2025-31/ Mozilla Corporation Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-451 User Interface (UI) Misrepresentation of Critical Information CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-4086
NVD Published Date:
04/29/2025
NVD Last Modified:
05/09/2025
Source:
Mozilla Corporation