PT-2025-18155
CVE-2025-4086
·
Published
2025-04-29
·
Updated
2026-09-30
Description by
CVSS 3.1
6.5
MediumMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions
Firefox for Android versions prior to 138
Thunderbird versions prior to 138
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 issue affects Firefox for Android and Thunderbird.
Recommendations
For Firefox for Android versions prior to 138, update to version 138 or later to resolve the issue.
For Thunderbird versions prior to 138, update to version 138 or later to resolve the issue.
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