Description
The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despite a date or time mismatch. This could be used to give recipients the impression that a message was sent at a different date or time. This vulnerability affects Thunderbird < 115.6.
Metrics
CVSS 3.1 4.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NAffected software
No affected versions have been published.
Timeline
- Published
- Dec 19, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified