CVE-2023-50761
The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If
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.
MEDIUM · CVSS 4.3
EPSS 0.00288
Monitor
- No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0
YARA rules0