Description
If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.
References (2)
Core 2
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2021-22/
Exploit, Patch, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1673241
Scores
CVSS v3
4.3
EPSS
0.0094
EPSS Percentile
56.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Details
Status
published
Products (1)
mozilla/thunderbird
< 78.10.2
Published
Jun 24, 2021
Tracked Since
Feb 18, 2026