vulnerability
MFSA2019-06 Thunderbird: Security vulnerabilities fixed in Thunderbird 60.5.1 (CVE-2018-18509)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | Feb 14, 2019 | Feb 15, 2019 | Aug 12, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Feb 14, 2019
Added
Feb 15, 2019
Modified
Aug 12, 2025
Description
A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.
Solution
mozilla-thunderbird-upgrade-60_5_1
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