CVE-2019-11755

HIGH Year: 2019
CVSS v3 Score
7.5
High
CVSS v2 Score
5.0
Medium
Weakness Type
CWE-347
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Vulnerability Description

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1.

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