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.
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History
No history.

Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-05T11:08:21.996Z
Reserved: 2018-10-19T00:00:00
Link: CVE-2018-18509

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Status : Modified
Published: 2019-04-26T17:29:00.243
Modified: 2024-11-21T03:56:04.547
Link: CVE-2018-18509
