In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade neomutt | May 15, 2025 | Nov 12, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 12, 2024 |
| Ubuntu | — | Upgrade neomutt (Ubuntu Pro) | Jan 16, 2025 | Nov 12, 2024 |
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