| Package | Affected versions | Patched versions |
|---|---|---|
| dovecot | ≥ 1.1.0, < 2.2.36.1≥ 2.3.0, < 2.3.4.1 | 2.2.36.12.3.4.1 |
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
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