Vulnerabilities > Dovecot > Dovecot > 2.3
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2020-05-18 | CVE-2020-10957 | NULL Pointer Dereference vulnerability in Dovecot In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp. | 7.5 |
| 2019-12-13 | CVE-2019-19722 | NULL Pointer Dereference vulnerability in multiple products In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. | 5.3 |
| 2019-04-24 | CVE-2019-10691 | The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username. | 7.5 |