Vulnerabilities > Dovecot > High
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2022-07-17 | CVE-2022-30550 | Improper Authentication vulnerability in multiple products An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. | 8.8 |
| 2021-01-04 | CVE-2020-25275 | Improper Input Validation vulnerability in multiple products Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts. | 7.5 |
| 2020-08-12 | CVE-2020-12674 | Out-of-bounds Read vulnerability in multiple products In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled. | 7.5 |
| 2020-08-12 | CVE-2020-12673 | Out-of-bounds Read vulnerability in multiple products In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read. | 7.5 |
| 2020-08-12 | CVE-2020-12100 | Uncontrolled Recursion vulnerability in multiple products In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts. | 7.5 |
| 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 |
| 2020-02-12 | CVE-2020-7046 | Infinite Loop vulnerability in multiple products lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles truncated UTF-8 data in command parameters, as demonstrated by the unauthenticated triggering of a submission-login infinite loop. | 7.5 |
| 2019-05-08 | CVE-2019-11494 | NULL Pointer Dereference vulnerability in multiple products In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command. | 7.5 |
| 2019-05-08 | CVE-2019-11499 | In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message. | 7.5 |
| 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 |