Dovecot: >> Dovecot >> 2.3.0.1 Security Vulnerabilities
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.
CVSS Score
7.5
EPSS Score
0.034
Published
2021-01-04
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.
CVSS Score
7.5
EPSS Score
0.196
Published
2020-08-12
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.
CVSS Score
7.5
EPSS Score
0.056
Published
2020-08-12
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.
CVSS Score
7.5
EPSS Score
0.258
Published
2020-08-12
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
CVSS Score
5.3
EPSS Score
0.034
Published
2020-05-18
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.
CVSS Score
7.5
EPSS Score
0.236
Published
2020-05-18
In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.
CVSS Score
5.3
EPSS Score
0.015
Published
2020-05-18
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. The email must use a group address as either the sender or the recipient.
CVSS Score
5.3
EPSS Score
0.017
Published
2019-12-13
In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
CVSS Score
9.8
EPSS Score
0.383
Published
2019-08-29
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.
CVSS Score
7.5
EPSS Score
0.013
Published
2019-04-24