Dovecot: >> Dovecot >> 2.3.9.2 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
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.
CVSS Score
7.5
EPSS Score
0.01
Published
2020-02-12
The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.
CVSS Score
3.1
EPSS Score
0.005
Published
2020-02-12
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