Filtered by vendor Dovecot Subscriptions
Filtered by product Dovecot Subscriptions
Total 53 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2020-12674 5 Canonical, Debian, Dovecot and 2 more 7 Ubuntu Linux, Debian Linux, Dovecot and 4 more 2024-11-21 7.5 High
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.
CVE-2020-12673 5 Canonical, Debian, Dovecot and 2 more 7 Ubuntu Linux, Debian Linux, Dovecot and 4 more 2024-11-21 7.5 High
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.
CVE-2020-12100 5 Canonical, Debian, Dovecot and 2 more 7 Ubuntu Linux, Debian Linux, Dovecot and 4 more 2024-11-21 7.5 High
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.
CVE-2020-10967 2 Dovecot, Redhat 2 Dovecot, Enterprise Linux 2024-11-21 5.3 Medium
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
CVE-2020-10958 2 Dovecot, Redhat 2 Dovecot, Enterprise Linux 2024-11-21 5.3 Medium
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.
CVE-2020-10957 2 Dovecot, Redhat 2 Dovecot, Enterprise Linux 2024-11-21 7.5 High
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.
CVE-2019-7524 5 Canonical, Debian, Dovecot and 2 more 5 Ubuntu Linux, Debian Linux, Dovecot and 2 more 2024-11-21 N/A
In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.
CVE-2019-3814 4 Canonical, Dovecot, Opensuse and 1 more 4 Ubuntu Linux, Dovecot, Leap and 1 more 2024-11-21 N/A
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.
CVE-2019-19722 2 Dovecot, Fedoraproject 2 Dovecot, Fedora 2024-11-21 5.3 Medium
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.
CVE-2019-11500 4 Debian, Dovecot, Fedoraproject and 1 more 5 Debian Linux, Dovecot, Pigeonhole and 2 more 2024-11-21 N/A
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.
CVE-2019-11499 3 Dovecot, Fedoraproject, Opensuse 3 Dovecot, Fedora, Leap 2024-11-21 7.5 High
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.
CVE-2019-11494 3 Dovecot, Fedoraproject, Opensuse 3 Dovecot, Fedora, Leap 2024-11-21 7.5 High
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.
CVE-2019-10691 2 Dovecot, Opensuse 2 Dovecot, Leap 2024-11-21 N/A
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.
CVE-2017-2669 2 Debian, Dovecot 2 Debian Linux, Dovecot 2024-11-21 N/A
Dovecot before version 2.2.29 is vulnerable to a denial of service. When 'dict' passdb and userdb were used for user authentication, the username sent by the IMAP/POP3 client was sent through var_expand() to perform %variable expansion. Sending specially crafted %variable fields could result in excessive memory usage causing the process to crash (and restart), or excessive CPU usage causing all authentications to hang.
CVE-2017-15132 3 Canonical, Debian, Dovecot 3 Ubuntu Linux, Debian Linux, Dovecot 2024-11-21 N/A
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
CVE-2017-15130 3 Canonical, Debian, Dovecot 3 Ubuntu Linux, Debian Linux, Dovecot 2024-11-21 N/A
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
CVE-2017-14461 3 Debian, Dovecot, Ubuntu 3 Debian Linux, Dovecot, Ubuntu 2024-11-21 N/A
A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server.
CVE-2016-8652 1 Dovecot 1 Dovecot 2024-11-21 N/A
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.
CVE-2016-4983 3 Dovecot, Opensuse, Redhat 4 Dovecot, Leap, Opensuse and 1 more 2024-11-21 3.3 Low
A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.
CVE-2015-3420 2 Dovecot, Fedoraproject 2 Dovecot, Fedora 2024-11-21 N/A
The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures.