Known Vulnerabilities for products from Dovecot

Listed below are 20 of the newest known vulnerabilities associated with the vendor "Dovecot".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-27860 Not Provided 2026-03-27 2026-03-27
CVE-2026-27855 Not Provided 2026-03-27 2026-03-27
CVE-2026-24031 Not Provided 2026-03-27 2026-03-27
CVE-2026-0394 Not Provided 2026-03-27 2026-03-27
CVE-2025-59031 Not Provided 2026-03-27 2026-03-27
CVE-2021-33515 The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be r... 4.8 - MEDIUM 2021-06-28 2023-11-07
CVE-2021-29157 Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authenticat... 5.5 - MEDIUM 2021-06-28 2023-11-07
CVE-2020-28200 The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a com... 4.3 - MEDIUM 2021-06-28 2023-11-07
CVE-2020-25275 Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted ema... 7.5 - HIGH 2021-01-04 2023-11-07
CVE-2020-24386 An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via... 6.8 - MEDIUM 2021-01-04 2023-11-07
CVE-2020-12674 In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is... 7.5 - HIGH 2020-08-12 2023-11-07
CVE-2020-12673 In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bound... 7.5 - HIGH 2020-08-12 2023-11-07
CVE-2020-12100 In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of ... 7.5 - HIGH 2020-08-12 2023-11-07
CVE-2020-10967 In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an... 5.3 - MEDIUM 2020-05-18 2023-11-07
CVE-2020-10958 In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, s... 5.3 - MEDIUM 2020-05-18 2023-11-07
CVE-2020-10957 In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereferen... 7.5 - HIGH 2020-05-18 2023-11-07
CVE-2020-7957 The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read t... 5.3 - MEDIUM 2020-02-12 2023-11-07
CVE-2020-7046 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, ... 7.5 - HIGH 2020-02-12 2023-11-07
CVE-2019-19722 In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are ... 5.3 - MEDIUM 2019-12-13 2023-11-07
CVE-2019-11500 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 ... 9.8 - CRITICAL 2019-08-29 2023-11-07

Known software with vulnerabilities from Dovecot

Type Vendor Product Version
ApplicationDovecotDovecot-
ApplicationDovecotPigeonhole0.1.0