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Dovecot 1.1 before 2.2.13 and dovecot-ee before 2.1.7.7 and 2.2.x before 2.2.12.12 does not properly close old connections, which allows remote attackers to cause a denial of service (resource consumption) via an incomplete SSL/TLS handshake for an IMAP/POP3 connection.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade dovecot | Aug 30, 2017 | May 14, 2014 |
| Centos_linux | — | Upgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-pigeonholeUpgrade dovecot-develUpgrade dovecot-pgsql | Dec 1, 2016 | May 14, 2014 |
| Debian | — | Upgrade dovecot | Jul 30, 2024 | May 14, 2014 |
| Gentoo Linux | — | Upgrade net-mail/dovecot. | Oct 30, 2017 | May 14, 2014 |
| Oracle_linux | — | Upgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-develUpgrade dovecot-pigeonholeUpgrade dovecot-pgsql | Oct 16, 2024 | May 14, 2014 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 9, 2014 |
| Suse | — | Upgrade dovecot22-backend-pgsqlUpgrade dovecot22-backend-sqliteUpgrade dovecot22Upgrade dovecot22-develUpgrade dovecot22-backend-mysql | Dec 9, 2016 | May 14, 2014 |
| Ubuntu | — | Upgrade dovecot-pop3dUpgrade dovecot-imapdUpgrade dovecot-core | Nov 8, 2024 | May 14, 2014 |
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