An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade dovecot-develUpgrade dovecot-pgsqlUpgrade dovecot-pigeonholeUpgrade dovecot-mysqlUpgrade dovecot | May 4, 2022 | Jan 4, 2021 |
| Alpine Linux | — | Upgrade dovecot | Jan 29, 2021 | Jan 4, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 4, 2021 |
| Centos_linux | — | Upgrade dovecot-mysqlUpgrade dovecot-debuginfoUpgrade dovecot-debugsourceUpgrade dovecotUpgrade dovecot-mysql-debuginfoUpgrade dovecot-pigeonholeUpgrade dovecot-pgsqlUpgrade dovecot-pgsql-debuginfoUpgrade dovecot-pigeonhole-debuginfo | Jun 1, 2021 | Jan 4, 2021 |
| Debian | — | Upgrade dovecot | Jan 6, 2021 | Jan 4, 2021 |
| Freebsd | — | Upgrade dovecot | Jan 7, 2021 | Jan 4, 2021 |
| Gentoo Linux | — | Upgrade net-mail/dovecot. | Jan 11, 2021 | Jan 4, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-pigeonhole | Feb 2, 2021 | Jan 4, 2021 |
| Oracle_linux | — | Upgrade dovecotUpgrade dovecot-pigeonholeUpgrade dovecot-pgsqlUpgrade dovecot-mysqlUpgrade dovecot-devel | May 26, 2021 | Jan 4, 2021 |
| Redhat_linux | — | Upgrade dovecot-develUpgrade dovecot-mysql-debuginfoNo solution existsUpgrade dovecot-pigeonhole-debuginfoUpgrade dovecot-pigeonholeUpgrade dovecotUpgrade dovecot-pgsql-debuginfoUpgrade dovecot-pgsqlUpgrade dovecot-debugsourceUpgrade dovecot-debuginfoUpgrade dovecot-mysql | May 21, 2021 | Jan 4, 2021 |
| Suse | — | Upgrade dovecot23-backend-mysqlUpgrade dovecot23-backend-sqliteUpgrade dovecot23-develUpgrade dovecot22-develUpgrade dovecot22-backend-pgsqlUpgrade dovecot22-backend-mysqlUpgrade dovecot22-backend-sqliteUpgrade dovecot23-fts-luceneUpgrade dovecot23-fts-solrUpgrade dovecot23Upgrade dovecot23-fts-squatUpgrade dovecot23-ftsUpgrade dovecot22Upgrade dovecot23-backend-pgsql | Jan 5, 2021 | Jan 4, 2021 |
| Ubuntu | — | Upgrade dovecot-core | Jan 5, 2021 | Jan 4, 2021 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub