# CVE-2025-59032: dovecot: ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response

CVE-2025-59032 is fixed in 21 products on 1 platform, first by RHSA-2026:17602, released March 27, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-59032
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0073
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 26, 2026

## Description

ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it's not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dovecot Debian 12.15 (bookworm) | 1:2.3.19.1+dfsg1-2.1+deb12u2 | [DEBIAN-CVE-2025-59032](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59032.md) | Mar 27, 2026 |
| Linux | dovecot Debian 13.5 (trixie) | 1:2.4.1+dfsg1-6+deb13u4 | [DEBIAN-CVE-2025-59032](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59032.md) | Mar 27, 2026 |
| Linux | dovecot Debian 14 | 1:2.4.3+dfsg1-1 | [DEBIAN-CVE-2025-59032](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59032.md) | Mar 27, 2026 |
| Linux | dovecot RHEL 10 | 2.3.21-16.el10_0.1 | [RHSA-2026:17602](https://patchblox.com/security/data/fix/linux/rhsa-2026-17602.md) | Mar 27, 2026 |
| Linux | dovecot RHEL 8 | 1:2.3.16-7.el8_10 | [RHSA-2026:13830](https://patchblox.com/security/data/fix/linux/rhsa-2026-13830.md) | May 15, 2026 |
| Linux | dovecot RHEL 9 | 1:2.3.16-18.el9_8 | [RHSA-2026:19364](https://patchblox.com/security/data/fix/linux/rhsa-2026-19364.md) | May 15, 2026 |
| Linux | dovecot almalinux 10 | 1:2.3.21-19.el10_2 | [ALSA-2026:19149](https://patchblox.com/security/data/fix/linux/alsa-2026-19149.md) | May 19, 2026 |
| Linux | dovecot almalinux 8 | 1:2.3.16-7.el8_10 | [ALSA-2026:13830](https://patchblox.com/security/data/fix/linux/alsa-2026-13830.md) | May 5, 2026 |
| Linux | dovecot almalinux 9 | 1:2.3.16-18.el9_8 | [ALSA-2026:19364](https://patchblox.com/security/data/fix/linux/alsa-2026-19364.md) | May 19, 2026 |
| Linux | dovecot ol 10 | 1:2.3.21-16.el10_1.1 | [ELSA-2026-13498](https://patchblox.com/security/data/fix/linux/elsa-2026-13498.md) | May 5, 2026 |
| Linux | dovecot ol 8 | 1:2.3.16-7.el8_10 | [ELSA-2026-13830](https://patchblox.com/security/data/fix/linux/elsa-2026-13830.md) | May 6, 2026 |
| Linux | dovecot ol 9 | 1:2.3.16-15.el9_7.1 | [ELSA-2026-13857](https://patchblox.com/security/data/fix/linux/elsa-2026-13857.md) | May 6, 2026 |
| Linux | dovecot rocky 10 | 1:2.3.21-19.el10_2 | [RLSA-2026:19149](https://patchblox.com/security/data/fix/linux/rlsa-2026-19149.md) | May 29, 2026 |
| Linux | dovecot rocky 8 | 1:2.3.16-7.el8_10 | [RLSA-2026:13830](https://patchblox.com/security/data/fix/linux/rlsa-2026-13830.md) | May 7, 2026 |
| Linux | dovecot rocky 9 | 1:2.3.16-18.el9_8 | [RLSA-2026:19364](https://patchblox.com/security/data/fix/linux/rlsa-2026-19364.md) | May 28, 2026 |
| Linux | dovecot-auth-lua Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-auth-lua 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-auth-lua-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-auth-lua Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-auth-lua 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-auth-lua-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-auth-lua Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-auth-lua 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-auth-lua-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-core Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-core 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-core-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-core Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-core 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-core-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-core Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-core 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-core-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-devel RHEL 8 | 1:2.3.16-7.el8_10 | [RHSA-2026:13830](https://patchblox.com/security/data/fix/linux/rhsa-2026-13830.md) | May 15, 2026 |
| Linux | dovecot-devel RHEL 9 | 1:2.3.16-18.el9_8 | [RHSA-2026:19364](https://patchblox.com/security/data/fix/linux/rhsa-2026-19364.md) | May 15, 2026 |
| Linux | dovecot-devel almalinux 10 | 1:2.3.21-19.el10_2 | [ALSA-2026:19149](https://patchblox.com/security/data/fix/linux/alsa-2026-19149.md) | May 19, 2026 |
| Linux | dovecot-devel almalinux 8 | 1:2.3.16-7.el8_10 | [ALSA-2026:13830](https://patchblox.com/security/data/fix/linux/alsa-2026-13830.md) | May 5, 2026 |
| Linux | dovecot-devel almalinux 9 | 1:2.3.16-18.el9_8 | [ALSA-2026:19364](https://patchblox.com/security/data/fix/linux/alsa-2026-19364.md) | May 19, 2026 |
| Linux | dovecot-devel ol 10 | 1:2.3.21-16.el10_1.1 | [ELSA-2026-13498](https://patchblox.com/security/data/fix/linux/elsa-2026-13498.md) | May 5, 2026 |
| Linux | dovecot-devel ol 8 | 1:2.3.16-7.el8_10 | [ELSA-2026-13830](https://patchblox.com/security/data/fix/linux/elsa-2026-13830.md) | May 6, 2026 |
| Linux | dovecot-devel ol 9 | 1:2.3.16-15.el9_7.1 | [ELSA-2026-13857](https://patchblox.com/security/data/fix/linux/elsa-2026-13857.md) | May 6, 2026 |
| Linux | dovecot-flatcurve Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-flatcurve 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-flatcurve-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-gssapi Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-gssapi 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-gssapi-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-gssapi Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-gssapi 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-gssapi-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-gssapi Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-gssapi 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-gssapi-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-imapd Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-imapd 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-imapd-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-imapd Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-imapd 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-imapd-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-imapd Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-imapd 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-imapd-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-ldap Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-ldap 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-ldap-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-ldap Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-ldap 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-ldap-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-ldap Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-ldap 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-ldap-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-lmtpd Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-lmtpd 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-lmtpd-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-lmtpd Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-lmtpd 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-lmtpd-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-lmtpd Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-lmtpd 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-lmtpd-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-lucene Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-lucene 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-lucene-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-managesieved Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-managesieved 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-managesieved-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-managesieved Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-managesieved 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-managesieved-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-managesieved Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-managesieved 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-managesieved-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-mysql RHEL 8 | 1:2.3.16-7.el8_10 | [RHSA-2026:13830](https://patchblox.com/security/data/fix/linux/rhsa-2026-13830.md) | May 15, 2026 |
| Linux | dovecot-mysql RHEL 9 | 1:2.3.16-18.el9_8 | [RHSA-2026:19364](https://patchblox.com/security/data/fix/linux/rhsa-2026-19364.md) | May 15, 2026 |
| Linux | dovecot-mysql Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-mysql 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-mysql-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-mysql Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-mysql 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-mysql-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-mysql Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-mysql 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-mysql-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-mysql almalinux 10 | 1:2.3.21-19.el10_2 | [ALSA-2026:19149](https://patchblox.com/security/data/fix/linux/alsa-2026-19149.md) | May 19, 2026 |
| Linux | dovecot-mysql almalinux 8 | 1:2.3.16-7.el8_10 | [ALSA-2026:13830](https://patchblox.com/security/data/fix/linux/alsa-2026-13830.md) | May 5, 2026 |
| Linux | dovecot-mysql almalinux 9 | 1:2.3.16-18.el9_8 | [ALSA-2026:19364](https://patchblox.com/security/data/fix/linux/alsa-2026-19364.md) | May 19, 2026 |
| Linux | dovecot-mysql ol 10 | 1:2.3.21-16.el10_1.1 | [ELSA-2026-13498](https://patchblox.com/security/data/fix/linux/elsa-2026-13498.md) | May 5, 2026 |
| Linux | dovecot-mysql ol 8 | 1:2.3.16-7.el8_10 | [ELSA-2026-13830](https://patchblox.com/security/data/fix/linux/elsa-2026-13830.md) | May 6, 2026 |
| Linux | dovecot-mysql ol 9 | 1:2.3.16-15.el9_7.1 | [ELSA-2026-13857](https://patchblox.com/security/data/fix/linux/elsa-2026-13857.md) | May 6, 2026 |
| Linux | dovecot-pgsql RHEL 8 | 1:2.3.16-7.el8_10 | [RHSA-2026:13830](https://patchblox.com/security/data/fix/linux/rhsa-2026-13830.md) | May 15, 2026 |
| Linux | dovecot-pgsql RHEL 9 | 1:2.3.16-18.el9_8 | [RHSA-2026:19364](https://patchblox.com/security/data/fix/linux/rhsa-2026-19364.md) | May 15, 2026 |
| Linux | dovecot-pgsql Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-pgsql 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-pgsql-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-pgsql Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-pgsql 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-pgsql-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-pgsql Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-pgsql 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-pgsql-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-pgsql almalinux 10 | 1:2.3.21-19.el10_2 | [ALSA-2026:19149](https://patchblox.com/security/data/fix/linux/alsa-2026-19149.md) | May 19, 2026 |
| Linux | dovecot-pgsql almalinux 8 | 1:2.3.16-7.el8_10 | [ALSA-2026:13830](https://patchblox.com/security/data/fix/linux/alsa-2026-13830.md) | May 5, 2026 |
| Linux | dovecot-pgsql almalinux 9 | 1:2.3.16-18.el9_8 | [ALSA-2026:19364](https://patchblox.com/security/data/fix/linux/alsa-2026-19364.md) | May 19, 2026 |
| Linux | dovecot-pgsql ol 10 | 1:2.3.21-16.el10_1.1 | [ELSA-2026-13498](https://patchblox.com/security/data/fix/linux/elsa-2026-13498.md) | May 5, 2026 |
| Linux | dovecot-pgsql ol 8 | 1:2.3.16-7.el8_10 | [ELSA-2026-13830](https://patchblox.com/security/data/fix/linux/elsa-2026-13830.md) | May 6, 2026 |
| Linux | dovecot-pgsql ol 9 | 1:2.3.16-15.el9_7.1 | [ELSA-2026-13857](https://patchblox.com/security/data/fix/linux/elsa-2026-13857.md) | May 6, 2026 |
| Linux | dovecot-pigeonhole RHEL 8 | 1:2.3.16-7.el8_10 | [RHSA-2026:13830](https://patchblox.com/security/data/fix/linux/rhsa-2026-13830.md) | May 15, 2026 |
| Linux | dovecot-pigeonhole RHEL 9 | 1:2.3.16-18.el9_8 | [RHSA-2026:19364](https://patchblox.com/security/data/fix/linux/rhsa-2026-19364.md) | May 15, 2026 |
| Linux | dovecot-pigeonhole almalinux 10 | 1:2.3.21-19.el10_2 | [ALSA-2026:19149](https://patchblox.com/security/data/fix/linux/alsa-2026-19149.md) | May 19, 2026 |
| Linux | dovecot-pigeonhole almalinux 8 | 1:2.3.16-7.el8_10 | [ALSA-2026:13830](https://patchblox.com/security/data/fix/linux/alsa-2026-13830.md) | May 5, 2026 |
| Linux | dovecot-pigeonhole almalinux 9 | 1:2.3.16-18.el9_8 | [ALSA-2026:19364](https://patchblox.com/security/data/fix/linux/alsa-2026-19364.md) | May 19, 2026 |
| Linux | dovecot-pigeonhole ol 10 | 1:2.3.21-16.el10_1.1 | [ELSA-2026-13498](https://patchblox.com/security/data/fix/linux/elsa-2026-13498.md) | May 5, 2026 |
| Linux | dovecot-pigeonhole ol 8 | 1:2.3.16-7.el8_10 | [ELSA-2026-13830](https://patchblox.com/security/data/fix/linux/elsa-2026-13830.md) | May 6, 2026 |
| Linux | dovecot-pigeonhole ol 9 | 1:2.3.16-15.el9_7.1 | [ELSA-2026-13857](https://patchblox.com/security/data/fix/linux/elsa-2026-13857.md) | May 6, 2026 |
| Linux | dovecot-pop3d Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-pop3d 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-pop3d-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-pop3d Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-pop3d 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-pop3d-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-pop3d Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-pop3d 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-pop3d-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-sieve Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-sieve-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-sieve Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-sieve 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-sieve-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-sieve Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-sieve 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-sieve-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-solr Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-solr 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-solr-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-solr Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-solr 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-solr-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-solr Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-solr 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-solr-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-sqlite Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-sqlite 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-sqlite-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-sqlite Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-sqlite 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-sqlite-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-sqlite Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-sqlite 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-sqlite-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot-submissiond Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-submissiond 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-submissiond-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-submissiond Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-submissiond 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-submissiond-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-submissiond Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | [dovecot-submissiond 1:2.4.1+dfsg1-5ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-submissiond-1-2.4.1-dfsg1-5ubuntu4.1.md) | Apr 15, 2026 |
| Linux | dovecot23 sles 15.6 | 2.3.21.1-150200.76.1 | [SUSE-SU-2026:4139-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4139-1.md) | Sep 14, 2026 |
| Linux | dovecot23 sles 15.7 | 2.3.21.1-150200.76.1 | [SUSE-SU-2026:4139-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4139-1.md) | Sep 14, 2026 |
| Linux | dovecot24 opensuse-leap 16.0 | 2.4.3-160000.1.1 | [OPENSUSE-SU-2026:20554-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20554-1.md) | Apr 16, 2026 |
| Linux | dovecot24 sles 16.0 | 2.4.3-160000.1.1 | [SUSE-SU-2026:21208-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21208-1.md) | Apr 16, 2026 |

---

Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.