# CVE-2026-42006: dovecot: An attacker can cause uncontrolled memory usage with excessive bracing over IMAP CVE-2026-42006 is fixed in 21 products on 1 platform, first by dovecot-auth-lua 1:2.3.16+dfsg1-3ubuntu2.9, released May 12, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-42006 - Priority: High - CVSS: 7.5 (important) - EPSS: 0.0062 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 12, 2026 ## Description An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking one way of doing this, so there was still another way left open. In particular, the fix was for closing braces, but you could still use open braces to bypass the limit. Using excessive bracing, attacker can cause memory usage up to configured memory limit. Install fixed version, or configure vsz_limit for imap process to low value. 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+deb12u6 | [DEBIAN-CVE-2026-42006](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42006.md) | May 27, 2026 | | Linux | dovecot Debian 13.5 (trixie) | 1:2.4.1+dfsg1-6+deb13u6 | [DEBIAN-CVE-2026-42006](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42006.md) | May 27, 2026 | | Linux | dovecot Debian 14 | 1:2.4.4+dfsg1-1 | [DEBIAN-CVE-2026-42006](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42006.md) | May 27, 2026 | | Linux | dovecot RHEL 10 | 2.3.21-16.el10_0.2 | [RHSA-2026:42091](https://patchblox.com/security/data/fix/linux/rhsa-2026-42091.md) | May 12, 2026 | | Linux | dovecot RHEL 8 | 1:2.3.16-8.el8_10 | [RHSA-2026:46532](https://patchblox.com/security/data/fix/linux/rhsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot RHEL 9 | 1:2.3.16-18.el9_8.1 | [RHSA-2026:41905](https://patchblox.com/security/data/fix/linux/rhsa-2026-41905.md) | Jul 21, 2026 | | Linux | dovecot almalinux 10 | 1:2.3.21-19.el10_2.1 | [ALSA-2026:41988](https://patchblox.com/security/data/fix/linux/alsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot almalinux 8 | 1:2.3.16-8.el8_10 | [ALSA-2026:46532](https://patchblox.com/security/data/fix/linux/alsa-2026-46532.md) | Jul 27, 2026 | | Linux | dovecot almalinux 9 | 1:2.3.16-18.el9_8.1 | [ALSA-2026:41905](https://patchblox.com/security/data/fix/linux/alsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot ol 10 | 1:2.3.21-19.el10_2.1 | [ELSA-2026-41988](https://patchblox.com/security/data/fix/linux/elsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot ol 8 | 1:2.3.16-8.el8_10 | [ELSA-2026-46532](https://patchblox.com/security/data/fix/linux/elsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot ol 9 | 1:2.3.16-18.el9_8.1 | [ELSA-2026-41905](https://patchblox.com/security/data/fix/linux/elsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot rocky 10 | 1:2.3.21-19.el10_2.1 | [RLSA-2026:41988](https://patchblox.com/security/data/fix/linux/rlsa-2026-41988.md) | Jul 22, 2026 | | Linux | dovecot rocky 8 | 1:2.3.16-8.el8_10 | [RLSA-2026:46532](https://patchblox.com/security/data/fix/linux/rlsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot rocky 9 | 1:2.3.16-18.el9_8.1 | [RLSA-2026:41905](https://patchblox.com/security/data/fix/linux/rlsa-2026-41905.md) | Jul 22, 2026 | | Linux | dovecot-auth-lua Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-auth-lua 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-auth-lua-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-auth-lua Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-auth-lua 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-auth-lua-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-auth-lua Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-auth-lua 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-auth-lua-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-auth-lua Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-auth-lua 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-auth-lua-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-core Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-core 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-core-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-core Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-core 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-core-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-core Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-core 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-core-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-core Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-core 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-core-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-devel RHEL 8 | 1:2.3.16-8.el8_10 | [RHSA-2026:46532](https://patchblox.com/security/data/fix/linux/rhsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-devel RHEL 9 | 1:2.3.16-18.el9_8.1 | [RHSA-2026:41905](https://patchblox.com/security/data/fix/linux/rhsa-2026-41905.md) | Jul 21, 2026 | | Linux | dovecot-devel almalinux 10 | 1:2.3.21-19.el10_2.1 | [ALSA-2026:41988](https://patchblox.com/security/data/fix/linux/alsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-devel almalinux 8 | 1:2.3.16-8.el8_10 | [ALSA-2026:46532](https://patchblox.com/security/data/fix/linux/alsa-2026-46532.md) | Jul 27, 2026 | | Linux | dovecot-devel almalinux 9 | 1:2.3.16-18.el9_8.1 | [ALSA-2026:41905](https://patchblox.com/security/data/fix/linux/alsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-devel ol 10 | 1:2.3.21-19.el10_2.1 | [ELSA-2026-41988](https://patchblox.com/security/data/fix/linux/elsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-devel ol 8 | 1:2.3.16-8.el8_10 | [ELSA-2026-46532](https://patchblox.com/security/data/fix/linux/elsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-devel ol 9 | 1:2.3.16-18.el9_8.1 | [ELSA-2026-41905](https://patchblox.com/security/data/fix/linux/elsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-flatcurve Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-flatcurve 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-flatcurve-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-flatcurve Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-flatcurve 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-flatcurve-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-gssapi Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-gssapi 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-gssapi-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-gssapi Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-gssapi 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-gssapi-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-gssapi Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-gssapi 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-gssapi-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-gssapi Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-gssapi 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-gssapi-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-imapd Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-imapd 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-imapd-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-imapd Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-imapd 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-imapd-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-imapd Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-imapd 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-imapd-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-imapd Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-imapd 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-imapd-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-ldap Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-ldap 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-ldap-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-ldap Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-ldap 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-ldap-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-ldap Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-ldap 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-ldap-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-ldap Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-ldap 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-ldap-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-lmtpd Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-lmtpd 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-lmtpd-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-lmtpd Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-lmtpd 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-lmtpd-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-lmtpd Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-lmtpd 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-lmtpd-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-lmtpd Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-lmtpd 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-lmtpd-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-lucene Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-lucene 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-lucene-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-managesieved Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-managesieved 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-managesieved-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-managesieved Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-managesieved 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-managesieved-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-managesieved Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-managesieved 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-managesieved-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-managesieved Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-managesieved 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-managesieved-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-mysql RHEL 8 | 1:2.3.16-8.el8_10 | [RHSA-2026:46532](https://patchblox.com/security/data/fix/linux/rhsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-mysql RHEL 9 | 1:2.3.16-18.el9_8.1 | [RHSA-2026:41905](https://patchblox.com/security/data/fix/linux/rhsa-2026-41905.md) | Jul 21, 2026 | | Linux | dovecot-mysql Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-mysql 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-mysql-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-mysql Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-mysql 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-mysql-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-mysql Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-mysql 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-mysql-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-mysql Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-mysql 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-mysql-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-mysql almalinux 10 | 1:2.3.21-19.el10_2.1 | [ALSA-2026:41988](https://patchblox.com/security/data/fix/linux/alsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-mysql almalinux 8 | 1:2.3.16-8.el8_10 | [ALSA-2026:46532](https://patchblox.com/security/data/fix/linux/alsa-2026-46532.md) | Jul 27, 2026 | | Linux | dovecot-mysql almalinux 9 | 1:2.3.16-18.el9_8.1 | [ALSA-2026:41905](https://patchblox.com/security/data/fix/linux/alsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-mysql ol 10 | 1:2.3.21-19.el10_2.1 | [ELSA-2026-41988](https://patchblox.com/security/data/fix/linux/elsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-mysql ol 8 | 1:2.3.16-8.el8_10 | [ELSA-2026-46532](https://patchblox.com/security/data/fix/linux/elsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-mysql ol 9 | 1:2.3.16-18.el9_8.1 | [ELSA-2026-41905](https://patchblox.com/security/data/fix/linux/elsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-pgsql RHEL 8 | 1:2.3.16-8.el8_10 | [RHSA-2026:46532](https://patchblox.com/security/data/fix/linux/rhsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-pgsql RHEL 9 | 1:2.3.16-18.el9_8.1 | [RHSA-2026:41905](https://patchblox.com/security/data/fix/linux/rhsa-2026-41905.md) | Jul 21, 2026 | | Linux | dovecot-pgsql Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-pgsql 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-pgsql-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-pgsql Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-pgsql 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-pgsql-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-pgsql Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-pgsql 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-pgsql-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-pgsql Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-pgsql 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-pgsql-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-pgsql almalinux 10 | 1:2.3.21-19.el10_2.1 | [ALSA-2026:41988](https://patchblox.com/security/data/fix/linux/alsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-pgsql almalinux 8 | 1:2.3.16-8.el8_10 | [ALSA-2026:46532](https://patchblox.com/security/data/fix/linux/alsa-2026-46532.md) | Jul 27, 2026 | | Linux | dovecot-pgsql almalinux 9 | 1:2.3.16-18.el9_8.1 | [ALSA-2026:41905](https://patchblox.com/security/data/fix/linux/alsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-pgsql ol 10 | 1:2.3.21-19.el10_2.1 | [ELSA-2026-41988](https://patchblox.com/security/data/fix/linux/elsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-pgsql ol 8 | 1:2.3.16-8.el8_10 | [ELSA-2026-46532](https://patchblox.com/security/data/fix/linux/elsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-pgsql ol 9 | 1:2.3.16-18.el9_8.1 | [ELSA-2026-41905](https://patchblox.com/security/data/fix/linux/elsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-pigeonhole RHEL 8 | 1:2.3.16-8.el8_10 | [RHSA-2026:46532](https://patchblox.com/security/data/fix/linux/rhsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-pigeonhole RHEL 9 | 1:2.3.16-18.el9_8.1 | [RHSA-2026:41905](https://patchblox.com/security/data/fix/linux/rhsa-2026-41905.md) | Jul 21, 2026 | | Linux | dovecot-pigeonhole almalinux 10 | 1:2.3.21-19.el10_2.1 | [ALSA-2026:41988](https://patchblox.com/security/data/fix/linux/alsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-pigeonhole almalinux 8 | 1:2.3.16-8.el8_10 | [ALSA-2026:46532](https://patchblox.com/security/data/fix/linux/alsa-2026-46532.md) | Jul 27, 2026 | | Linux | dovecot-pigeonhole almalinux 9 | 1:2.3.16-18.el9_8.1 | [ALSA-2026:41905](https://patchblox.com/security/data/fix/linux/alsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-pigeonhole ol 10 | 1:2.3.21-19.el10_2.1 | [ELSA-2026-41988](https://patchblox.com/security/data/fix/linux/elsa-2026-41988.md) | Jul 20, 2026 | | Linux | dovecot-pigeonhole ol 8 | 1:2.3.16-8.el8_10 | [ELSA-2026-46532](https://patchblox.com/security/data/fix/linux/elsa-2026-46532.md) | Jul 28, 2026 | | Linux | dovecot-pigeonhole ol 9 | 1:2.3.16-18.el9_8.1 | [ELSA-2026-41905](https://patchblox.com/security/data/fix/linux/elsa-2026-41905.md) | Jul 20, 2026 | | Linux | dovecot-pop3d Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-pop3d 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-pop3d-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-pop3d Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-pop3d 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-pop3d-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-pop3d Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-pop3d 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-pop3d-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-pop3d Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-pop3d 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-pop3d-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-sieve Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-sieve-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-sieve Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-sieve 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-sieve-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-sieve Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-sieve 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-sieve-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-sieve Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-sieve 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-sieve-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-solr Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-solr 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-solr-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-solr Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-solr 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-solr-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-solr Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-solr 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-solr-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-solr Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-solr 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-solr-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-sqlite Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-sqlite 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-sqlite-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-sqlite Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-sqlite 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-sqlite-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-sqlite Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-sqlite 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-sqlite-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-sqlite Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-sqlite 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-sqlite-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 2026 | | Linux | dovecot-submissiond Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | [dovecot-submissiond 1:2.3.16+dfsg1-3ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-submissiond-1-2.3.16-dfsg1-3ubuntu2.9.md) | May 12, 2026 | | Linux | dovecot-submissiond Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | [dovecot-submissiond 1:2.3.21+dfsg1-2ubuntu6.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-submissiond-1-2.3.21-dfsg1-2ubuntu6.5.md) | May 12, 2026 | | Linux | dovecot-submissiond Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | [dovecot-submissiond 1:2.4.1+dfsg1-5ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dovecot-submissiond-1-2.4.1-dfsg1-5ubuntu4.2.md) | May 12, 2026 | | Linux | dovecot-submissiond Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | [dovecot-submissiond 1:2.4.2+dfsg1-3ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dovecot-submissiond-1-2.4.2-dfsg1-3ubuntu2.1.md) | May 12, 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 | 2.4.4-160000.1.1 | [OPENSUSE-SU-2026:21109-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21109-1.md) | Jun 19, 2026 | | Linux | dovecot24 sles 16.0 | 2.4.4-160000.1.1 | [SUSE-SU-2026:22185-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22185-1.md) | Jun 19, 2026 | --- Data as of 2026-11-08T06:59:42Z 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.