Dovecot Security Update — AlmaLinux 8 (ALSA-2026:46532)
This is a security release for AlmaLinux 8. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Fix Commands
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWhat this means under a SharedLicense license
dovecot on AlmaLinux 8 is the exposure surface; the advisory's own severity data tops out at CVSS .
Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.
Security Fix(es):
* dovecot: Dove…
Type:
security
Severity:
important
Release date:
2026-07-28
Description:
Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.
Security Fix(es):
* dovecot: Dovecot: Denial of Service via excessive IMAP bracing (CVE-2026-42006)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| aarch64 | dovecot-2.3.16-8.el8_10.aarch64.rpm | 04ef73ed6c7145e27e7c117d25ff9a41e9f2415e9852584896fd9ef545355f59 |
| aarch64 | dovecot-mysql-2.3.16-8.el8_10.aarch64.rpm | 05468fc38fb36b2e6a2b5e562852b35a840c6bd3272c64647980db9ba34894b3 |
| aarch64 | dovecot-pgsql-2.3.16-8.el8_10.aarch64.rpm | 6f0f6d6b2b22de068b4a4c9ee3171b75178f7fe9a5dfbe4dbf8011144390cec6 |
| aarch64 | dovecot-devel-2.3.16-8.el8_10.aarch64.rpm | 89856e598dd59ce242f85ac4faa5fbb61891cc80d20025a0c571f4fc5e000283 |
| aarch64 | dovecot-pigeonhole-2.3.16-8.el8_10.aarch64.rpm | df8207c81553c958f24668cfc62fb0dae74218515a396c21902d40c0d2c7bf37 |
| i686 | dovecot-devel-2.3.16-8.el8_10.i686.rpm | 26da4e50a3f757ea5d6e90c11749b5b61ec197a80f38cfbac44cc1d1f261f0ed |
| i686 | dovecot-2.3.16-8.el8_10.i686.rpm | 5edf2f7fe3eb1e105dbbe8bb0fd7019590725266a6bebf6cc6e5b02f83fe1008 |
| ppc64le | dovecot-pgsql-2.3.16-8.el8_10.ppc64le.rpm | 877f83170944dd5477cec0ef92aab7ef615cdc3592432289987a5bcf4c3be7c5 |
| ppc64le | dovecot-devel-2.3.16-8.el8_10.ppc64le.rpm | bd5642093eee8a2dac3bb69439eae826244eef44c7d8d01cb53c696a9c729ace |
| ppc64le | dovecot-mysql-2.3.16-8.el8_10.ppc64le.rpm | c3484e71ca2aebc14319f70c082f7120e522b8064b57164236f6e75074222e75 |
| ppc64le | dovecot-pigeonhole-2.3.16-8.el8_10.ppc64le.rpm | c8cd5a01b24dfac709899915a4f76e99c0406bf76e439c7cd9897a712b317708 |
| ppc64le | dovecot-2.3.16-8.el8_10.ppc64le.rpm | f375ea8657fb30e121068959fc35913333d66f09c5b1421128f33f81ee1c9614 |
| s390x | dovecot-devel-2.3.16-8.el8_10.s390x.rpm | 18db5eab5d06ee20739275347002da2505ac6cc588c7a036e34d91b0d7e9ba80 |
| s390x | dovecot-2.3.16-8.el8_10.s390x.rpm | 4cc9dbd669cc10fd8c5e36cdebce872e60261161b1f5448e9f4c360713e34e0b |
| s390x | dovecot-pigeonhole-2.3.16-8.el8_10.s390x.rpm | 8e8e32ecdfb642e9e07fb7c51923cd75e980ab56f3111e19da5ef371bf0ba4d7 |
| s390x | dovecot-mysql-2.3.16-8.el8_10.s390x.rpm | d454e80681db90df098e504290a787636557188a4aba9265f54410e23f3b1ad7 |
| s390x | dovecot-pgsql-2.3.16-8.el8_10.s390x.rpm | ef3960e5bc8a609574b3d8b9ac91357f904797f2ad1dae5da0ad922802f93280 |
| x86_64 | dovecot-pgsql-2.3.16-8.el8_10.x86_64.rpm | 20f1319f72bd287d13a4aad6f212db168fb73075a89745b11096dce0e62aab3d |
| x86_64 | dovecot-pigeonhole-2.3.16-8.el8_10.x86_64.rpm | 9e455ae2e2450aa356212a9de5ff0d135ef681837764d61b1aa2636d41a98e21 |
| x86_64 | dovecot-mysql-2.3.16-8.el8_10.x86_64.rpm | c9f6a69e07d6b97678a82d217c9a7042607423ba2488ef1498b0ed73deae5d83 |
| x86_64 | dovecot-devel-2.3.16-8.el8_10.x86_64.rpm | e458aef528bb068e8e9178611e0ab0afe1707d68b59b5522a95c2aa8a1b59c86 |
| x86_64 | dovecot-2.3.16-8.el8_10.x86_64.rpm | fdf8eeadbdbc98feda43866245b062a0bf12db37b41f03ef7af7040ce1e27b8d |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
Frequently Asked Questions
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References
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