CVE
CVE-2025-59032
RHSA-2026:13857: dovecot security update (Important)
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: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command (CVE-2025-59032)
- dovecot: denial of service via crafted message before authentication (CVE-2026-27858)
- dovecot: denial of service via specially crafted NOOP command (CVE-2026-27857)
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
-
C
H
U
-
Related Resources
No items found.
References
https://access.redhat.com/errata/RHSA-2026:13857, https://access.redhat.com/security/cve/CVE-2025-59032, https://access.redhat.com/security/cve/CVE-2026-27857, https://access.redhat.com/security/cve/CVE-2026-27858
Basic Information
Ecosystem
