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Oracle Linux 8 Dovecot Important Denial of Service Advisory ELSA-2026-13830

oracle
Calendar Grey May 6, 2026
Oracle Linux Logo Esm H88
Updated Dovecot packages for Oracle Linux 8 address denial of service vulnerabilities. Read for updates and CVE references.
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[1:2.3.16-7] - fix CVE-2026-27858: denial of service via crafted message before authentication (RHEL-161630) - fix CVE-2025-59032: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command (RHEL-162282) - fix CVE-2026-27857: denial of service via specially crafted NOOP command (RHEL-161669)

Topics%20covered

Topics Covered

security advisory denial of service security fix important Dovecot Oracle Linux

SRPMs

http://oss.oracle.com/ol8/SRPMS-updates/dovecot-2.3.16-7.el8_10.src.rpm

x86_64

dovecot-2.3.16-7.el8_10.i686.rpm dovecot-2.3.16-7.el8_10.x86_64.rpm dovecot-devel-2.3.16-7.el8_10.i686.rpm dovecot-devel-2.3.16-7.el8_10.x86_64.rpm dovecot-mysql-2.3.16-7.el8_10.x86_64.rpm dovecot-pgsql-2.3.16-7.el8_10.x86_64.rpm dovecot-pigeonhole-2.3.16-7.el8_10.x86_64.rpm

aarch64

dovecot-2.3.16-7.el8_10.aarch64.rpm dovecot-devel-2.3.16-7.el8_10.aarch64.rpm dovecot-mysql-2.3.16-7.el8_10.aarch64.rpm dovecot-pgsql-2.3.16-7.el8_10.aarch64.rpm dovecot-pigeonhole-2.3.16-7.el8_10.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2025-59032 CVE-2026-27857 CVE-2026-27858

Topics%20covered

Topics Covered

security advisory denial of service security fix important Dovecot Oracle Linux

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