Linux · Security advisory · May 6, 2026

ELSA-2026-13857: Security update for 5 packages

ELSA-2026-13857, released May 6, 2026, fixes 3 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0080
56th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 3 Routine 0

Fixed package versions

ProductReleaseFixed in
dovecotol 91:2.3.16-15.el9_7.1
dovecot-develol 91:2.3.16-15.el9_7.1
dovecot-mysqlol 91:2.3.16-15.el9_7.1
dovecot-pgsqlol 91:2.3.16-15.el9_7.1
dovecot-pigeonholeol 91:2.3.16-15.el9_7.1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-27858 dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... 7.5 0.0080 None reported
High CVE-2025-59032 dovecot: ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response 7.5 0.0073 None reported
High CVE-2026-27857 dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... 7.5 0.0068 None reported
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