Linux · Debian · Security advisory · March 27, 2026

DEBIAN-CVE-2025-59028: dovecot security update

DEBIAN-CVE-2025-59028, released March 27, 2026, fixes 1 CVE in dovecot. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0046
40th percentile

Fixed package versions

ProductReleaseFixed in
dovecotDebian 13.5 (trixie)1:2.4.1+dfsg1-6+deb13u4
dovecotDebian 141:2.4.3+dfsg1-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2025-59028 dovecot: When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authent...7.5 0.0046 None reported
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