Linux · Rocky Linux · Security advisory · June 17, 2026

RLSA-2026:26205: postfix security update

RLSA-2026:26205, released June 17, 2026, fixes 1 CVE in postfix (version 2:3.5.25-3.el9_8). 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
0.0051
43rd percentile

Fixed package versions

ProductReleaseFixed in
postfixrocky 92:3.5.25-3.el9_8

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-43964 Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number.7.5 0.0051 None reported
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