Linux · 
Red Hat · Security advisory · June 24, 2026
Red Hat · Security advisory · June 24, 2026RHSA-2026:26205: Security update for 9 packages
RHSA-2026:26205, released June 24, 2026, fixes 1 CVE across 9 products. 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
| Product | Release | Fixed in |
|---|---|---|
| postfix | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-cdb | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-ldap | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-lmdb | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-mysql | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-pcre | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-perl-scripts | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-pgsql | RHEL 9 | 2:3.5.25-3.el9_8 |
| postfix-sqlite | RHEL 9 | 2:3.5.25-3.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| 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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