Linux · 
Red Hat · Security advisory · July 21, 2026
Red Hat · Security advisory · July 21, 2026RHSA-2026:41905: Security update for 5 packages
RHSA-2026:41905, released July 21, 2026, fixes 1 CVE across 5 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
0.0062
50th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| dovecot | RHEL 9 | 1:2.3.16-18.el9_8.1 |
| dovecot-devel | RHEL 9 | 1:2.3.16-18.el9_8.1 |
| dovecot-mysql | RHEL 9 | 1:2.3.16-18.el9_8.1 |
| dovecot-pgsql | RHEL 9 | 1:2.3.16-18.el9_8.1 |
| dovecot-pigeonhole | RHEL 9 | 1:2.3.16-18.el9_8.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-42006 | dovecot: An attacker can cause uncontrolled memory usage with excessive bracing over IMAP | 7.5 | 0.0062 | None reported |
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