RLSA-2026:55530: 389-ds-base security update

RLSA-2026:55530, released August 17, 2026, fixes 3 CVEs in 389-ds-base (version 0:1.4.3.39-26.module+el8.10.0+40279+2d6f642b). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0083

57th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
389-ds-base	rocky 8	0:1.4.3.39-26.module+el8.10.0+40279+2d6f642b

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-15722	389-ds-base: A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base)	7.5	0.0083	None reported
High	CVE-2026-11788	389-ds-base: A flaw was found in 389 Directory Server	7.5	0.0056	None reported
High	CVE-2026-11770	389-ds-base: A flaw was found in 389 Directory Server	7.5	0.0053	None reported

Also fixes CVE-2026-15722

RHSA-2026:55423
389-ds-base, 389-ds-base-devel, 389-ds-base-libs and 2 more on RHEL 9
RHSA-2026:55530
389-ds-base, 389-ds-base-devel, 389-ds-base-legacy-tools and 3 more on RHEL 8
RHSA-2026:55425
389-ds-base on RHEL 10
RLSA-2026:55424
389-ds-base on rocky 10
RLSA-2026:55423
389-ds-base on rocky 9
ALSA-2026:55423
389-ds-base, 389-ds-base-devel, 389-ds-base-libs and 2 more on almalinux 9
ALSA-2026:55424
389-ds-base, 389-ds-base-bdb, 389-ds-base-devel and 3 more on almalinux 10
ALSA-2026:55530
389-ds-base, 389-ds-base-devel, 389-ds-base-legacy-tools and 3 more on almalinux 8

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:55530

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