RLSA-2026:64785: 389-ds-base security update

RLSA-2026:64785, released September 9, 2026, fixes 5 CVEs in 389-ds-base (version 0:3.2.0-10.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0085

58th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 1
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
389-ds-base	rocky 10	0:3.2.0-10.el10_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-18922	389-ds-base: A flaw was found in 389 Directory Server	9.8	0.0056	None reported
High	CVE-2026-18453	389-ds-base: A flaw was found in 389 Directory Server	9.8	0.0085	None reported
High	CVE-2026-18355	389-ds-base: A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base)	9.8	0.0084	None reported
High	CVE-2026-78701	389-ds-base: A flaw was found in 389-ds-base	9.8	0.0078	None reported
High	CVE-2026-76560	389-ds-base: A flaw was found in 389 Directory Server	9.8	0.0056	None reported

Also fixes CVE-2026-18922

SUSE-SU-2026:4929-1
389-ds on sles 15.6
SUSE-SU-2026:4380-1
389-ds on sles 15.7
OPENSUSE-SU-2026:21950-1
389-ds on opensuse-leap 16.0
SUSE-SU-2026:23916-1
389-ds on sles 16.0
ALSA-2026:64784
389-ds-base, 389-ds-base-devel, 389-ds-base-libs and 2 more on almalinux 9
ALSA-2026:64785
389-ds-base, 389-ds-base-bdb, 389-ds-base-devel and 3 more on almalinux 10
RHSA-2026:64784
389-ds-base, 389-ds-base-devel, 389-ds-base-libs and 2 more on RHEL 9
RLSA-2026:64784
389-ds-base on rocky 9

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:64785

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