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openSUSE 389-ds Important Denial of Service CVE-2026-9064

opensuse
Calendar Grey June 10, 2026
Scroller Opensuse
Address important 389-ds security issue on openSUSE to prevent DoS attacks as per SUSE-SU-2026:2316-1.
An update that solves one vulnerability can now be installed.

Description

This update for 389-ds fixes the following issue

* CVE-2026-9064: unbounded LDAP controls count in

`get_ldapmessage_controls_ext()` can lead to amplified CPU time and heap

allocation and a denial of service (bsc#1265898).

Changes for 389-ds:

* Update to version 2.0.20~git90.9f70d434e.

Topics%20covered

Topics Covered

security advisory DoS important OpenSUSE 389-ds CVE-2026-9064

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2316=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2316=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2316=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2316=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2316=1

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* 389-ds-snmp-debuginfo-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-debugsource-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-snmp-2.0.20~git90.9f70d434e-150400.3.51.1

* libsvrcore0-debuginfo-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-debuginfo-2.0.20~git90.9f70d434e-150400.3.51.1

* libsvrcore0-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-2.0.20~git90.9f70d434e-150400.3.51.1

* lib389-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-devel-2.0.20~git90.9f70d434e-150400.3.51.1

* SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)

* 389-ds-debugsource-2.0.20~git90.9f70d434e-150400.3.51.1

* libsvrcore0-debuginfo-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-debuginfo-2.0.20~git90.9f70d434e-150400.3.51.1

* libsvrcore0-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-2.0.20~git90.9f70d434e-150400.3.51.1

* lib389-2.0.20~git90.9f70d434e-150400.3.51.1

* 389-ds-devel-2.0.20~git90.9f70d434e-150400.3.51.1

* SUSE Linux Enterprise Server for SAP...

Read the Full Advisory

References

* bsc#1265898

## References:

* https://www.suse.com/security/cve/CVE-2026-9064.html

* https://bugzilla.suse.com/show_bug.cgi?id=1265898

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2316-1
Release Date: 2026-06-09T12:52:23Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory DoS important OpenSUSE 389-ds CVE-2026-9064

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