openSUSE 16 Security Update : 389-ds (openSUSE-SU-2026:21950-1)

critical Nessus Plugin ID 350775

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21950-1 advisory.

- CVE-2026-11770: pre-auth LDAP filter injection in CleanAllRUV status check (bsc#1273133).
- CVE-2026-18355: heap buffer overflow in the SASL I/O layer allows a remote authenticated attacker to cause a denial of service or potentially achieve remote code execution (bsc#1279864).
- CVE-2026-18453: 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (bsc#1279572).
- CVE-2026-18922: stale identity carried in a Cyrus SASL auxiliary property during SASL PLAIN authentication allows unauthenticated attackers to achieve privilege escalation to Directory Manager (bsc#1279865).
- CVE-2026-19843: unescaped LDAP DN in Cockpit 389 Console LDAP editor allows an LDAP user with delegated privileges to execute shell commands with root privileges on the directory server host (bsc#1279866).
- CVE-2026-76560: incorrect matching in the SELFDN ACI bind-rule evaluator allows an anonymous LDAP client to bypass access controls on directory entries containing empty SELFDN attributes (bsc#1279867).

Changes for 389-ds:

- Update to version 3.0.7~git2.2846d5288:

* Issue 7757 - stack-buffer-overflow caused by slapi_attr_init_syntax() (#7759)
* Issue 7796 - A large received replicaID can overflow the storage buffer (#7797)
* Issue 7041 - Add WebUI test for group member management (#7111)
* Issue 7808 - CI - harden online_import_nosync_test (#7809)
* Issue 7611 - PBKDF2 password verification should reject invalid iteration counts (#7632) (#7812)
* [Backport 389-ds-base-3.0] Update rust-dependencies (#7799)
* Issue 7595 - Remove the nightly dedup gate and fix dispatched test runs
* Fix expiration time check (#7718)
* Issue 7774 - Add backport action (#7775)
* Issue 7770 - Testimony failure in test_cleanruv_extop_security.py (#7771)
* Issue 3082 - Add test389.topologies compatibility shim for backports (#7725)
* Issue 7595 - Skip redundant CI runs to relieve the Actions queue (#7749)
* Issue 7760 - CI - harden dsconf_task_test.py
* Issue 4701 - Fix UAF when excluding attrs from retro changelog (#7730)
* Issue 7723 - Range search returns an empty result when its start key is removed (#7724)
* Issue 7639 - Move log compression outside of global write lock
* Issue 7631 - Don't install bpftrace by default (#7726)
* Issue 7735 - Heap overflow when parsing objectclass superior (#7736)
* Issue 7733 - Typo about nsuniqueid in tombstone_to_conflict (#7734)
* Issue 7707 - lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() in join_supplier/hub/consumer (#7708)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 350775

File Name: openSUSE-2026-21950-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/26/2026

Updated: 9/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.6

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-18922

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:389-ds-devel, p-cpe:/a:novell:opensuse:389-ds-snmp, p-cpe:/a:novell:opensuse:389-ds, p-cpe:/a:novell:opensuse:lib389, p-cpe:/a:novell:opensuse:libsvrcore0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2026

Vulnerability Publication Date: 7/2/2026

Reference Information

CVE: CVE-2026-11770, CVE-2026-18355, CVE-2026-18453, CVE-2026-18922, CVE-2026-19843, CVE-2026-76560

Detections

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