openSUSE 16: ctdb / ctdb-pcp-pmda / ldb-tools / libldb-devel / libldb2 / etc (openSUSE-SU-2026:21475-1)

high Nessus Plugin ID 331556

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-2026:21475-1 advisory.

- CVE-2026-6949: TSIG packet with crafted name compression can crash internal DNS server (bsc#1271672).
- CVE-2026-15779: `pam_winbind` module with `mkhomedir` set allows `chown` of critical system paths without validation (bsc#1271469).
- CVE-2026-58216: 6-byte heap OOB read in packet parser of the `kpasswd` service (bsc#1271674).
- CVE-2026-58218: DNS TKEY negotiation stores unauthenticated GSS contexts in a fixed FIFO before authentication completes (bsc#1271675).
- CVE-2026-58221: authenticated LDAP access to internal LDB special DNs permits domain takeover (bsc#1271676).
- CVE-2026-58222: LDAP Compare filter injection and trusted-request confusion disclose protected attributes (bsc#1271677).
- CVE-2026-58224: heap OOB read due to unchecked packet length fields in CTDB (bsc#1271673).

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: High

ID: 331556

File Name: openSUSE-2026-21475-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/1/2026

Updated: 8/1/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-58222

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:ctdb-pcp-pmda, p-cpe:/a:novell:opensuse:ctdb, p-cpe:/a:novell:opensuse:ldb-tools, p-cpe:/a:novell:opensuse:libldb-devel, p-cpe:/a:novell:opensuse:libldb2, p-cpe:/a:novell:opensuse:python3-ldb, p-cpe:/a:novell:opensuse:samba-ad-dc-libs, p-cpe:/a:novell:opensuse:samba-ad-dc, p-cpe:/a:novell:opensuse:samba-ceph, p-cpe:/a:novell:opensuse:samba-client-libs, p-cpe:/a:novell:opensuse:samba-client, p-cpe:/a:novell:opensuse:samba-dcerpc, p-cpe:/a:novell:opensuse:samba-devel, p-cpe:/a:novell:opensuse:samba-dsdb-modules, p-cpe:/a:novell:opensuse:samba-gpupdate, p-cpe:/a:novell:opensuse:samba-ldb-ldap, p-cpe:/a:novell:opensuse:samba-libs-python3, p-cpe:/a:novell:opensuse:samba-libs, p-cpe:/a:novell:opensuse:samba-python3, p-cpe:/a:novell:opensuse:samba-test, p-cpe:/a:novell:opensuse:samba-tool, p-cpe:/a:novell:opensuse:samba-winbind-libs, p-cpe:/a:novell:opensuse:samba-winbind, p-cpe:/a:novell:opensuse:samba

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: 7/29/2026

Vulnerability Publication Date: 7/15/2026

Reference Information

CVE: CVE-2026-15779, CVE-2026-58216, CVE-2026-58218, CVE-2026-58221, CVE-2026-58222, CVE-2026-58224, CVE-2026-6949

IAVA: 2026-A-0794

Detections

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