openSUSE 16: ansible-rmt-server / rmt-server / rmt-server-config / etc (openSUSE-SU-2026:21225-1)

medium Nessus Plugin ID 325255

Synopsis

The remote openSUSE host is missing a security update.

Description

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21225-1 advisory.

This update for rmt-server fixes the following issue

Update to 3.0.0:

- CVE-2026-42256: net-imap: hostile server can perform a DoS on client authenticating a connection with SCRAM-SHA1 or SCRAM-SHA2 (bsc#1265369).

Changes for rmt-server:

- Version 3.0.0
* Security fix: Remove unused ActionMailer/ActionMailbox components to eliminate CVE-2026-42256 (bsc#1265369)
* Split Rails meta-gem into individual components for better security control
- Version 2.26
* Add support for processing, storing, and syncing system profiles (jsc#TEL-265)
- Version 2.25
* fix rmt-cli list and purge commands for large data (bsc#1253146 and bsc#1253147)
* Fix mirroring of SLE16 NVIDIA-GPU-Compute-Toolkit-CUDA repo (bsc#1256826)
* Support for new redirect_repo_hosts config, to exclude some repo hosts from mirroring, and send clients directly there (jsc#SCC-452)
* rmt-server-pubcloud
* Clearer error message (bsc#1256883)
* Handle zypper response when data exporter raises an error (bsc#1257133)
* Add Valkey + Sidekiq for async processing
* Enable mirroring xz compressed repositories (bsc#1246976)
* Rack 2.2.20 security update (bsc#1253953, bsc#1251937)
* Drop some de-published products from RMT
* Include Live-Patching for SLES 15.X (jsc#PCT-630)
* Handle only one data exporter (bsc#1248869)
* Do not decode instance data from db to access registry (bsc#1248510)
* Handle instance verification exceptions

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

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

Solution

Update the affected ansible-rmt-server, rmt-server, rmt-server-config and / or rmt-server-pubcloud packages.

Plugin Details

Severity: Medium

ID: 325255

File Name: openSUSE-2026-21225-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/6/2026

Updated: 7/6/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-42256

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:rmt-server, p-cpe:/a:novell:opensuse:rmt-server-config, p-cpe:/a:novell:opensuse:rmt-server-pubcloud, cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:ansible-rmt-server

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: 7/3/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-42256

Detections

Analytics