SUSE SLES15 Security Update : rmt-server (SUSE-SU-2026:3792-1)

medium Nessus Plugin ID 341027

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3792-1 advisory.

This update for rmt-server fixes the following issue:

Update to version 3.1 (bsc#1274715).

- 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 3.1:
* Remove all errors and warnings due to new Ruby and Ruby on Rails versions
- Version 3.0:
* Split Rails meta-gem into individual components for better security control
- Version 3.0.alpha:
* Update Ruby to version 3.4.8 and Rails to version 7.1.6

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 rmt-server, rmt-server-config and / or rmt-server-pubcloud packages.

Plugin Details

Severity: Medium

ID: 341027

File Name: suse_SU-2026-3792-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/27/2026

Updated: 8/27/2026

Supported Sensors: Agentless Assessment, 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: 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: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:rmt-server-config, p-cpe:/a:novell:suse_linux:rmt-server-pubcloud, p-cpe:/a:novell:suse_linux: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: 8/25/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-42256

SuSE: SUSE-SU-2026:3792-1

Detections

Analytics