SUSE SLED15: libruby2_5-2_5 / ruby2.5 / ruby2.5-devel / ruby2.5-devel-extra / etc (SUSE-SU-2026:3556-1)

high Nessus Plugin ID 334716

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3556-1 advisory.

This update for ruby2.5 fixes the following issue

- CVE-2026-41316: erb: @_init deserialization guard bypass via def_module / def_method / def_class (bsc#1262441).

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 packages.

Plugin Details

Severity: High

ID: 334716

File Name: suse_SU-2026-3556-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/12/2026

Updated: 8/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-41316

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/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:suse_linux:15, p-cpe:/a:novell:suse_linux:libruby2_5-2_5, p-cpe:/a:novell:suse_linux:ruby2.5-devel-extra, p-cpe:/a:novell:suse_linux:ruby2.5-devel, p-cpe:/a:novell:suse_linux:ruby2.5-stdlib, p-cpe:/a:novell:suse_linux:ruby2.5

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: 8/10/2026

Vulnerability Publication Date: 4/24/2026

Reference Information

CVE: CVE-2026-41316

SuSE: SUSE-SU-2026:3556-1

Detections

Analytics