Detections
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SUSE SLED15 / SLES15 Security Update : ruby2.5 (SUSE-SU-2026:1066-1)

high Nessus Plugin ID 303945

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1066-1 advisory.

 - CVE-2024-49761: ReDoS vulnerability in REXML gem (bsc#1232440 bsc#1232441).
 - CVE-2025-58767: denial of service when parsing XML containing multiple XML declarations (bsc#1250016).
 - CVE-2026-27820: insufficient checks in `zstream_buffer_ungets` can lead to a buffer overflow (bsc#1259239).

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.

See Also

https://bugzilla.suse.com/1232440

https://bugzilla.suse.com/1232441

https://bugzilla.suse.com/1250016

https://bugzilla.suse.com/1259239

http://www.nessus.org/u?ea9383af

https://www.suse.com/security/cve/CVE-2024-49761

https://www.suse.com/security/cve/CVE-2025-58767

https://www.suse.com/security/cve/CVE-2026-27820

Plugin Details

Severity: High

ID: 303945

File Name: suse_SU-2026-1066-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/27/2026

Updated: 3/27/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2024-49761

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libruby2_5-2_5, p-cpe:/a:novell:suse_linux:ruby2.5-stdlib, p-cpe:/a:novell:suse_linux:ruby2.5, p-cpe:/a:novell:suse_linux:ruby2.5-devel-extra, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:ruby2.5-devel

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: 3/26/2026

Vulnerability Publication Date: 10/28/2024

Reference Information

CVE: CVE-2024-49761, CVE-2025-58767, CVE-2026-27820

SuSE: SUSE-SU-2026:1066-1