Tenable Nessus 10.8.0 <= 10.8.6 / 10.9.0 < 10.9.6 / 10.10.0 <= 10.10.1 / 10.11.0 < 10.11.1 Multiple Vulnerabilities (TNS-2025-24)

critical Nessus Plugin ID 278743

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Synopsis

An instance of Nessus installed on the remote system is affected by multiple vulnerabilities.

Description

According to its self-reported version, the Tenable Nessus application running on the remote host is 10.8.0 prior or equal to 10.8.6, 10.9.0 prior to 10.9.6, 10.10.0 prior or equal to 10.10.1 and 10.11.0 prior to 10.11.1. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2025-24 advisory.

- xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes. (CVE-2024-55549)

- A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path=.../> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors. (CVE-2025-49794)

- A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory. (CVE-2025-49796)

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

Solution

Upgrade to Tenable Nessus 10.9.6, 10.11.1 or later.

Plugin Details

Severity: Critical

ID: 278743

File Name: nessus_TNS-2025-24.nasl

Version: 1.1

Type: combined

Agent: windows, macosx, unix

Family: Misc.

Published: 12/16/2025

Updated: 12/16/2025

Configuration: Enable thorough checks (optional)

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 9.4

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

CVSS Score Source: CVE-2025-49796

CVSS v3

Risk Factor: Critical

Base Score: 9.1

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

Vulnerability Information

CPE: cpe:/a:tenable:nessus

Required KB Items: installed_sw/Tenable Nessus

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/15/2025

Vulnerability Publication Date: 12/12/2023

Reference Information

CVE: CVE-2024-55549, CVE-2024-8176, CVE-2025-10911, CVE-2025-11731, CVE-2025-49794, CVE-2025-49796, CVE-2025-59375, CVE-2025-6021, CVE-2025-6170, CVE-2025-7425

Detections

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