Detections
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EulerOS Virtualization 2.12.1 : expat (EulerOS-SA-2026-2073)

high Nessus Plugin ID 319396

Synopsis

The remote EulerOS Virtualization host is missing multiple security updates.

Description

According to the versions of the expat package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

 In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.(CVE-2026-24515)

 In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.(CVE-2026-25210)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization expat 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 expat packages.

See Also

http://www.nessus.org/u?910f2bc7

Plugin Details

Severity: High

ID: 319396

File Name: EulerOS_SA-2026-2073.nasl

Version: 1.1

Type: Local

Published: 6/6/2026

Updated: 6/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-25210

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:huawei:euleros:uvp:2.12.1, p-cpe:/a:huawei:euleros:expat

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 1/23/2026

Reference Information

CVE: CVE-2026-24515, CVE-2026-25210

IAVA: 2026-A-0100-S