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EulerOS 2.0 SP15 : expat (EulerOS-SA-2026-3803)

medium Nessus Plugin ID 346754

Synopsis

The remote EulerOS host is missing a security update.

Description

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

 libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation.
 Thus, a use-after-free can occur,(CVE-2026-50219)

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

See Also

http://www.nessus.org/u?34cdef86

Plugin Details

Severity: Medium

ID: 346754

File Name: EulerOS_SA-2026-3803.nasl

Version: 1.1

Type: Local

Published: 9/17/2026

Updated: 9/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.8

Percentile: 22.24

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-50219

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:expat-devel, p-cpe:/a:huawei:euleros:expat-help, p-cpe:/a:huawei:euleros:expat

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

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/17/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-50219

IAVA: 2026-A-0650-S