EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2753)

high Nessus Plugin ID 328535

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

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

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.(CVE-2026-23490)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization 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 remote EulerOS Virtualization host.

See Also

http://www.nessus.org/u?853867c7

Plugin Details

Severity: High

ID: 328535

File Name: EulerOS_SA-2026-2753.nasl

Version: 1.1

Type: Local

Published: 7/21/2026

Updated: 7/21/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.27

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-2026-23490

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

Vulnerability Information

CPE: cpe:/o:huawei:euleros:uvp:2.12.1, p-cpe:/a:huawei:euleros:python3-pyasn1

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: 7/20/2026

Vulnerability Publication Date: 1/16/2026

Reference Information

CVE: CVE-2026-23490