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EulerOS 2.0 SP11 : python-pyasn1 (EulerOS-SA-2026-2225)

high Nessus Plugin ID 319951

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the python-pyasn1 packages installed, the EulerOS 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 python-pyasn1 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 python-pyasn1 packages.

See Also

http://www.nessus.org/u?7fb20219

Plugin Details

Severity: High

ID: 319951

File Name: EulerOS_SA-2026-2225.nasl

Version: 1.1

Type: Local

Published: 6/9/2026

Updated: 6/9/2026

Supported Sensors: 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-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: p-cpe:/a:huawei:euleros:python3-pyasn1, p-cpe:/a:huawei:euleros:python-pyasn1-help, cpe:/o:huawei:euleros:2.0

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: 6/8/2026

Vulnerability Publication Date: 1/16/2026

Reference Information

CVE: CVE-2026-23490