EulerOS 2.0 SP13 : libtasn1 (EulerOS-SA-2026-1286)

high Nessus Plugin ID 301630

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the libtasn1 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.(CVE-2025-13151)

Tenable has extracted the preceding description block directly from the EulerOS libtasn1 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 libtasn1 packages.

See Also

http://www.nessus.org/u?b03f790e

Plugin Details

Severity: High

ID: 301630

File Name: EulerOS_SA-2026-1286.nasl

Version: 1.1

Type: local

Published: 3/10/2026

Updated: 3/10/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2025-13151

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:libtasn1, 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: 3/10/2026

Vulnerability Publication Date: 1/7/2026

Reference Information

CVE: CVE-2025-13151

IAVA: 2026-A-0027