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EulerOS 2.0 SP15 : libsolv (EulerOS-SA-2026-3809)

high Nessus Plugin ID 346770

Synopsis

The remote EulerOS host is missing a security update.

Description

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

 A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processing this crafted signature could lead to a denial of service in automated package or repository processing workflows.(CVE-2026-48863)

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

See Also

http://www.nessus.org/u?ec1ef6b6

Plugin Details

Severity: High

ID: 346770

File Name: EulerOS_SA-2026-3809.nasl

Version: 1.1

Type: Local

Published: 9/17/2026

Updated: 9/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

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-2026-48863

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:2.0, p-cpe:/a:huawei:euleros:libsolv-help, p-cpe:/a:huawei:euleros:libsolv

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-2026-48863

IAVA: 2026-A-0561