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EulerOS 2.0 SP15 : curl (EulerOS-SA-2026-2920)

high Nessus Plugin ID 332955

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

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

 A vulnerability, which was classified as problematic, has been found in cURL up to 8.19.0 (Network Utility Software). Affected by this issue is some unknown functionality of the component SMB Connection Handler.
 Upgrading to version 8.20.0 eliminates this vulnerability.(CVE-2026-5773)

 A vulnerability has been found in cURL up to 8.19.0 (Network Utility Software) and classified as problematic. This vulnerability affects an unknown code of the component Cookie Handler. Upgrading to version 8.20.0 eliminates this vulnerability.(CVE-2026-6276)

 A vulnerability was found in cURL up to 8.19.0 (Network Utility Software). It has been classified as problematic. Affected is some unknown processing of the component Cross-Proxy Digest Auth Handler.
 Upgrading to version 8.20.0 eliminates this vulnerability.(CVE-2026-7168)

 A vulnerability, which was classified as problematic, was found in cURL up to 8.19.0 (Network Utility Software). This affects an unknown part of the component Redirect-to Proxy Handler. Upgrading to version 8.20.0 eliminates this vulnerability.(CVE-2026-6253)

 VUL-0: CVE-2026-6429: curl: netrc credential leak with reused proxy connection(CVE-2026-6429)

 VUL-0: CVE-2026-5545: curl: wrong reuse of HTTP Negotiate connection(CVE-2026-5545)

 VUL-0: CVE-2026-4873: curl: connection reuse ignores TLS requirement(CVE-2026-4873)

Tenable has extracted the preceding description block directly from the EulerOS curl security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected curl packages.

See Also

http://www.nessus.org/u?c75df340

Plugin Details

Severity: High

ID: 332955

File Name: EulerOS_SA-2026-2920.nasl

Version: 1.1

Type: Local

Published: 8/6/2026

Updated: 8/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.14

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-5773

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

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

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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/6/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-4873, CVE-2026-5545, CVE-2026-5773, CVE-2026-6253, CVE-2026-6276, CVE-2026-6429, CVE-2026-7168