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EulerOS 2.0 SP13 : libwebsockets (EulerOS-SA-2026-1287)

high Nessus Plugin ID 301635

Synopsis

The remote EulerOS host is missing a security update.

Description

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

 Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilation, to overflow the label_stack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer than the maximum.(CVE-2025-11678)

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

See Also

http://www.nessus.org/u?25e6ae73

Plugin Details

Severity: High

ID: 301635

File Name: EulerOS_SA-2026-1287.nasl

Version: 1.1

Type: local

Published: 3/10/2026

Updated: 3/10/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2025-11678

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

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

CVSS v4

Risk Factor: High

Base Score: 7.5

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:libwebsockets, 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: 10/20/2025

Reference Information

CVE: CVE-2025-11678