EulerOS 2.0 SP10 : mod_http2 (EulerOS-SA-2025-2423)

high Nessus Plugin ID 274859

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the mod_http2 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2.

Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to 'on'.(CVE-2025-49630)

Tenable has extracted the preceding description block directly from the EulerOS mod_http2 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 mod_http2 packages.

See Also

http://www.nessus.org/u?1ea68b43

Plugin Details

Severity: High

ID: 274859

File Name: EulerOS_SA-2025-2423.nasl

Version: 1.1

Type: local

Published: 11/12/2025

Updated: 11/12/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2025-49630

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:mod_http2, 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: 11/11/2025

Vulnerability Publication Date: 7/8/2025

Reference Information

CVE: CVE-2025-49630