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EulerOS 2.0 SP13 : httpd (EulerOS-SA-2026-3020)

critical Nessus Plugin ID 332824

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

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

 Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.

 This issue affects Apache HTTP Server: through 2.4.66.

 Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-34032)

 A flaw was found in the `mod_dav_fs` module of Apache HTTP Server. A WebDAV (Web Distributed Authoring and Versioning) content author could exploit a path handling issue to directly manipulate trusted DAV property databases. This manipulation could potentially lead to child process crashes, resulting in a Denial of Service (DoS).(CVE-2026-42535)

 Out-of-bounds Read vulnerability in mod_proxy_ajp of

 Apache HTTP Server.

 This issue affects Apache HTTP Server: through 2.4.66.

 Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-33857)

 Buffer Over-read vulnerability in Apache HTTP Server.

 This issue affects Apache HTTP Server: through 2.4.66.

 Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-34059)

 Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content

 This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

 Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-42536)

 Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server

 This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

 Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-44185)

 Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration.

 This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

 Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-44631)

 Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server.
 If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.

 This issue affects Apache HTTP Server: through 2.4.66.

 Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-28780)

 HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.

 This issue affects Apache HTTP Server: from through 2.4.66.

 Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-33523)

 A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs.

 The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0.

 Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.(CVE-2026-29169)

 Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.

 This issue affects Apache HTTP Server: from through 2.4.67.

 Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-44119)

 A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration.

 Users are recommended to upgrade to version 2.4.68, which fixes this issue.(CVE-2026-29170)

 Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie*

 This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

 Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-34356)

 A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker.

 Users are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-33006)

 Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages.

 This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.(CVE-2026-43951)

 Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTTP Server with an attacker controlled backend FTP server.

 This issue affects undefined: from 2.4.0 through 2.4.67.

 Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-44186)

 An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.

 Users are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-24072)

 Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data.

 This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66.

 Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-29168)

 A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.

 Users are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-33007)

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

See Also

http://www.nessus.org/u?e28e5f35

Plugin Details

Severity: Critical

ID: 332824

File Name: EulerOS_SA-2026-3020.nasl

Version: 1.1

Type: Local

Published: 8/6/2026

Updated: 8/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 99.06

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-44631

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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:httpd-devel, p-cpe:/a:huawei:euleros:httpd-filesystem, p-cpe:/a:huawei:euleros:httpd-help, p-cpe:/a:huawei:euleros:httpd-tools, p-cpe:/a:huawei:euleros:httpd, p-cpe:/a:huawei:euleros:mod_ssl

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: 5/4/2026

Reference Information

CVE: CVE-2026-24072, CVE-2026-28780, CVE-2026-29168, CVE-2026-29169, CVE-2026-29170, CVE-2026-33006, CVE-2026-33007, CVE-2026-33523, CVE-2026-33857, CVE-2026-34032, CVE-2026-34059, CVE-2026-34356, CVE-2026-42535, CVE-2026-42536, CVE-2026-43951, CVE-2026-44119, CVE-2026-44185, CVE-2026-44186, CVE-2026-44631