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Multiple Vulnerabilities in Apache HTTP Server

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: CRITICAL

Software Affected

Apache HTTP Server versions prior to 2.4.68

Overview

Multiple vulnerabilities have been reported in Apache HTTP Server which could be exploited by an attacker to bypass security restrictions, disclose sensitive information, escalate privileges, execute arbitrary code, perform cross-site scripting attacks, or cause denial of service (DoS) condition on the targeted system.

Target Audience:

System administrators, DevOps teams and organizations managing Apache HTTP Server.

Risk Assessment:

High risk of unauthorized access to sensitive data, bypass of security controls, possible remote code execution, privilege escalation, or disruption of services.

Impact Assessment:

Potential for arbitrary code execution, sensitive information disclosure, privilege escalation, system compromise, or service disruption.

Description

Apache HTTP Server is an open-source web server platform widely used for hosting web applications and websites, known for its reliability, performance, and cross-platform support.

Multiple vulnerabilities exist in Apache HTTP Server due to improper memory handling, insufficient access control, improper path validation, improper input validation, cross-site scripting issues, resource management flaws, and improper handling of backend responses in various components including mod_ldap, mod_proxy_ftp, mod_proxy_html, mod_dav_fs, mod_xml2enc, mod_headers, mod_mime, mod_ssl, and mod_http2.

Successful exploitation of these vulnerabilities could allow an attacker to disclose sensitive information, perform cross-site scripting attacks, bypass security restrictions, escalate privileges, execute arbitrary code, corrupt memory, or cause denial of service (DoS) condition on the targeted system.

Solution

Apply appropriate updates as mentioned by the vendor:

https://httpd.apache.org/security/vulnerabilities_24.html#2.4.68

Vendor Information

Apache HTTP Server

https://httpd.apache.org/security/vulnerabilities_24.html#2.4.68

References

Apache HTTP Server

https://httpd.apache.org/security/vulnerabilities_24.html#2.4.68

CVE Name

CVE-2026-29167

CVE-2026-29170

CVE-2026-34355

CVE-2026-34356

CVE-2026-42535

CVE-2026-42536

CVE-2026-43951

CVE-2026-44119

CVE-2026-44185

CVE-2026-44186

CVE-2026-44631

CVE-2026-48913

CVE-2026-49975

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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