Apache HTTP Server security vulnerabilities

Apache HTTP Server is the United States Apache Apache Foundation of an open source web server . The server is fast, reliable and can be expanded through a simple API. A code execution vulnerability exists in Apache HTTP Server versions 2.4.7 through 2.4.65, which can be exploited by an attacker t...

CVE-2025-55753: Integer Overflow or Wraparound

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

CVE-2025-58098: Insertion of Sensitive Information Into Sent Data

Apache HTTP Server 2.4.65 and earlier with Server Side Includes SSI enabled and modcgid but not modcgi passes the shell-escaped query string to exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upgrade to version 2.4.66, which fixes the issue...

CVE-2025-65082: Improper Neutralization of Escape, Meta, or Control Sequences

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through...

CVE-2025-66200: Authentication Bypass Using an Alternate Path or Channel

moduserdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65. Users are...

CVE-2025-59775: Server-Side Request Forgery (SSRF)

Server-Side Request Forgery SSRF vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.66, which fixes...

Linux Distros Unpatched Vulnerability : CVE-2025-65082

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration...

Linux Distros Unpatched Vulnerability : CVE-2025-66200

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - moduserdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can...

Apache HTTP Server 2.4.7 - 2.4.65 Authentication Bypass Vulnerability - Windows

Apache HTTP Server is prone to an authentication bypass vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Apache HTTP Server 2.4.7 - 2.4.65 Authentication Bypass Vulnerability - Linux

Apache HTTP Server is prone to an authentication bypass vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Apache HTTP Server 2.4.x < 2.4.66 Improper Neutralization Vulnerability - Windows

Apache HTTP Server is prone to an improper neutralization vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Apache HTTP Server 2.4.x < 2.4.66 Improper Neutralization Vulnerability - Linux

Apache HTTP Server is prone to an improper neutralization vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Apache HTTP Server 2.4.30 - 2.4.65 Integer Overflow Vulnerability - Linux

Apache HTTP Server is prone to an integer overflow vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Apache HTTP Server < 2.4.66 SSI Vulnerability - Linux

Apache HTTP Server is prone to a Server Side Includes SSI vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

K000158042: Apache HTTP server vulnerabilities CVE-2024-47252 and CVE-2025-49812

Security Advisory Description CVE-2024-47252 Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/Transport Layer Security TLS client to insert escape characters into log files in some configurations. In a logging configuration whe...

PT-2025-48329

CVE-2025-66233 - Apache HTTP Server Authentication Bypass CVE ID : CVE-2025-66233 Published : Nov. 26, 2025, 4:15 a.m. | 2 hours, 49 minutes ago Description : Rejected reason: Not used Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...

PT-2025-48330

CVE-2025-66234 - Apache HTTP Server Unauthenticated Remote Code Execution CVE ID : CVE-2025-66234 Published : Nov. 26, 2025, 4:15 a.m. | 2 hours, 49 minutes ago Description : Rejected reason: Not used Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products,...

Huawei EulerOS: Security Advisory for mod_http2 (EulerOS-SA-2025-2440)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

PT-2025-47419

CVE-2025-13216 - Apache HTTP Server Remote Code Execution CVE ID : CVE-2025-13216 Published : Nov. 17, 2025, 7:16 p.m. | 2 hours, 24 minutes ago Description : Rejected reason: REJECT DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error. Notes: All references and descriptio...

PT-2025-47099

CVE-2025-65067 - Apache HTTP Server Unvalidated User Input CVE ID : CVE-2025-65067 Published : Nov. 15, 2025, 4:15 a.m. | 58 minutes ago Description : Rejected reason: Not used Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...