Apache HTTP Server 2.4.17 < 2.4.64 DoS Vulnerability - Windows

Apache HTTP Server is prone to a denial of service DoS vulnerability via HTTP/2. 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 < 2.4.64 Multiple Vulnerabilities - Linux

Apache HTTP Server is prone to multiple vulnerabilities. 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 = "cpe:/a:apache:httpserver"; if...

Apache HTTP Server 2.4.26 < 2.4.64 DoS Vulnerability - Linux

Apache HTTP Server is prone to a denial of service DoS vulnerability in modproxyhttp2. 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 2.4.x < 2.4.64 Multiple Vulnerabilities

The version of Apache httpd installed on the remote host is prior to 2.4.64. It is, therefore, affected by multiple vulnerabilities as referenced in the 2.4.64 advisory. - In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can ...

SUSE CVE-2024-43394

Server-Side Request Forgery SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via modrewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note: The Apache HTTP Server...

CVE-2025-53020

A memory exhaustion flaw has been discovered in the Apache HTTP server. In some instances, the Apache HTTP server fails to free memory. Given sufficient time, this may lead to the host operating system killing the web server in order to reclaim memory. Mitigation Mitigation for this issue is eith...

CVE-2024-43394

A Server-Side Request Forgery SSRF flaw was found in Apache HTTP Server on Windows. This issue can allow NTLM hashes to be leaked to a malicious server via modrewrite or apache expressions that pass unvalidated request input. Mitigation Mitigation for this issue is either not available or the...

CVE-2025-49630

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with...

CVE-2025-49812

In some modssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected. Users are recommend...

CVE-2025-53020

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue...

AZL-65220 CVE-2025-49630 affecting package httpd for versions less than 2.4.64-1

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with...

AZL-65133 CVE-2025-49630 affecting package mod_http2 1.15.14-2

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with...

DEBIAN-CVE-2025-53020

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue...

AZL-65109 CVE-2025-53020 affecting package httpd for versions less than 2.4.64-1

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue...

CVE-2024-47252

Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%varnamex" or "%varnamec" to log variables...

CVE-2025-23048

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

AZL-65172 CVE-2024-47252 affecting package httpd for versions less than 2.4.64-1

Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%varnamex" or "%varnamec" to log variables...

CVE-2024-43394

Server-Side Request Forgery SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via modrewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note: The Apache HTTP Server...

ALPINE-CVE-2024-43394

Server-Side Request Forgery SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via modrewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note: The Apache HTTP Server...

ALPINE-CVE-2024-47252

Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%varnamex" or "%varnamec" to log variables...