CVE-2024-43394: Server-Side Request Forgery (SSRF)

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-2024-42516: Improper Input Validation

HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP...

CVE-2025-49812: Improper Authentication

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-2025-49630: Reachable Assertion

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-2025-23048: Improper Access Control

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...

CVE-2024-43204: Server-Side Request Forgery (SSRF)

SSRF in Apache HTTP Server with modproxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where modheaders is configured to modify the Content-Type request or response header with a value provided in the HTTP request...

Apache HTTP Server Access Control Vulnerability

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. An Access Control Error vulnerability exists in Apache HTTP Server, which can be exploited by an attacker to cause an access contr...

PT-2025-29120

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions 2.4.17 through 2.4.63 Description: A late release of memory after effective lifetime issue exists in Apache HTTP Server. Recommendations: Upgrade to version 2.4.64...

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. An unspecified vulnerability exists in Apache HTTP Server that stems from insufficient escaping of user-supplied data by modssl,...

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 denial of service vulnerability exists in Apache HTTP Server, which stems from a modproxyhttp2 assertion failure that can be...

PT-2025-29220 · Apache · Apache Http Server

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server affected versions not specified Description: A flaw exists that may allow unauthenticated remote code execution when a malicious folder is created via the web interface HTTP when it is enabled. HTTP is disabled by default...

Important: Red Hat Security Advisory: mod_auth_openidc security update

An update for modauthopenidc is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

mod_auth_openidc: DoS via Empty POST in mod_auth_openidc with OIDCPreservePost Enabled

A flaw was found in the modauthopenidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

mod_auth_openidc: DoS via Empty POST in mod_auth_openidc with OIDCPreservePost Enabled

A flaw was found in the modauthopenidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Important: Red Hat Security Advisory: mod_auth_openidc security update

An update for modauthopenidc is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

RHEL 8 : mod_auth_openidc:2.3 (RHSA-2025:10006)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:10006 advisory. The modauthopenidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Conne...

RHEL 8 : mod_auth_openidc:2.3 (RHSA-2025:10004)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:10004 advisory. The modauthopenidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Conne...

RHEL 9 : mod_auth_openidc (RHSA-2025:10007)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:10007 advisory. The modauthopenidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Conne...