AZL-65175 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-65112 CVE-2025-49812 affecting package httpd for versions less than 2.4.64-1

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...

ALPINE-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...

ALPINE-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...

DEBIAN-CVE-2024-42516

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...

DEBIAN-CVE-2024-43204

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...

UBUNTU-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...

UBUNTU-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...

SUSE 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...

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...

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...

modsecurity: ModSecurity Has Possible DoS Vulnerability

A flaw was found in the modsecurity2 Apache2 module. Versions up to and including 2.9.8 are vulnerable to denial of service in one special case. In stable released versions, when the payload's content type is application/json, at least one rule performs a sanitiseMatchedBytes action, a security...

PT-2025-24053 · Apache · Apache Server

Name of the Vulnerable Software and Affected Versions: Apache Server versions prior to the fixed version Description: An improper neutralization of inputs used in expression language allows remote code execution with the highest privileges on the server. This issue affects the Apache Server,...

OESA-2025-1563 mod_security security update

This software is also called Modsec,it is an open-source web application firewall. It is designed for Apache HTTP Server.ModSecurity is commonly deployed to provide protections against generic classed of vulnerabilities.The install of this package is easy and you can read the README.TXT for more...

ABB M2M Gateway HTTP Request Smuggling in embedded Apache HTTP Server (CVE-2023-25690)

Some modproxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when modproxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some portion of the...

CVE-2002-2309

php.exe in PHP 3.0 through 4.2.2, when running on Apache, does not terminate properly, which allows remote attackers to cause a denial of service via a direct request without arguments...

CVE-1999-0236

ScriptAlias directory in NCSA and Apache httpd allowed attackers to read CGI programs...

mod_auth_openidc: mod_auth_openidc allows OIDCProviderAuthRequestMethod POSTs to leak protected data

A flaw was found in modauthopenidc, an OpenID Connect authentication module for Apache HTTP Server. This vulnerability allows unauthenticated users to access protected content via crafted HTTP POST requests to protected resources when no application-level gateway is present...

mod_auth_openidc: mod_auth_openidc allows OIDCProviderAuthRequestMethod POSTs to leak protected data

A flaw was found in modauthopenidc, an OpenID Connect authentication module for Apache HTTP Server. This vulnerability allows unauthenticated users to access protected content via crafted HTTP POST requests to protected resources when no application-level gateway is present...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-38475link is external Apache HTTP Server Improper Escaping of Output Vulnerability CVE-2023-44221link is external SonicWall SMA100 Appliances OS Command...