CVE-2026-54556 Http4s: HTTP/2 Denial of Service with Ember Backend

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, an unauthenticated HTTP/2 peer can cause an out-of-memory denial of service in the Ember backend with HTTP/2 enabled. The Hpack wrapper in ember-core/shared/src/main/scala/org/http4s/ember/core/h2/Hpack.scala...

EUVD-2026-66558

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, an unauthenticated HTTP/2 peer can cause an out-of-memory denial of service in the Ember backend with HTTP/2 enabled. The Hpack wrapper in ember-core/shared/src/main/scala/org/http4s/ember/core/h2/Hpack.scala...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

Important: Red Hat Security Advisory: golang security, bug fix, and enhancement update

An update for golang is now available for Red Hat Enterprise Linux 10. 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 available for each vulnerability from t...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

RLSA-2026:60004 Low: httpd security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in modldap per-directory configuration CVE-2026-29167 For more details about the securit...

RLSA-2026:59347 Low: httpd security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in modldap per-directory configuration CVE-2026-29167 For more details about the securit...

httpd security update

An update is available for httpd. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The httpd packages provide the Apache HTTP Server, a powerful, efficient, and...

RLSA-2026:59387 Moderate: mod_http2 security, bug fix, and enhancement update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd: Apache HTTP Server:...

WordPress WP Fastest Cache plugin <= 1.5.0 - Unauthenticated Stored Cross-Site Scripting via HTTP Host Header vulnerability

Unauthenticated Stored Cross-Site Scripting via HTTP Host Header vulnerability discovered by Adrien Brunner in WordPress Plugin WP Fastest Cache versions = 1.5.0...

FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection

A flaw was found in FreeRDP. A malicious or compromised Remote Desktop Protocol RDP server can exploit this vulnerability to inject arbitrary headers or requests into an HTTP proxy CONNECT request. This occurs because FreeRDP does not properly validate control characters in the server-controlled...

httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in mod_ldap per-directory configuration

A flaw was found in Apache HTTP Server when using the modldap module in a per-directory configuration. This use-after-free vulnerability allows a remote attacker to potentially execute arbitrary code or cause a denial of service DoS due to improper memory handling. This could lead to system...

CVE-2022-23642

PoC per Sourcegraph Gitserver 3.37.0 RCE CVE-2022-23642 Sourcegraph precedente alla 3.37.0 presenta una vulnerabilità di esecuzione di codice remota sul suo servizio gitserver. Ciò è dovuto alla mancanza di restrizioni sull'esecuzione della configurazione git, quindi "core.sshCommand" può essere...

CVE-2023-44487

HTTP/2 Rapid Reset: CVE-2023-44487 Descrizione Questo repository contiene il codice proof-of-concept PoC per la vulnerabilità HTTP/2 Rapid Reset identificata come CVE-2023-44487. Panoramica della vulnerabilità ID CVE : CVE-2023-44487 Impatto : Denial of Service DoS Protocolli interessati : HTTP/2...

POC-CVE-2023-32681

POC per CVE-2023-32681 Questa è un'implementazione Python 3 di CVE-2023-32681, che colpisce i client che utilizzano la versione requests = 2.30.0. Come da https://www.rfc-editor.org/rfc/rfc9110.htmlsection-15.4, ogni volta che il server emette un reindirizzamento 3xx, lo user-agent dovrebbe...

CVE-2025-53887

creationtimestamp| type| source ---|---|--- 2026-08-26 06:00:06+00:00| confirmed| https://github.com/projectdiscovery/nuclei-templates/tree/main/http/cves/2025/CVE-2025-53887.yaml 2026-08-27 00:00:08+00:00| confirmed|...

EUVD-2026-66249

The WP Fastest Cache – WordPress Cache Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via HTTP Host Header in all versions up to, and including, 1.5.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inje...

Incorrect Authorization

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Incorrect Authorization via the FormAuthenticator and AuthenticatorBase FORM authentication flow. An attacker can bypass a security...

Improper Validation of Unsafe Equivalence in Input

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Validation of Unsafe Equivalence in Input in the HTTP/2 request handling. An attacker can bypass strict SNI validation by...