GHSA-PRJ3-CCX8-P6X4 Netty affected by MadeYouReset HTTP/2 DDoS vulnerability

Below is a technical explanation of a newly discovered vulnerability in HTTP/2, which we refer to as “MadeYouReset.” MadeYouReset Vulnerability Summary The MadeYouReset DDoS vulnerability is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to brea...

tomcat: http/2 "MadeYouReset" DoS attack through HTTP/2 control frames

A flaw was found in Apache Tomcat where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream...

CVE-2025-54500 HTTP/2 Vulnerability

An HTTP/2 implementation flaw allows a denial-of-service DoS that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit HTTP/2 MadeYouReset Attack. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2025-55163 Netty MadeYouReset HTTP/2 DDoS Vulnerability

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent...

CVE-2025-55163 Netty MadeYouReset HTTP/2 DDoS Vulnerability

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent...

CVE-2025-55163

Netty (HTTP/2) vulnerability CVE-2025-55163: a logic flaw in HTTP/2 control frames (MadeYouReset) can bypass max concurrent streams, causing resource exhaustion and DoS. Affected: Netty versions before 4.1.124.Final and 4.2.4.Final. Impact: high availability risk; no confidentiality/integrity imp...

CVE-2025-48989 Apache Tomcat: h2 DoS - Made You Reset

Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected...

A Coordinated Response to MadeYouReset HTTP/2 Protocol Attacks

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PT-2025-32984

Name of the Vulnerable Software and Affected Versions AMPHP affected versions not specified Apache Tomcat affected versions not specified Eclipse Foundation affected versions not specified F5 affected versions not specified Fastly affected versions not specified gRPC affected versions not specifi...

CVE-2025-48989: Improper Resource Shutdown or Release

Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected...

BIT-LIBPYTHON-2024-9287 Virtual environment (venv) activation scripts don't quote paths

A vulnerability has been found in the CPython venv module and CLI where path names provided when creating a virtual environment were not quoted properly, allowing the creator to inject commands into virtual environment "activation" scripts ie "source venv/bin/activate". This means that...

Europol Disrupts NoName057(16) Hacktivist Group Linked to DDoS Attacks Against Ukraine

An international operation coordinated by Europol has disrupted the infrastructure of a pro-Russian hacktivist group known as NoName05716 that has been linked to a string of distributed denial-of-service DDoS attacks against Ukraine and its allies. The actions have led to the dismantling of a maj...

CMS Made Simple <= 2.2.21 Multiple Vulnerabilities

CMS Made Simple is prone to multiple cross-site scripting XSS 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 =...

CVE-2025-4670: Improper Neutralization of Input During Web Page Generation

The Easy Digital Downloads – eCommerce Payments and Subscriptions made easy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's eddreceipt shortcode in all versions up to, and including, 3.3.8.1 due to insufficient input sanitization and output escaping on user...

CVE-2025-5153

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The...

CVE-2025-5153

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The...

CVE-2025-5153

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The...

CVE-2025-5153 CMS Made Simple Design Manager Module cross site scripting

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The...

CVE-2025-5153

CMS Made Simple 2.2.21 is affected by a cross-site scripting vulnerability in the Design Manager Module, caused by improper handling of the Description argument. Exploitation is possible remotely and details have been disclosed publicly. No patch/version fix is provided in the documents; several ...

CVE-2025-5153 CMS Made Simple Design Manager Module cross site scripting

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The...