undertow: Undertow MadeYouReset HTTP/2 DDoS Vulnerability

A flaw was found in Undertow 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 aborts...

CVE-2026-4271 Libsoup: libsoup: denial of service via use-after-free in http/2 server

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

OESA-2025-2166 lighttpd security update

Secure, fast, compliant and very flexible web-server which has been optimized for high-performance environments. It has a very low memory footprint compared to other webservers and takes care of cpu-load. Its advanced feature-set FastCGI, CGI, Auth, Output-Compression, URL-Rewriting and many more...

Security update for netty

This update for netty fixes the following issues: CVE-2025-55163: Fixed "MadeYouReset" DoS attack in HTTP/2 protocol including DNS over HTTPS bsc1247991 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

TencentOS Server 4: suricata (TSSA-2025:0649)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0649 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2025-5115 MadeYouReset HTTP/2 vulnerability

In Eclipse Jetty, versions =9.4.57, =10.0.25, =11.0.25, =12.0.21, =12.1.0.alpha2, an HTTP/2 client may trigger the server to send RSTSTREAM frames, for example by sending frames that are malformed or that should not be sent in a particular stream state, therefore forcing the server to consume...

tomcat: Apache Tomcat denial of service

A denial of service flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability, where an HTTP/2 client fails to acknowledge the initial settings frame that reduces the maximum permitted concurrent streams, could result in a denial of service...

[SECURITY] Fedora 41 Update: rust-h2-0.4.12-1.fc41

An HTTP/2 client and server...

Netty 安全漏洞

Netty is a non-blocking I/O client-server framework from the Netty community, which is primarily used for developing Java web applications such as protocol servers and clients. A security vulnerability exists in Netty versions prior to 4.1.124.Final and 4.2.4.Final, which stems from a flaw in the...

HTTP/2 implementations are vulnerable to "MadeYouReset" DoS attack through HTTP/2 control frames

Overview A vulnerability has been discovered within many HTTP/2 implementations allowing for denial of service DoS attacks through HTTP/2 control frames. This vulnerability is colloquially known as "MadeYouReset" and is tracked as CVE-2025-8671. Some vendors have assigned a specific CVE to their...

SUSE Linux多款产品 安全漏洞

SUSE Linux Enterprise Desktop is an enterprise server version of the Linux desktop operating system from SUSE Germany. A security vulnerability exists in various SUSE Linux products that originates from a stream reset in the HTTP/2 implementation that results in excessive consumption of server...

Security update for tomcat

This update for tomcat fixes the following issues: CVE-2025-52520: Fixed integer overflow can lead to DoS for some unlikely configurations of multipart upload bsc1246388 CVE-2025-53506: Fixed uncontrolled resource HTTP/2 client consumption vulnerability bsc1246318 Patch Instructions: To install...

jetty-http2-common: Jetty HTTP/2 Header List Size Vulnerability

A flaw was found in Eclipse Jetty. This vulnerability allows denial of service attack via an HTTP/2 client specifying a very large value for the SETTINGSMAXHEADERLISTSIZE parameter...

CLSA-2025-1742319076 Fix CVE(s): CVE-2023-44487

SECURITY UPDATE: The HTTP/2 protocol allows a denial of service because request cancellation can reset many streams quickly - debian/patches/CVE-2023-44487.patch: HTTP/2 - per-iteration stream handling limit. - CVE-2023-44487...

nodejs: CONTINUATION frames DoS

A vulnerability was found in how Node.js implements the HTTP/2 protocol. There are insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single stream. This issue could allow an unauthenticated, remote attacker to send packets to vulnerable servers, which...

AZL-39202 CVE-2023-45288 affecting package packer for versions less than 1.10.1-2

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no...

CVE-2024-30255 HTTP/2: CPU exhaustion due to CONTINUATION frame flood

Envoy is a cloud-native, open source edge and service proxy. The HTTP/2 protocol stack in Envoy versions prior to 1.29.3, 1.28.2, 1.27.4, and 1.26.8 are vulnerable to CPU exhaustion due to flood of CONTINUATION frames. Envoy's HTTP/2 codec allows the client to send an unlimited number of...

Apache Traffic Server 输入验证错误漏洞

Apache Traffic Server ATS is the United States Apache Apache Foundation's set of scalable HTTP proxy and caching server. Apache Traffic Server suffers from an input validation error vulnerability that stems from continuation frame flooding in the HTTP/2 stack, which can be exploited by an attacke...

Apache HTTP Server DoS

The vulnerability of the Apache HTTP Server is related to the blocking of HTTP/2 connection processing, if the initial window size is set to 0. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...