CVE-2025-55163

A flaw was found in Netty 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...

F5 Networks BIG-IP : HTTP/2 vulnerability (K000152001)

The version of F5 Networks BIG-IP installed on the remote host is prior to 15.1.10.8 / 16.1.6.1 / 17.1.3 / 17.5.1.2. It is, therefore, affected by a vulnerability as referenced in the K000152001 advisory. An HTTP/2 implementation flaw allows a denial-of-service DoS that uses malformed HTTP/2...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the improper handling of concurrently active streams per connection. An attacker can cause resource exhaustion and disrupt service availability by rapidly sending crafted...

CVE-2025-54500

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-2025-54500

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-2025-54500 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-2025-54500 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-2025-54500

CVE-2025-54500 describes an HTTP/2 implementation flaw that allows a DoS via malformed HTTP/2 control frames to break the max concurrent streams limit (the MadeYouReset attack). Affected products are F5 BIG-IP and BIG-IP Next families with multiple vulnerable branches; affected versions include B...

DEBIAN-CVE-2025-8671

A mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the internal architectures of some HTTP/2 implementations may result in excessive server resource consumption leading to denial-of-service DoS. By opening streams and then rapidly triggering the serv...

PT-2025-33005

Name of the Vulnerable Software and Affected Versions: Affected versions not specified Description: An implementation flaw in HTTP/2 can lead to a denial-of-service DoS condition. This occurs through the use of malformed HTTP/2 control frames, which disrupt the maximum concurrent streams limit,...

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...

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...

OESA-2025-1892 tomcat security update

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Security Fixes: Concurrent Execution using Shar...

OESA-2025-1894 tomcat security update

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Security Fixes: Concurrent Execution using Shar...

SUSE CVE-2025-53506

Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1...

Missing Cryptographic Step

Overview Affected versions of this package are vulnerable to Missing Cryptographic Step via the RLPx process. An attacker can potentially access confidential information by exploiting the use of two CTR streams that share the same key, IV, and nonce, which may allow decryption of network traffic...

OESA-2025-1183 etcd security update

%expand: Security Fixes: A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows th...

OESA-2025-1182 etcd security update

%expand: Security Fixes: A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows th...

SUSE CVE-2021-32778

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. In affected versions envoy's procedure for resetting a HTTP/2 stream has ON^2 complexity, leading to high CPU utilization when a large number of streams are reset. Deployments are...

Apache Tomcat 8.5.0 < 8.5.58

The version of Tomcat installed on the remote host is prior to 8.5.58. It is, therefore, affected by a vulnerability as referenced in the fixedinapachetomcat8.5.58security-8 advisory. - If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57...