tomcat: Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame

A flaw was found in Apache Tomcat. This vulnerability allows an application-level denial of service DoS, causing it to become unresponsive or slow via maliciously crafted HTTP/2 prioritization headers. It performs an incomplete cleanup of failed requests, which triggers a memory leak...

tomcat: Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame

A flaw was found in Apache Tomcat. This vulnerability allows an application-level denial of service DoS, causing it to become unresponsive or slow via maliciously crafted HTTP/2 prioritization headers. It performs an incomplete cleanup of failed requests, which triggers a memory leak...

SUSE CVE-2025-52434

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 throug...

GHSA-25XR-QJ8W-C4VF Apache Tomcat Coyote vulnerable to Denial of Service via excessive HTTP/2 streams

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...

GHSA-4J3C-42XV-3F84 Apache Tomcat Utilities is vulnerable to resource exhaustion when using the APR/Native connector

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 throug...

UBUNTU-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...

DEBIAN-CVE-2025-52434

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 throug...

UBUNTU-CVE-2025-52434

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 throug...

Allocation of Resources Without Limits or Throttling

Overview org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via HTTP/2 multiplexing feature. an attacker can trigger resource exhaustion by creating excessive HTTP/2 strea...

Allocation of Resources Without Limits or Throttling

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via HTTP/2 multiplexing feature. an attacker can trigger resource exhaustion by creating excessive HTTP/2...

undertow: potential security issue in flow control over HTTP/2 may lead to DOS(incomplete fix for CVE-2021-3629)

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over HTTP/2 may cause overhead or a denial of service in the server...

OESA-2025-1659 trafficserver security update

Apache Traffic Server is an OpenSource HTTP / HTTPS / HTTP/2 / QUIC reverse, forward and transparent proxy and cache. Security Fixes: Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2...

Race Condition

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Race Condition on connection close when using the APR/Native connector. An attacker could trigger a JVM crash by rapidly opening and closing HTTP/2 connections...

SUSE CVE-2025-5991

There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP handling is not affected by this at all. This happens due to a race condition between how QHttp2Stream uploads the body of a POST request and the simultaneous...

Important: libsoup3

Issue Overview: A flaw was found in libsoup. The implementation of HTTP range requests is vulnerable to a resource consumption attack. This flaw allows a malicious client to request the same range many times in a single HTTP request, causing the server to use large amounts of memory. CVE-2025-329...

GHSA-889J-63JV-QHR8 Eclipse Jetty HTTP/2 client can force the server to allocate a humongous byte buffer that may lead to OoM and subsequently the JVM to exit

Original Report In Eclipse Jetty versions 12.0.0 to 12.0.16 included, an HTTP/2 client can specify a very large value for the HTTP/2 settings parameter SETTINGSMAXHEADERLISTSIZE. The Jetty HTTP/2 server does not perform validation on this setting, and tries to allocate a ByteBuffer of the specifi...

Eclipse Jetty 安全漏洞

Eclipse Jetty is an open source, Java-based web server and Java Servlet container from the Eclipse Foundation. A security vulnerability exists in Eclipse Jetty versions 12.0.0 through 12.0.16, which originates from an HTTP/2 server that does not validate the SETTINGSMAXHEADERLISTSIZE setting, whi...

F5 BIG-IP 代码问题漏洞

F5 BIG-IP is an application delivery platform that integrates network traffic management, application security management, and load balancing from F5 USA. A code issue vulnerability exists in F5 BIG-IP that stems from HTTP/2 configuration leading to TMM termination...

Medium: docker

Issue Overview: In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error. CVE-2022-27664 Affected Packages: docker Note: This advisory is applicable to Amazon...

USN-7469-2 tomcat8 vulnerability

USN-7469-1 fixed a vulnerability in Apache Traffic Server. This update provides the corresponding updates for Apache Tomcat. Original advisory details: It was discovered that Apache Traffic Server exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use thi...