CVE-2026-21714

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOWUPDATE frames on stream 0 connection-level that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerabili...

UBUNTU-CVE-2026-21714

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOWUPDATE frames on stream 0 connection-level that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerabili...

CVE-2026-21714

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOWUPDATE frames on stream 0 connection-level that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerabili...

CVE-2026-21714

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOWUPDATE frames on stream 0 connection-level that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerabili...

CVE-2026-21714

CVE-2026-21714 is a memory leak in Node.js HTTP/2 that occurs when a client sends WINDOW_UPDATE frames on stream 0, preventing proper Http2Session cleanup and potentially exhausting resources. Affected: Node.js 20, 22, 24, and 25. Connected advisories report fixes in downstream distributions: e.g...

JLSEC-2026-2 Envoy is a cloud-native high-performance edge/middle/service proxy

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy’s HTTP/2 codec may leak a header map and bookkeeping structures upon receiving RSTSTREAM immediately followed by the GOAWAY frames from an upstream server. In nghttp2, cleanup of pending requests due to receipt of the GOAWA...

EUVD-2023-39929

Malicious code in bioql PyPI...

nodejs: GOAWAY HTTP/2 frames cause memory leak outside heap

A vulnerability was found in NodeJS when handling HTTP/2 connections, where the remote peer abruptly closes the socket without sending the proper HTTP/2 notification to the server, leading to a memory leak. This flaw allows an attacker to force the targeted process in the targeted host to an...

nodejs: GOAWAY HTTP/2 frames cause memory leak outside heap

A vulnerability was found in NodeJS when handling HTTP/2 connections, where the remote peer abruptly closes the socket without sending the proper HTTP/2 notification to the server, leading to a memory leak. This flaw allows an attacker to force the targeted process in the targeted host to an...

SUSE CVE-2023-35945

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy's HTTP/2 codec may leak a header map and bookkeeping structures upon receiving RSTSTREAM immediately followed by the GOAWAY frames from an upstream server. In nghttp2, cleanup of pending requests due to receipt of the GOAWA...

Apache Tomcat 9.0.0.M1 < 9.0.0.M19 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 9.0.0.M19. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat9.0.0.m19security-9 advisory. - In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the refactoring of the HTTP connecto...

GHSA-RGGV-CV7R-MW98 Connection leaking on idle timeout when TCP congested

Impact If an HTTP/2 connection gets TCP congested, when an idle timeout occurs the HTTP/2 session is marked as closed, and then a GOAWAY frame is queued to be written. However it is not written because the connection is TCP congested. When another idle timeout period elapses, it is then supposed ...

Connection leaking on idle timeout when TCP congested

Impact If an HTTP/2 connection gets TCP congested, when an idle timeout occurs the HTTP/2 session is marked as closed, and then a GOAWAY frame is queued to be written. However it is not written because the connection is TCP congested. When another idle timeout period elapses, it is then supposed ...

OESA-2023-1506 nghttp2 security update

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2. Security Fixes: Envoy is a cloud-native high-performance edge/middle/service proxy...

AZL-27667 CVE-2023-35945 affecting package cmake for versions less than 3.21.4-8

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy’s HTTP/2 codec may leak a header map and bookkeeping structures upon receiving RSTSTREAM immediately followed by the GOAWAY frames from an upstream server. In nghttp2, cleanup of pending requests due to receipt of the GOAWA...

golang: net/http: handle server errors after sending GOAWAY

A flaw was found in the golang package. In net/http in Go, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if a fatal error preempts the shutdown...

Improper Resource Shutdown or Release in Apache Tomcat

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the handling of an HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection that were currently waiting for a WINDOWUPDATE before allowing the application to write more data. These waiting streams each...

Denial of Service (DoS)

Overview grpc/grpc-swift is a Swift language implementation of gRPC. Affected versions of this package are vulnerable to Denial of Service DoS via reachable assertion, due to an incorrect logic when handling GOAWAY frames. Details Denial of Service DoS describes a family of attacks, all aimed at...

grpc 安全漏洞

grpc is a Cloud Native Computing Foundation codebase for rpc connectivity applications. A security vulnerability exists in grpc-swift versions prior to 1.7.2, which stems from incorrect logic when handling GOAWAY frames...

Caleb Doxsey pomerium 代码问题漏洞

Caleb Doxsey pomerium is a Caleb Doxsey open source application. An identity agent that allows secure access to internal applications. A code issue vulnerability exists in Pomerium that stems from the fact that the Envoy on which Pomerium is based may terminate abnormally if an H/2 GOAWAY and...