Envoy-CPU-Exhaustion-Vulnerability-PoC

Envoy CPU Exhaustion Vulnerability PoC This repository contains a proof-of-concept PoC Python script to demonstrate the CPU exhaustion vulnerability in Envoy caused by a flood of CONTINUATION frames. Author: blackmagic 2024 Description Envoy is a cloud-native, open-source edge and service proxy...

CVE-2024-27316_poc

CVE-2024-27316 HTTP/2 CONTINUATION flood PoC Target server Apache httpd Start docker-compose up -d Connectivity check httpd v2.4.58 vulnerable curl --http2 -i --head http://localhost:3392/ curl --http2 -i --head -k https://localhost:3393/ httpd v2.4.59 fixed version curl --http2 -i --head...

cont-flood-poc

PoC for CVE-2023-45288 This is a proof-of-concept code for the CONTINUATION flood vulnerability found and documented by Bartek Nowotarski. The technical details are very well documented in his blog post here. While my focus was on the Go bug as documented by the researcher, this code should be...

dnSpy

dnSpyEx dnSpyEx is an unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor. You can use it to edit and debug assemblies even if you don't have any source code available. Main features: Debug .NET and Unity assemblies Edit .NET and Unity assemblies Light and da...

Zeebsploit

THIS PROJECT WILL STOP OR UPDATE ?...

CLEANSTART-2026-AN71108 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0

CVE-2026-33814 affects multiple packages. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0. See references for individual vulnerability details...

net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame

A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...

net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame

A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...

CVE-2024-27983-nodejs-http2

This repository builds up a vulnerable HTTP2 Node.js server server-nossl.js based on CVE-2024-27983 which exploits a continuation flood vulnerability in HTTP2 servers. Notes: server.js is found not vulnerable due to the use of SSL certificates. server-nossl.js is vulnerable to the continuation...

CLEANSTART-2026-KT14793 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0

Security vulnerability affects the temporal-server package. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...

Astra Linux – Vulnerability in nghttp2

nghttp2 is an implementation of the Hypertext Transfer Protocol Version 2 in C. The nghttp2 library prior to version 1.61.0 continued to read an unlimited number of HTTP/2 CONTINUATION frames even after a stream was reset, in order to keep the HPACK context synchronized. This caused excessive CPU...

net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame

A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...

CLEANSTART-2026-HC06922 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0

Security vulnerability affects the exoscale package. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...

CLEANSTART-2026-CN84558 attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames

Security vulnerability affects the cri-tools package. An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames...

CLEANSTART-2026-EH49722 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0

CVE-2026-33814 affects multiple packages. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0. See references for individual vulnerability details...

Rocky Linux 8 [CIQ] Security Update: libnghttp2 / libnghttp2-debuginfo / libnghttp2-devel / nghttp2 / etc (crlsa-2024_4252)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20244252 advisory. nghttp2: CONTINUATION frames DoS CVE-2024-28182 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that Nessus has...

Rocky Linux 9 [CIQ] Security Update: libnghttp2 / libnghttp2-debuginfo / libnghttp2-devel / nghttp2 / etc (crlsa-2024_3501)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20243501 advisory. nghttp2: CONTINUATION frames DoS CVE-2024-28182 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that Nessus has...

Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource (crlsa-2024_1939)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20241939 advisory. Mozilla: Denial of Service using HTTP/2 CONTINUATION frames CVE-2024-3302 Tenable has extracted the preceding description block directly from the CIQ security...

AlmaLinux 9.2 [TuxCare] Security Update: nodejs / nodejs-devel / nodejs-docs / nodejs-full-i18n / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1758294053)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1758294053 advisory. - The team has identified a critical vulnerability in the http server of the most recent version of Node, where malformed headers ca...

AlmaLinux 9.2 [TuxCare] Security Update: libnghttp2 / libnghttp2-devel / nghttp2 (ALMALINUX9.2:CLSA-2025:1765381441)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1765381441 advisory. - nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading t...