RedGuard

RedGuard - Excellent C2 Front Flow Control tool English | 中文文档 0x00 Introduction What is RedGuard RedGuard, a derivative tool based on command and control C2 front flow control technology, has a lighter design, efficient traffic interaction, and reliable compatibility with development in the go...

Proof-of-Concept-POC---CVE-2026-49975-HTTP-2-Bomb-

CVE-2026-49975 - HTTP/2 Bomb Proof of Concept Description CVE-2026-49975, also known as HTTP/2 Bomb , is a remote denial-of-service DoS vulnerability that affects most major web servers in their default HTTP/2 configuration. The vulnerability was discovered by OpenAI Codex by combining two...

Important: nginx

Issue Overview: An HTTP/2 denial of service vulnerability was found in nginx. Prior to the fix, there was no limit on the number of request headers a client could send. An attacker could seed the HPACK dynamic table with a header, then emit thousands of indexed references that each cost significa...

CVE-2026-49975-POC

CVE-2026-49975 — HTTP/2 Bomb PoC Proof-of-concept exploit for CVE-2026-49975, a remote denial-of-service vulnerability in HTTP/2 server implementations. Discovered by Quang Luong Calif Security Research, disclosed June 2, 2026. For authorized security testing only. Do not use against infrastructu...

http2-bomb-detector

http2-bomb-detector HTTP/2 Bomb CVE-2026-49975 Non-destructive vulnerability detection tool — for Nginx / Apache httpd Vulnerability Background CVE-2026-49975 is a widespread remote denial-of-service vulnerability in the HTTP/2 protocol layer, discovered by security researcher Quang Luong. This...

CVE-2026-49975

CVE-2026-49975 HTTP/2 Bomb PoC HTTP/2 Remote Denial of Service Vulnerability Replication Tool Vulnerability Overview CVE-2026-49975 is an HTTP/2 denial of service vulnerability affecting major web servers. The vulnerability was discovered by security company Calif using OpenAI Codex in early June...

http2-bomb-analysis-paper

HTTP/2 Bomb: HPACK Indexed-Reference Amplification Chain Attack A high school student's independent technical deep-dive June 2026 TL;DR This repository contains my complete analysis of the HTTP/2 Bomb vulnerability CVE-2026-49975 / CVE-2026-47774, which chains two decades-old HTTP/2 primitives:...

cve-2026-49975-http2bomb_reproduction

CVE-2026-49975 HTTP/2 Bomb Complete Reproduction Guide Based on QiAnXin CERT Advisory + Calif Original Research ================================================================ I. Vulnerability Overview CVE-2026-49975 is a critical denial-of-service DoS vulnerability in HTTP/2 server and proxy...

fides

Securing AI Agents with Information-Flow Control This repository contains a Jupyter notebook to accompany the academic paper "Securing AI Agents with Information-Flow Control". The notebook is structured as a tutorial to walk readers through the concepts introduced in the paper. This illustrates ...

DEBIAN-CVE-2026-85534

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534

A flaw in libsoup 's HTTP/2 client can crash the process when a malicious server manipulates flow-control settings. When a client sends a request body from a non-pollable input stream , the library may buffer more data than the current flow-control window allows. A remote HTTP/2 server can then s...

EUVD-2026-70997

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534 Libsoup: libsoup: http/2 client crash in on_data_source_read_callback when settings initial_window_size shrinks during deferred body read

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

Linux Distros Unpatched Vulnerability : CVE-2026-85534

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

AZL-99171 CVE-2026-84304 affecting package cf-cli 8.7.11-8

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

CVE-2026-84304 gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

CVE-2026-67591

A flaw was found in Apache Qpid ProtonJ2. An authenticated attacker can exploit this vulnerability by exceeding the session flow control incoming window. This can lead to a denial of service DoS, making the system unavailable to legitimate users. Mitigation Ensure authenticated access to AMQP...