CVE-2026-49975-POC

CVE-2026-49975 — HTTP/2 炸弹 PoC 针对 CVE-2026-49975 的概念验证利用程序，这是一种影响 HTTP/2 服务器实现的远程拒绝服务漏洞。由 Quang Luong（Calif 安全研究）发现，于 2026 年 6 月 2 日公开披露。 仅供授权安全测试使用。切勿用于你不拥有或未经书面许可测试的基础设施。 工作原理 该攻击链式利用了两种 HTTP/2 协议机制： 1. HPACK 索引引用炸弹 HPACK（RFC...

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

CVE-2026-49975 - HTTP/2 Bomb Proof of Concept Descripción CVE-2026-49975, también conocida como HTTP/2 Bomb , es una vulnerabilidad de denegación de servicio DoS remoto que afecta a la mayoría de los servidores web principales en su configuración HTTP/2 predeterminada. La vulnerabilidad fue...

Linux Distros Unpatched Vulnerability : CVE-2026-97032

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder...

CVE-2026-97032

A flaw was found in Go's net/http package. A remote attacker can cause a Denial of Service DoS by crashing the HTTP/2 server. Due to missing synchronization, the server concurrently modifies its HPACK HTTP/2 header compression encoder when encoding response headers while processing incoming table...

DEBIAN-CVE-2026-97032

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

CVE-2026-97032

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

CVE-2026-97032

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

CVE-2026-97032

HTTP/2 servers are vulnerable to a crash caused by a race condition in the HPACK encoder . The issue occurs because the server modifies the encoder from two goroutines without proper synchronization: one goroutine encodes a HEADERS frame for a client response, while another modifies the encoder's...

CVE-2026-97032 HTTP/2 server crash due to HPACK encoder race in net/http

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

CVE-2026-97032

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

EUVD-2026-95429

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

CVE-2026-97032

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

GO-2026-6617 HTTP/2 server crash due to HPACK encoder race in net/http

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the...

CVE-2025-53020-PoC

CVE-2025-53020 - Apache httpd HTTP/2 内存耗尽 PoC 一个针对 CVE-2025-53020 的概念验证程序，该漏洞是 Apache httpd 的 HTTP/2 实现中的一个内存耗尽漏洞，由我在 2025 年中发现。 📖 深度解读 : galbarnahum.com/posts/apache-httpd-cve-2025-53020 漏洞概述 Apache httpd 在处理 HTTP/2 标头时容易受到拒绝服务攻击。该漏洞是由于在 HTTP/2 请求中处理重复的标头名称时产生了不必要的内存重复。 攻击机制 1. HPACK 利用 : 攻击利用...

CVE-2026-49975-HTTP-2-Bomb

一个用于识别暴露于 CVE-2026-49975 — "HTTP/2 炸弹" 的攻击面的 分类 （而非利用）工具。 ⚠️ 此脚本不 发送攻击载荷。它仅发送正常HTTP请求并分析响应头，以标记需要手动版本/补丁验证的主机。 关于 CVE-2026-49975 2026年6月3日披露的"HTTP/2炸弹"是一种未经身份验证的远程拒绝服务攻击，它结合了HPACK压缩炸弹和类似Slowloris的保持连接方式，以耗尽服务器内存。它影响 nginx、Apache httpd、Microsoft IIS、Envoy 和 Cloudflare Pingora 的默认HTTP/2配置。...

POC-CVE-2026-49975

-red CVE-2026-49975 HTTP/2 Bomb — PoC de bomba de compresión HPACK + retención de control de flujo PoC de investigación de seguridad por naheeju ⚠️ Esta es una herramienta funcional de DoS por agotamiento de memoria — no es un juguete. Abre flujos que fuerzan al objetivo a asignar memoria y los...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Libwebsockets vulnerabilities (USN-8893-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8893-1 advisory. It was discovered that libwebsockets did not properly validate user-supplied data when parsing HTTP/2...

PT-2026-108322

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description HTTP/2 servers may crash due to concurrent modification of the HPACK encoder. This occurs when the server modifies the encoder from two goroutines without...

USN-8900-1: Go Networking vulnerabilities

It was discovered that Go Networking did not properly handle server errors after sending a GOAWAY frame during HTTP/2 connection shutdown, which could cause the connection to hang. A remote attacker could possibly use this issue to cause a denial of service. CVE-2022-27664 It was discovered that ...

USN-8893-1: Libwebsockets vulnerabilities

It was discovered that libwebsockets did not properly validate user-supplied data when parsing HTTP/2 HPACK path headers, which could result in a write past the end of an allocated buffer. An attacker could possibly use this issue to execute arbitrary code. CVE-2026-19773 It was discovered that...