HTTP3-attacks

HTTP3-attacks CVE-2022-30592 Based on the work: E. Chatzoglou, V. Kouliaridis, G. Kambourakis, G. Karopoulos, and S. Gritzalis,"A hands-on gaze on HTTP/3 security through the lens of HTTP/2 and a public dataset", Computers & Security, p. 103051, 2022. The current repository serves the purpose of...

ssh3

!NOTE SSH3 is probably going to change its name. It is still the SSH Connection Protocol RFC4254 running on top of HTTP/3 Extended connect, but the required changes are heavy and too distant from the philosophy of popular SSH implementations to be considered for integration. The specification dra...

HTTP3ONSTEROIDS

Table of contents Vulnerability Description Source Code Review Lab Setup Identifying the issue References Vulnerability Description HAProxy's HTTP/3 implementation fails to block a malformed HTTP header field name , and when deployed in front of a server that incorrectly process this malformed...

CVE-2026-33555

HAProxy H3/QUIC スタンドアロン FIN ボディ検証バイパスによる HTTP リクエストスマグリング 完全な記事はこちら : https://r3verii.github.io/cve/2026/04/14/haproxy-h3-standalone-fin-smuggling.html 概要 HAProxy の HTTP/3 実装における脆弱性により、攻撃者は実際のボディサイズと一致しない Content-Length ヘッダーを含む HTTP リクエストを送信できます。HAProxy はこの不正なリクエストを、宣言された Content-Length...

HTTP3-Adapter

HTTP/3-Adapter HTTP/3 経由でリクエストを送信する Burp Suite 拡張機能です。 Burp は HTTP/3 をネイティブにサポートしていません。この拡張機能は HTTP/3 スタックを実装し、すべてのリクエストをインターセプトして HTTP/3 経由で変換・送信し、その後レスポンスを Burp が理解できる HTTP バージョンに変換し直します。 インストール BAPP Store で入手可能です。 自分でビルドする場合: ./gradlew jar - build/libs/HTTP3-Adapter-0.0.1.jar HTTP/3...

CVE-2026-4253-Scanner

CVE-2026-42530 — Safe-Check Scanner NGINX HTTP/3QUIC use-after-free 취약점을 위한 비파괴적 대량 스캐너 버그를 절대 트리거하지 않고 어떤 호스트가 노출되었는지 파악하세요. ⚠️ 고지 사항 이 도구는 승인된 보안 테스트 전용 입니다. 즉, 본인 소유의 인프라 또는 서면으로 명시적인 허가를 받은 시스템만 대상으로 해야 합니다. 이 도구는 읽기 전용 핑거프린팅 을 수행하며 취약점을 악용하지 않습니다. 테스트 범위를 준수하고 관련 법률 및 책임 있는 공개responsible...

CVE-2026-42530

CVE-2026-42530 CVE-2026-42530 스캐너, nginx HTTP/3 모듈의 use-after-free 취약점. 영향을 받는 버전: nginx 1.31.0, 1.31.1 수정된 버전: nginx 1.31.2 사용법 pip install aioquic python3 scannerCVE-2026-42530.py port python3 scannerCVE-2026-42530.py --file hosts.txt 작동 방식 동일한 연결에서 두 개의 QPACK 인코더 스트림을 엽니다. 패치된 버전은 두 번째 스트림을...

CVE-2026-42530

🛡️ CVE-2026-42530 - NGINX HTTP/3 QUIC Use-After-Free Vulnerability High-Severity Use-After-Free in NGINX HTTP/3 QUIC ⚠️ QPACK Encoder Stream Vulnerability 🔍 Overview CVE-2026-42530 is a use-after-free vulnerability in NGINX's ngxhttpv3module. A remote unauthenticated attacker can trigger it by...

caddy v2.11.7

a project Every site on HTTPS Caddy is an extensible server platform that uses TLS by default. Releases · Documentation · Get Help Powered by Special thanks to: Warp, built for coding with multiple AI agents Available for MacOS, Linux, & Windows Menu Features Install Build from source For...

CLEANSTART-2026-WX23354 In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority (host and port) matches what provided in the Host header (if present)

Security vulnerability affects the apache-nifi package. In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority host and port matches what provided in the Host header if present...

OESA-2026-4197 coredns security update

CoreDNS is a fast and flexible DNS server. The key word here is flexible: with CoreDNS you are able to do what you want with your DNS data by utilizing plugins. Security Fixes: CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and...

OESA-2026-4196 coredns security update

CoreDNS is a fast and flexible DNS server. The key word here is flexible: with CoreDNS you are able to do what you want with your DNS data by utilizing plugins. Security Fixes: CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and...

OESA-2026-4195 coredns security update

CoreDNS is a fast and flexible DNS server. The key word here is flexible: with CoreDNS you are able to do what you want with your DNS data by utilizing plugins. Security Fixes: CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and...

OESA-2026-4194 coredns security update

CoreDNS is a fast and flexible DNS server. The key word here is flexible: with CoreDNS you are able to do what you want with your DNS data by utilizing plugins. Security Fixes: CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and...

Linux Distros Unpatched Vulnerability : CVE-2026-100660

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HTTP/3 codec io.netty:netty-codec-http3 from 4.2.0.Final through 4.2.17.Final retains unbounded per-stream QPACK encoder state. QpackEncoder stores a...

Linux Distros Unpatched Vulnerability : CVE-2026-100659

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HTTP/3 codec io.netty:netty-codec-http3 in versions 4.2.0.Final through 4.2.17.Final does not enforce the RFC 9114 requirement that the :authority...

Linux Distros Unpatched Vulnerability : CVE-2026-100663

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HTTP/3 codec io.netty:netty-codec-http3 from 4.2.2.Final through 4.2.17.Final does not special- case HTTP/1 CONNECT authority-form request-targets when...

Linux Distros Unpatched Vulnerability : CVE-2026-100661

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-intege...

BIT-ENVOY-2026-48521 Envoy: HTTP/3 connection pool selection null-derefs in ProdClusterManagerFactory::allocateConnPool when transport_socket_options is null

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's ProdClusterManagerFactory::allocateConnPool dereferences transportsocketoptions while selecting an HTTP/3 connection pool without first checking whether the...

CLEANSTART-2026-PQ26679 In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority (host and port) matches what provided in the Host header (if present)

Security vulnerability affects the kafka package. In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority host and port matches what provided in the Host header if present...