HTTP3ONSTEROIDS

Indice Descrizione della vulnerabilità Analisi del codice sorgente Configurazione del laboratorio Identificazione del problema Riferimenti Descrizione della vulnerabilità L'implementazione HTTP/3 di HAProxy non riesce a bloccare un nome di campo header HTTP malformato , e quando implementato...

CVE-2026-42530

CVE-2026-42530 Scanner per CVE-2026-42530, un use-after-free nel modulo HTTP/3 di nginx. Affetti: nginx 1.31.0, 1.31.1 Corretto: nginx 1.31.2 Usage root@kitploit: pip install aioquic python3 scannerCVE-2026-42530.py port python3 scannerCVE-2026-42530.py --file hosts.txt Come funziona Apre due...

HTTP3-attacks

HTTP3-attacks CVE-2022-30592 Basato sul lavoro: E. Chatzoglou, V. Kouliaridis, G. Kambourakis, G. Karopoulos, e 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. Il repository corrente ha lo scopo di condivide...

CVE-2026-4253-Scanner

CVE-2026-42530 — Safe-Check Scanner Nicht-destruktiver Massen-Scanner für den NGINX HTTP/3 QUIC Use-after-Free Ermitteln Sie, welche Ihrer Hosts exponiert sind – ohne den Fehler jemals auszulösen. ⚠️ Haftungsausschluss Dieses Tool ist ausschließlich für autorisierte Sicherheitstests bestimmt – für...

ssh3

!NOTE SSH3 provavelmente vai mudar de nome. Ainda é o Protocolo de Conexão SSH RFC4254 rodando sobre HTTP/3 Extended connect, mas as mudanças necessárias são pesadas e muito distantes da filosofia das implementações populares de SSH para serem consideradas para integração. O rascunho de...

CVE-2026-33555

Bypass della Validazione del Body FIN Standalone in HAProxy H3/QUIC tramite HTTP Request Smuggling Post completo qui : https://r3verii.github.io/cve/2026/04/14/haproxy-h3-standalone-fin-smuggling.html Riepilogo Una vulnerabilità nell'implementazione HTTP/3 di HAProxy consente a un attaccante di...

CVE-2026-42530

🛡️ CVE-2026-42530 - Use-After-Free-Schwachstelle in NGINX HTTP/3 QUIC Use-After-Free mit hohem Schweregrad in NGINX HTTP/3 QUIC ⚠️ Schwachstelle im QPACK-Encoder-Stream 🔍 Übersicht CVE-2026-42530 ist eine Use-After-Free -Schwachstelle im ngxhttpv3module von NGINX...

cowlib: Cowlib: Denial of Service due to unbounded HPACK/QPACK prefixed-integer decoding

A flaw was found in cowlib, an HTTP parser. An unauthenticated remote attacker could exploit this vulnerability by sending specially crafted HTTP/2 or HTTP/3 frames containing oversized HPACK or QPACK prefixed integers. This unbounded decoding process leads to excessive memory allocation and...

CVE-2026-49457

erlangquic is a pure Erlang QUIC implementation. Prior to version 1.4.4, the QUIC client did not authenticate the server during the TLS 1.3 handshake. The CertificateVerify signature was not checked, the certificate chain was not validated, and the hostname was not compared against the certificat...

EUVD-2026-58756

erlangquic is a pure Erlang QUIC implementation. Prior to version 1.4.4, the QUIC client did not authenticate the server during the TLS 1.3 handshake. The CertificateVerify signature was not checked, the certificate chain was not validated, and the hostname was not compared against the certificat...

CVE-2026-49457 QUIC has Broken TLS verification

erlangquic is a pure Erlang QUIC implementation. Prior to version 1.4.4, the QUIC client did not authenticate the server during the TLS 1.3 handshake. The CertificateVerify signature was not checked, the certificate chain was not validated, and the hostname was not compared against the certificat...

CVE-2026-49457

erlangquic is a pure Erlang QUIC implementation. Prior to version 1.4.4, the QUIC client did not authenticate the server during the TLS 1.3 handshake. The CertificateVerify signature was not checked, the certificate chain was not validated, and the hostname was not compared against the certificat...

CVE-2026-49457

CVE-2026-49457 affects erlang_quic prior to 1.4.4, where the QUIC client did not authenticate the server during TLS 1.3 handshakes. Specifically, CertificateVerify signature checks were missing, the certificate chain was not validated, and hostname verification was skipped, effectively making ver...

GO-2026-5287 Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts in github.com/traefik/traefik

Traefik's HTTP/3 TLS configuration selection is vulnerable to a bypass when using wildcard or mixed-case hosts in the SNI. The HTTP/3 QUIC path performed a direct, case-sensitive lookup on the SNI value to select the applicable TLS configuration. This lookup failed to match wildcard host patterns...

K000162871: PowerDNS DNSdist vulnerability CVE-2026-40211

Security Advisory Description An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3...

CVE-2026-56816 Netty: Memory Exhaustion via HTTP/3 Reserved Frame Types

Netty is a network application framework for development of protocol servers and clients. Prior to 4.2.16.Final, Netty's Http3FrameCodec buffers incoming data for HTTP/3 reserved frame types up to the wire-specified payload length without limits; decodeFrame trusts payLoadLength, allowing an...

CVE-2026-56816 Netty: Memory Exhaustion via HTTP/3 Reserved Frame Types

Netty is a network application framework for development of protocol servers and clients. Prior to 4.2.16.Final, Netty's Http3FrameCodec buffers incoming data for HTTP/3 reserved frame types up to the wire-specified payload length without limits; decodeFrame trusts payLoadLength, allowing an...

PT-2026-54772

Name of the Vulnerable Software and Affected Versions erlang quic versions prior to 1.4.4 Description The QUIC client fails to authenticate the server during the TLS 1.3 handshake. Specifically, the CertificateVerify signature is not checked, the certificate chain is not validated, and the hostna...

PT-2026-50163

Name of the Vulnerable Software and Affected Versions Traefik versions 3.6.17 through 3.7.1 Description An issue in the HTTP/3 QUIC TLS configuration selection allows unauthenticated clients to bypass router-specific mutual TLS mTLS enforcement. When HTTP/3 is enabled, the TLS handshake uses an...

Linux Distros Unpatched Vulnerability : CVE-2026-40898

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client a...