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CVE-2026-93567Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authority

Red Hat Red Hat Build of Apache Camel 3.33.3.SP2; Red Hat Red Hat Build of Debezium 3.6; Red Hat Red Hat build of Keycloak 26.4; Red Hat Red Hat build of Keycl… Veröffentlicht: (vor 1 Monat)

Beschreibung

A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leading to a malformed HTTP/2 CONNECT request. This can bypass security controls such as tunnel allow-lists or egress policies, resulting in integrity loss.

Schwachstellentyp (CWE): CWE-20

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
build keycloak 26.4 —
build keycloak 26.6 —
quarkus 3.27 —
quarkus 3.33 —
Red Hat Red Hat AMQ Broker 7 —
Red Hat Red Hat Build of Apache Camel 3.33.3.SP2 all versions
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 all versions
Red Hat Red Hat build of Apache Camel for Spring Boot 4 all versions
Red Hat Red Hat build of Apicurio Registry 3 all versions
Red Hat Red Hat Build of Debezium 3.6 —
Red Hat Red Hat build of Keycloak 26.4 all versions
Red Hat Red Hat build of Keycloak 26.4.17 —
Red Hat Red Hat build of Keycloak 26.6 all versions
Red Hat Red Hat build of Keycloak 26.6.8 —
Red Hat Red Hat build of Quarkus 3.27.5.SP2 —
Red Hat Red Hat build of Quarkus 3.33.3.SP2 —
Red Hat Red Hat Data Grid 8 all versions
Red Hat Red Hat Fuse 7 all versions
Red Hat Red Hat JBoss Enterprise Application Platform 7 all versions
Red Hat Red Hat JBoss Enterprise Application Platform 8 —
Red Hat Red Hat JBoss Enterprise Application Platform 8.1 —
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack all versions
Red Hat Red Hat Single Sign-On 7 all versions

Referenzen und Patches