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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-93568

Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended connect requests are downgraded as regular connect requests

Description

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/2 or HTTP/3 Extended CONNECT requests. Netty's HTTP-object conversion path incorrectly processes these requests as regular HTTP/1.1 CONNECT requests, leading to a loss of critical protocol and path information. This misinterpretation can allow attackers to bypass security policies, such as routing or authorization logic, in applications that rely on Netty for HTTP/2 or HTTP/3 communication, resulting in integrity loss.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Build of Apache Camel 3.33.3.SP2

Default version status: affected

  • 4.1.138.Final-redhat-00001 to < *unaffected

Red Hat Red Hat Build of Debezium 3.6

Default version status: unaffected

Red Hat Red Hat build of Quarkus 3.27.5.SP2

Default version status: unaffected

Red Hat Red Hat build of Quarkus 3.33.3.SP2

Default version status: unaffected

Red Hat Red Hat AMQ Broker 7

Default version status: unaffected

Red Hat Red Hat build of Apache Camel 4 for Quarkus 3

Default version status: affected

Red Hat Red Hat build of Apache Camel for Spring Boot 4

Default version status: affected

Red Hat Red Hat build of Apicurio Registry 3

Default version status: affected

Red Hat Red Hat Build of Keycloak

Default version status: affected

Red Hat Red Hat Data Grid 8

Default version status: affected

Red Hat Red Hat Fuse 7

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform 7

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform 8

Default version status: unaffected

Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack

Default version status: affected

Red Hat Red Hat Single Sign-On 7

Default version status: affected

References