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CVE-2026-93579

Io.netty/netty-codec-http2: netty: http/2 header field values are not validated by default (cr/lf/nul passthrough) PUBLISHED

Description (CNA)

A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary, they can be exploited for request smuggling, header injection, or response splitting. This could lead to unauthorized access, data manipulation, or other security bypasses.

Affected (CNA)

Vendor / productVersions
Red Hat / Red Hat Build of Debezium 3.6unaffected
Red Hat / Red Hat build of Quarkus 3.27.5.SP2unaffected
Red Hat / Red Hat build of Quarkus 3.33.3.SP2unaffected
Red Hat / Red Hat AMQ Broker 7unaffected
Red Hat / Red Hat build of Apache Camel 4 for Quarkus 3affected
Red Hat / Red Hat build of Apache Camel for Spring Boot 4affected
Red Hat / Red Hat build of Apicurio Registry 3affected
Red Hat / Red Hat Build of Keycloakaffected
Red Hat / Red Hat Data Grid 8affected
Red Hat / Red Hat Fuse 7unknown
Red Hat / Red Hat JBoss Enterprise Application Platform 7unknown
Red Hat / Red Hat JBoss Enterprise Application Platform 8unaffected
Red Hat / Red Hat JBoss Enterprise Application Platform Expansion Packaffected
Red Hat / Red Hat Single Sign-On 7unknown

CWE

CWE-1035

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.