High [CVE-2026-100666] HTTP response desynchronization via HttpServerCodec
This high-severity Red Hat Linux advisory covers CVE-2026-100666; related products: Exploit Intelligence, OpenShift Serverless, Red Hat AMQ Clients.
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Summary
HTTP response desynchronization via HttpServerCodec. Red Hat rates this important (CVSS 7.3).
Weakness: CWE-444.
Affected products named by the advisory: Exploit Intelligence; OpenShift Serverless; Red Hat AMQ Clients; Red Hat build of Apache Camel 4 for Quarkus 3; and 15 more.
Affected products named by the advisory: Red Hat build of Apache Camel for Spring Boot 4; Red Hat build of Apicurio Registry 3; Red Hat build of Debezium 3; Red Hat Build of Keycloak; and 11 more.
- 4.2.0
- 4.2.16
- 4.1.136
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
- 4.2.17
- 4.1.137
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation checklist
- Update to io.netty:netty-codec-http version 4.2.17.Final or 4.1.137.Final or later, which fixes the response queue management in HttpServerCodec to properly pair responses with their originating requests.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
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