Medium [CVE-2026-93566] HTTP Request Smuggling due to control characters in the chunk-size line
This medium-severity Red Hat Linux advisory covers CVE-2026-93566; related products: Red Hat AMQ Broker 7, Red Hat AMQ Clients, Red Hat build of Apache Camel 4 for Quarkus 3.
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Summary
HTTP Request Smuggling due to control characters in the chunk-size line. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-1035.
Affected products named by the advisory: Red Hat AMQ Broker 7; Red Hat AMQ Clients; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; and 8 more.
Affected products named by the advisory: Red Hat build of Apicurio Registry 3; Red Hat build of Debezium 3; Red Hat Build of Keycloak; Red Hat Data Grid 8; and 4 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
Mitigation checklist
- See https://github.com/netty/netty/security/advisories/GHSA-rq4j-fc47-9698 for fixed versions and remediation guidance.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
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