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{"bugzilla": {"description": "io.netty/netty-codec-http: Netty: Incomplete validation of malformed Transfer-Encoding allows HTTP request smuggling", "id": "2536951", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2536951"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-1035", "details": ["A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources."], "mitigation": {"lang": "en:us", "value": "See https://github.com/netty/netty/security/advisories/GHSA-hcvj-94mj-jp5c for fixed versions and remediation guidance."}, "name": "CVE-2026-93562", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat AMQ Clients"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:apicurio_registry:3", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat build of Apicurio Registry 3"}, {"cpe": "cpe:/a:redhat:debezium:3", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat build of Debezium 3"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:quarkus:3", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "netty-codec-http", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Out of support scope", "package_name": "netty-codec-http", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Out of support scope", "package_name": "netty-codec-http", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-09-10T00:45:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93562\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93562"], "statement": "This Moderate flaw in Netty's HTTP/1 decoder allows HTTP request smuggling by incorrectly validating `Transfer-Encoding` headers. This can enable an attacker to inject arbitrary HTTP requests, primarily impacting Red Hat products deployed in environments with parser-differential proxies or load balancers, such as Red Hat AMQ, JBoss Fuse, Enterprise Application Platform, and Red Hat Build of Quarkus. The vulnerability arises from an incomplete fix, making it crucial to ensure consistent HTTP parsing across all network components.", "threat_severity": "Moderate"}