Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values
Summary
Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values. Red Hat rates this important (CVSS 7.5). Weakness: CWE-444. Affected package(s): eap8-netty-transport-native-epoll, devspaces/pluginregistry-rhel9:1776717247, netty-codec-http, rhoai/odh-modelmesh-rhel9:1776756834, cryostat/jfr-datasource-rhel9:4.2.0, devspaces/server-rhel9:1776796445. Resolved in Red Hat advisory RHSA-2026:8509 — update the affected packages (`sudo dnf update`).
- eap8-netty-transport-native-epoll-0:4.1.132-1.Final_redhat_00001.1.el8eap
- devspaces/pluginregistry-rhel9:1776717247
- netty-codec-http
- rhoai/odh-modelmesh-rhel9:1776756834
- cryostat/jfr-datasource-rhel9:4.2.0-9
- devspaces/server-rhel9:1776796445
- eap8-netty-0:4.1.132-1.Final_redhat_00001.1.el8eap
- eap8-netty-0:4.1.132-1.Final_redhat_00001.1.el9eap
- eap8-netty-transport-native-epoll-0:4.1.132-1.Final_redhat_00001.1.el9eap
- cryostat/cryostat-reports-rhel9:4.2.0-9
- cryostat/cryostat-rhel9:4.2.0-9
- devspaces/openvsx-rhel9:1776716842
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
- RHSA-2026:8509
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:8509 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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