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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":[{"vendor":"Red Hat","product":"Red Hat AMQ Broker 7","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:amq_broker:7"]},{"vendor":"Red Hat","product":"Red Hat build of Apache Camel 4 for Quarkus 3","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:camel_quarkus:3"]},{"vendor":"Red Hat","product":"Red Hat build of Apache Camel for Spring Boot 4","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:camel_spring_boot:4"]},{"vendor":"Red Hat","product":"Red Hat build of Apicurio Registry 3","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:apicurio_registry:3"]},{"vendor":"Red Hat","product":"Red Hat build of Debezium 3","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:debezium:3"]},{"vendor":"Red Hat","product":"Red Hat Build of Keycloak","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:"]},{"vendor":"Red Hat","product":"Red Hat Data Grid 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_data_grid:8"]},{"vendor":"Red Hat","product":"Red Hat Fuse 7","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"unknown","cpes":["cpe:/a:redhat:jboss_fuse:7"]},{"vendor":"Red Hat","product":"Red Hat JBoss Enterprise Application Platform 7","collectionURL":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","packageName":"netty-codec-http2","defaultStatus":"unknown","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:7"]},{"vendor":"Red Hat","product":"Red Hat JBoss Enterprise Application Platform 8","collectionURL":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","packageName":"netty-codec-http2","defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:8"]},{"vendor":"Red Hat","product":"Red Hat Single Sign-On 7","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"netty-codec-http2","defaultStatus":"unknown","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:69440","name":"RHSA-2026:69440","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:69470","name":"RHSA-2026:69470","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-93579","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536970","name":"RHBZ#2536970","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2026-09-10T00:55:17.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-1035","description":"CWE-1035","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-1035","workarounds":[{"lang":"en","value":"See https://github.com/netty/netty/security/advisories/GHSA-8whp-c7w8-2m72 for fixed versions and remediation guidance."}],"timeline":[{"lang":"en","time":"2026-09-10T00:55:17.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-09-10T00:55:17.000Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2026-09-29T18:45:10.863Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-21T19:48:39.163858Z","id":"CVE-2026-93579","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-21T20:49:52.715Z"}}]}}