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Vendor Workaround
See https://github.com/netty/netty/security/advisories/GHSA-j4mg-hqgv-34qc for fixed versions and remediation guidance.
Tracking
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Mon, 21 Sep 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Io.netty
Io.netty netty-codec-http Redhat build Of Apache Camel For Quarkus Redhat build Of Apache Camel For Spring Boot Redhat build Of Apicurio Registry Redhat build Of Debezium 3 Redhat build Of Keycloak Redhat build Of Quarkus Redhat data Grid 8 Redhat fuse 7 Redhat single Sign-on |
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| Vendors & Products |
Io.netty
Io.netty netty-codec-http Redhat build Of Apache Camel For Quarkus Redhat build Of Apache Camel For Spring Boot Redhat build Of Apicurio Registry Redhat build Of Debezium 3 Redhat build Of Keycloak Redhat build Of Quarkus Redhat data Grid 8 Redhat fuse 7 Redhat single Sign-on |
Mon, 21 Sep 2026 19:30:00 +0000
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| Metrics |
ssvc
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Mon, 21 Sep 2026 17:30:00 +0000
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| CPEs | ||
| Vendors & Products |
Redhat quarkus
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| References |
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Sat, 19 Sep 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | A flaw was found in Netty's `netty-codec-http` component. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/1.1 chunk-size token that includes post-digit whitespace. This incorrect parsing of the chunk size can lead to HTTP request smuggling. This allows an attacker to bypass security controls or access unauthorized resources in proxy/backend deployments. | |
| Title | Io.netty/netty-codec-http: netty: http request smuggling via post-digit whitespace in chunk-size parsing | |
| First Time appeared |
Redhat
Redhat amq Broker Redhat amq Clients Redhat apicurio Registry Redhat build Keycloak Redhat camel Quarkus Redhat camel Spring Boot Redhat debezium Redhat jboss Data Grid Redhat jboss Enterprise Application Platform Redhat jboss Fuse Redhat quarkus Redhat red Hat Single Sign On |
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| Weaknesses | CWE-444 | |
| CPEs | cpe:/a:redhat:amq_broker:7 cpe:/a:redhat:amq_clients:2023 cpe:/a:redhat:apicurio_registry:3 cpe:/a:redhat:build_keycloak: cpe:/a:redhat:camel_quarkus:3 cpe:/a:redhat:camel_spring_boot:4 cpe:/a:redhat:debezium:3 cpe:/a:redhat:jboss_data_grid:8 cpe:/a:redhat:jboss_enterprise_application_platform:7 cpe:/a:redhat:jboss_enterprise_application_platform:8 cpe:/a:redhat:jboss_fuse:7 cpe:/a:redhat:quarkus:3 cpe:/a:redhat:red_hat_single_sign_on:7 |
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| Vendors & Products |
Redhat
Redhat amq Broker Redhat amq Clients Redhat apicurio Registry Redhat build Keycloak Redhat camel Quarkus Redhat camel Spring Boot Redhat debezium Redhat jboss Data Grid Redhat jboss Enterprise Application Platform Redhat jboss Fuse Redhat quarkus Redhat red Hat Single Sign On |
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| References |
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| Metrics |
cvssV3_1
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Subscriptions
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-21T18:19:07.477Z
Reserved: 2026-09-18T10:31:41.514Z
Link: CVE-2026-93574
Updated: 2026-09-21T18:18:59.939Z
Status : Received
Published: 2026-09-18T21:18:48.277
Modified: 2026-09-21T19:17:17.127
Link: CVE-2026-93574
OpenCVE Enrichment
Updated: 2026-09-21T19:24:37Z