{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93494.json" } ], "title": "io.netty/netty-codec-stomp: Netty: ByteBuf Leak in StompSubframeDecoder When a Frame Body Is Never Terminated", "tracking": { "current_release_date": "2026-09-18T23:14:58+00:00", "generator": { "date": "2026-09-18T23:14:58+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.21" } }, "id": "CVE-2026-93494", "initial_release_date": "2026-09-10T00:42:12+00:00", "revision_history": [ { "date": "2026-09-10T00:42:12+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-09-18T20:01:28+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-09-18T23:14:58+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat build of Apache Camel for Spring Boot 4", "product": { "name": "Red Hat build of Apache Camel for Spring Boot 4", "product_id": "red_hat_build_of_apache_camel_for_spring_boot_4", "product_identification_helper": { "cpe": "cpe:/a:redhat:camel_spring_boot:4" } } } ], "category": "product_family", "name": "Red Hat build of Apache Camel for Spring Boot 4" }, { "branches": [ { "category": "product_name", "name": "Red Hat Fuse 7", "product": { "name": "Red Hat Fuse 7", "product_id": "red_hat_fuse_7", 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"netty-codec-stomp", "product_id": "netty-codec-stomp", "product_identification_helper": { "purl": "pkg:maven/io.netty/netty-codec-stomp@4.1.136.Final-redhat-00001" } } }, { "category": "product_version", "name": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "product": { "name": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "product_id": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "product_identification_helper": { "purl": "pkg:oci/eap74-els-openjdk11-openshift-rhel8@sha256:baabfce45661246f821b3373ce069ca1eccead65dc96e849f5fb99bade9dca72?repository_url=registry.redhat.io/jboss-eap-7/eap74-els-openjdk11-openshift-rhel8" } } }, { "category": "product_version", "name": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "product": { "name": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "product_id": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "product_identification_helper": { "purl": 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"product_reference": "netty-codec-stomp", "relates_to_product_reference": "red_hat_build_of_apache_camel_for_spring_boot_4" }, { "category": "default_component_of", "full_product_name": { "name": "netty-codec-stomp as a component of Red Hat Fuse 7", "product_id": "red_hat_fuse_7:netty-codec-stomp" }, "product_reference": "netty-codec-stomp", "relates_to_product_reference": "red_hat_fuse_7" }, { "category": "default_component_of", "full_product_name": { "name": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8 as a component of Red Hat JBoss Enterprise Application Platform 7", "product_id": "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8" }, "product_reference": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "relates_to_product_reference": "red_hat_jboss_enterprise_application_platform_7" }, { "category": "default_component_of", "full_product_name": { "name": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8 as a component of Red Hat JBoss Enterprise Application Platform 7", "product_id": "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8" }, "product_reference": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "relates_to_product_reference": "red_hat_jboss_enterprise_application_platform_7" }, { "category": "default_component_of", "full_product_name": { "name": "jboss-eap-7/eap74-els-openjdk8-openshift-rhel8 as a component of Red Hat JBoss Enterprise Application Platform 7", "product_id": "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8" }, "product_reference": "jboss-eap-7/eap74-els-openjdk8-openshift-rhel8", "relates_to_product_reference": "red_hat_jboss_enterprise_application_platform_7" }, { "category": "default_component_of", "full_product_name": { "name": "netty-codec-stomp as a component of Red Hat JBoss Enterprise Application Platform 7", "product_id": "red_hat_jboss_enterprise_application_platform_7:netty-codec-stomp" }, "product_reference": "netty-codec-stomp", "relates_to_product_reference": "red_hat_jboss_enterprise_application_platform_7" }, { "category": "default_component_of", "full_product_name": { "name": "netty-codec-stomp as a component of Red Hat Single Sign-On 7", "product_id": "red_hat_single_sign-on_7:netty-codec-stomp" }, "product_reference": "netty-codec-stomp", "relates_to_product_reference": "red_hat_single_sign-on_7" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-93494", "cwe": { "id": "CWE-1035", "name": "CWE-1035" }, "discovery_date": "2026-09-10T00:42:12+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2536898" } ], "notes": [ { "category": "description", "text": "A flaw was found in Netty's StompSubframeDecoder component. A remote attacker can exploit this vulnerability by sending a specially crafted STOMP frame body without its terminating null byte. This causes the decoder to allocate a ByteBuf (a buffer for bytes) that is never released, leading to a permanent memory leak. Over time, this uncontrolled memory consumption can result in a Denial of Service (DoS) for the application using the affected STOMP codec.", "title": "Vulnerability description" }, { "category": "summary", "text": "io.netty/netty-codec-stomp: Netty: ByteBuf Leak in StompSubframeDecoder When a Frame Body Is Never Terminated", "title": "Vulnerability summary" }, { "category": "other", "text": "This is an Important flaw in Netty's STOMP codec that allows a remote, unauthenticated attacker to cause a permanent memory leak. By sending an incomplete STOMP frame, an attacker can consume allocator memory that is never reclaimed, leading to a denial of service over time. This issue is particularly impactful as the memory leak persists even after the connection is closed, making it difficult to detect and prevent with standard connection-based rate limiting.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "known_affected": [ "red_hat_build_of_apache_camel_for_spring_boot_4:netty-codec-stomp", "red_hat_fuse_7:netty-codec-stomp", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:netty-codec-stomp", "red_hat_single_sign-on_7:netty-codec-stomp" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-93494" }, { "category": "external", "summary": "RHBZ#2536898", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2536898" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-93494", "url": "https://www.cve.org/CVERecord?id=CVE-2026-93494" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-93494", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93494" } ], "release_date": "2026-09-10T00:42:12+00:00", "remediations": [ { "category": "workaround", "details": "See https://github.com/netty/netty/security/advisories/GHSA-ghg5-c4jg-8q5j for fixed versions and remediation guidance.", "product_ids": [ "red_hat_build_of_apache_camel_for_spring_boot_4:netty-codec-stomp", "red_hat_fuse_7:netty-codec-stomp", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:netty-codec-stomp", "red_hat_single_sign-on_7:netty-codec-stomp" ] }, { "category": "no_fix_planned", "details": "Will not fix", "product_ids": [ "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:netty-codec-stomp" ] }, { "category": "none_available", "details": "Affected", "product_ids": [ "red_hat_build_of_apache_camel_for_spring_boot_4:netty-codec-stomp", "red_hat_fuse_7:netty-codec-stomp", "red_hat_single_sign-on_7:netty-codec-stomp" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "red_hat_build_of_apache_camel_for_spring_boot_4:netty-codec-stomp", "red_hat_fuse_7:netty-codec-stomp", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:netty-codec-stomp", "red_hat_single_sign-on_7:netty-codec-stomp" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "red_hat_build_of_apache_camel_for_spring_boot_4:netty-codec-stomp", "red_hat_fuse_7:netty-codec-stomp", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8", "red_hat_jboss_enterprise_application_platform_7:netty-codec-stomp", "red_hat_single_sign-on_7:netty-codec-stomp" ] } ], "title": "io.netty/netty-codec-stomp: Netty: ByteBuf Leak in StompSubframeDecoder When a Frame Body Is Never Terminated" } ] }