{ "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-2026-44894.json" } ], "title": "netty-codec-classes-quic: Netty: Denial of Service amplification via improper QUIC token validation", "tracking": { "current_release_date": "2026-06-30T03:45:34+00:00", "generator": { "date": "2026-06-30T03:45:34+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.0" } }, "id": "CVE-2026-44894", "initial_release_date": "2026-06-12T14:06:54.213000+00:00", "revision_history": [ { "date": "2026-06-12T14:06:54.213000+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-06-13T02:34:22.532599+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-06-30T03:45:34+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 - HawtIO 4", "product": { "name": "Red Hat build of Apache Camel - HawtIO 4", "product_id": "red_hat_build_of_apache_camel_-_hawtio_4", "product_identification_helper": { "cpe": "cpe:/a:redhat:apache_camel_hawtio:4" } } } ], "category": "product_family", "name": "Red Hat build of Apache Camel - HawtIO 4" }, { "category": "product_version", "name": "netty-codec-classes-quic", "product": { "name": "netty-codec-classes-quic", "product_id": "netty-codec-classes-quic", "product_identification_helper": { "purl": "pkg:maven/io.netty/netty-codec-classes-quic" } } } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "netty-codec-classes-quic as a component of Red Hat build of Apache Camel - HawtIO 4", "product_id": "red_hat_build_of_apache_camel_-_hawtio_4:netty-codec-classes-quic" }, "product_reference": "netty-codec-classes-quic", "relates_to_product_reference": "red_hat_build_of_apache_camel_-_hawtio_4" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-44894", "cwe": { "id": "CWE-346", "name": "Origin Validation Error" }, "discovery_date": "2026-06-12T15:01:08.840274+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2488380" } ], "notes": [ { "category": "description", "text": "A flaw was found in Netty, specifically within the netty-codec-classes-quic component's NoQuicTokenHandler. A remote attacker can exploit this vulnerability by sending an Initial packet with any non-empty token bytes and a spoofed victim's IP address. This improper token validation causes the Netty server to bypass the 3x anti-amplification send limit, treating the victim as validated. As a result, the server reflects full-size handshake flights towards the spoofed victim, leading to an amplification attack.", "title": "Vulnerability description" }, { "category": "summary", "text": "netty-codec-classes-quic: Netty: Denial of Service amplification via improper QUIC token validation", "title": "Vulnerability summary" }, { "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_-_hawtio_4:netty-codec-classes-quic" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-44894" }, { "category": "external", "summary": "RHBZ#2488380", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488380" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-44894", "url": "https://www.cve.org/CVERecord?id=CVE-2026-44894" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-44894", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44894" }, { "category": "external", "summary": "https://github.com/netty/netty/releases/tag/netty-4.2.15.Final", "url": "https://github.com/netty/netty/releases/tag/netty-4.2.15.Final" }, { "category": "external", "summary": "https://github.com/netty/netty/security/advisories/GHSA-cmm3-54f8-px4j", "url": "https://github.com/netty/netty/security/advisories/GHSA-cmm3-54f8-px4j" } ], "release_date": "2026-06-12T14:06:54.213000+00:00", "remediations": [ { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "red_hat_build_of_apache_camel_-_hawtio_4:netty-codec-classes-quic" ] }, { "category": "none_available", "details": "Affected", "product_ids": [ "red_hat_build_of_apache_camel_-_hawtio_4:netty-codec-classes-quic" ] } ], "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_-_hawtio_4:netty-codec-classes-quic" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "red_hat_build_of_apache_camel_-_hawtio_4:netty-codec-classes-quic" ] } ], "title": "netty-codec-classes-quic: Netty: Denial of Service amplification via improper QUIC token validation" } ] }