WID-SEC-W-2026-2356
Vulnerability from csaf_certbund - Published: 2026-07-14 22:00 - Updated: 2026-09-10 22:00Summary
Netty: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Netty ist ein asynchrones, ereignisgesteuertes Netzwerk-Anwendungs-Framework für die schnelle Entwicklung von wartbaren, hochleistungsfähigen Protokollservern und -clients.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitsprüfungen zu umgehen, Anfragen oder Header zu manipulieren, Zertifikatsprüfungen zu unterlaufen sowie einen Denial of Service zu verursachen.
Betroffene Betriebssysteme: - Linux
- UNIX
Affected products
Known affected
7 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Netty <4.1.136
Open Source / Netty
|
<4.1.136 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
IBM SPSS Modeler 19.0.0.0
IBM / SPSS
|
cpe:/a:ibm:spss:modeler_19.0.0.0
|
Modeler 19.0.0.0 | |
|
IBM App Connect Enterprise for Manufactoring
IBM / App Connect Enterprise
|
cpe:/a:ibm:app_connect_enterprise:for_manufactoring
|
for Manufactoring | |
|
IBM DB2
IBM
|
cpe:/a:ibm:db2:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Open Source Netty <4.2.16
Open Source / Netty
|
<4.2.16 |
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
Affected products
Known affected
7 products, the same list as for
CVE-2026-44891
References
31 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Netty ist ein asynchrones, ereignisgesteuertes Netzwerk-Anwendungs-Framework f\u00fcr die schnelle Entwicklung von wartbaren, hochleistungsf\u00e4higen Protokollservern und -clients.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitspr\u00fcfungen zu umgehen, Anfragen oder Header zu manipulieren, Zertifikatspr\u00fcfungen zu unterlaufen sowie einen Denial of Service zu verursachen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-2356 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2356.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2356 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2356"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-4qhr-g3c6-fcfx vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-4qhr-g3c6-fcfx"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-272m-gcwp-mpwg vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-272m-gcwp-mpwg"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-3g8r-4pfx-jmfh vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-3g8r-4pfx-jmfh"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-4mp9-239f-g9hg vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-4mp9-239f-g9hg"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-q4f6-jm68-57ww vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-q4f6-jm68-57ww"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-c69g-56f8-xwqj vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-c69g-56f8-xwqj"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-558v-64gr-wgg4 vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-558v-64gr-wgg4"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-6jqx-86gh-f27w vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-6jqx-86gh-f27w"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-93wv-jw9v-4972 vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-93wv-jw9v-4972"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-g7hg-vrcf-mvmr vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-g7hg-vrcf-mvmr"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-gcjf-9mgh-3p7g vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-gcjf-9mgh-3p7g"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-hpcc-26xq-25fv vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-hpcc-26xq-25fv"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-jppx-w49h-x2qq vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-jppx-w49h-x2qq"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-mvh2-crg5-v77c vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-mvh2-crg5-v77c"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-q6cq-mhr2-jmr5 vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-q6cq-mhr2-jmr5"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-vhch-2wf3-m8rp vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-vhch-2wf3-m8rp"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-wc96-39fc-566f vom 2026-07-14",
"url": "https://github.com/netty/netty/security/advisories/GHSA-wc96-39fc-566f"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48118 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:48118"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47189 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:47189"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47172 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:47172"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3482-1 vom 2026-08-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028141.html"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7282895 vom 2026-08-07",
"url": "https://www.ibm.com/support/pages/node/7282895"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:54435 vom 2026-08-12",
"url": "https://access.redhat.com/errata/RHSA-2026:54435"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:54622 vom 2026-08-13",
"url": "https://access.redhat.com/errata/RHSA-2026:54622"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7285407 vom 2026-08-27",
"url": "https://www.ibm.com/support/pages/node/7285407"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:62260 vom 2026-09-02",
"url": "https://access.redhat.com/errata/RHSA-2026:62260"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:66545 vom 2026-09-11",
"url": "https://access.redhat.com/errata/RHSA-2026:66545"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7286990 vom 2026-09-11",
"url": "https://www.ibm.com/support/pages/node/7286990"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:66488 vom 2026-09-10",
"url": "https://access.redhat.com/errata/RHSA-2026:66488"
}
],
"source_lang": "en-US",
"title": "Netty: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-09-10T22:00:00.000+00:00",
"generator": {
"date": "2026-09-11T09:11:40.859+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2356",
"initial_release_date": "2026-07-14T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-07-14T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-19T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-45316"
},
{
"date": "2026-07-20T22:00:00.000+00:00",
"number": "3",
"summary": "Referenz(en) aufgenommen: EUVD-2026-46133, EUVD-2026-46132"
},
{
"date": "2026-07-21T22:00:00.000+00:00",
"number": "4",
"summary": "Referenz(en) aufgenommen: EUVD-2026-46452, EUVD-2026-46438, EUVD-2026-47564, EUVD-2026-47579, EUVD-2026-47582, EUVD-2026-47581"
},
{
"date": "2026-07-28T22:00:00.000+00:00",
"number": "5",
"summary": "Referenz(en) aufgenommen: EUVD-2026-50091, EUVD-2026-50090, EUVD-2026-50089"
},
{
"date": "2026-07-29T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat und European Union Vulnerability Database aufgenommen"
},
{
"date": "2026-08-04T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-08-09T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-08-12T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-08-13T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-08-27T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-09-01T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-09-10T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Red Hat und IBM aufgenommen"
}
],
"status": "final",
"version": "13"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "for Manufactoring",
"product": {
"name": "IBM App Connect Enterprise for Manufactoring",
"product_id": "T057738",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:app_connect_enterprise:for_manufactoring"
}
}
}
],
"category": "product_name",
"name": "App Connect Enterprise"
},
{
"category": "product_name",
"name": "IBM DB2",
"product": {
"name": "IBM DB2",
"product_id": "5104",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:db2:-"
}
}
},
{
"branches": [
{
"category": "product_version",
"name": "Modeler 19.0.0.0",
"product": {
"name": "IBM SPSS Modeler 19.0.0.0",
"product_id": "T058737",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:spss:modeler_19.0.0.0"
}
}
}
],
"category": "product_name",
"name": "SPSS"
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c4.2.16",
"product": {
"name": "Open Source Netty \u003c4.2.16",
"product_id": "T056598"
}
},
{
"category": "product_version",
"name": "4.2.16",
"product": {
"name": "Open Source Netty 4.2.16",
"product_id": "T056598-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:netty:netty:4.2.16"
}
}
},
{
"category": "product_version_range",
"name": "\u003c4.1.136",
"product": {
"name": "Open Source Netty \u003c4.1.136",
"product_id": "T056599"
}
},
{
"category": "product_version",
"name": "4.1.136",
"product": {
"name": "Open Source Netty 4.1.136",
"product_id": "T056599-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:netty:netty:4.1.136"
}
}
}
],
"category": "product_name",
"name": "Netty"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T054646",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-44891",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-44891"
},
{
"cve": "CVE-2026-55831",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-55831"
},
{
"cve": "CVE-2026-55833",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-55833"
},
{
"cve": "CVE-2026-55851",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-55851"
},
{
"cve": "CVE-2026-56745",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56745"
},
{
"cve": "CVE-2026-56816",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56816"
},
{
"cve": "CVE-2026-56817",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56817"
},
{
"cve": "CVE-2026-56819",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56819"
},
{
"cve": "CVE-2026-56820",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56820"
},
{
"cve": "CVE-2026-56821",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56821"
},
{
"cve": "CVE-2026-56822",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-56822"
},
{
"cve": "CVE-2026-59898",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-59898"
},
{
"cve": "CVE-2026-59899",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-59899"
},
{
"cve": "CVE-2026-59900",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-59900"
},
{
"cve": "CVE-2026-59901",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-59901"
},
{
"cve": "CVE-2026-59920",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-59920"
},
{
"cve": "CVE-2026-59921",
"product_status": {
"known_affected": [
"T056599",
"67646",
"T058737",
"T057738",
"5104",
"T054646",
"T056598"
]
},
"release_date": "2026-07-14T22:00:00.000+00:00",
"title": "CVE-2026-59921"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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