WID-SEC-W-2026-0846
Vulnerability from csaf_certbund - Published: 2026-03-24 23:00 - Updated: 2026-08-31 22:00Summary
Netty: Mehrere Schwachstellen
Severity
Mittel
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 entfernter, anonymer Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitsvorkehrungen zu umgehen und einen Denial of Service zu verursachen.
Betroffene Betriebssysteme: - Linux
- UNIX
Affected products
Known affected
15 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Enterprise Linux Cryostat <4.2.0
Red Hat / Enterprise Linux
|
Cryostat <4.2.0 | ||
|
Red Hat Enterprise Linux Quarkus
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:quarkus
|
Quarkus | |
|
Red Hat Enterprise Linux Apache Camel for Quarkus
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:apache_camel_for_quarkus
|
Apache Camel for Quarkus | |
|
Open Source Netty <4.1.132
Open Source / Netty
|
<4.1.132 | ||
|
Dell Secure Connect Gateway <5.36.00.16
Dell / Secure Connect Gateway
|
<5.36.00.16 | ||
|
Red Hat Enterprise Linux
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Red Hat Enterprise Linux Apache Camel for Spring Boot
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:apache_camel_for_spring_boot
|
Apache Camel for Spring Boot | |
|
IBM DB2
IBM
|
cpe:/a:ibm:db2:-
|
— | |
|
HCL BigFix Remote Control
HCL / BigFix
|
cpe:/a:hcltech:bigfix:remote_control
|
Remote Control | |
|
Open Source Keycloak <26.6.2
Open Source / Keycloak
|
<26.6.2 | ||
|
IBM Storage Scale
IBM
|
cpe:/a:ibm:spectrum_scale:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Open Source Netty <4.2.11
Open Source / Netty
|
<4.2.11 | ||
|
IBM Spectrum Protect Plus
IBM
|
cpe:/a:ibm:spectrum_protect_plus:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— |
Affected products
Known affected
15 products, the same list as for
CVE-2026-33870
References
28 references
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"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 entfernter, anonymer Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitsvorkehrungen zu umgehen und 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-2026-0846 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0846.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0846 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0846"
},
{
"category": "external",
"summary": "Netty GitHub vom 2026-03-24",
"url": "https://github.com/netty/netty/security/advisories/GHSA-pwqr-wmgm-9rr8"
},
{
"category": "external",
"summary": "Netty GitHub vom 2026-03-24",
"url": "https://github.com/netty/netty/security/advisories/GHSA-w9fj-cfpg-grvv"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:10463-1 vom 2026-04-01",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/V6FXSMXDC2QFATWVCNOU4EKAIWG25UXN/"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:8159 vom 2026-04-14",
"url": "https://access.redhat.com/errata/RHSA-2026:8159"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:7109 vom 2026-04-14",
"url": "https://access.redhat.com/errata/RHSA-2026:7109"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:7380 vom 2026-04-15",
"url": "https://access.redhat.com/errata/RHSA-2026:7380"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1353-1 vom 2026-04-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025364.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:8509 vom 2026-04-16",
"url": "https://access.redhat.com/errata/RHSA-2026:8509"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:10175 vom 2026-04-23",
"url": "https://access.redhat.com/errata/RHSA-2026:10175"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:10184 vom 2026-04-23",
"url": "https://access.redhat.com/errata/RHSA-2026:10184"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:13571 vom 2026-05-05",
"url": "https://access.redhat.com/errata/RHSA-2026:13571"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:14276 vom 2026-05-06",
"url": "https://access.redhat.com/errata/RHSA-2026:14276"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:14272 vom 2026-05-06",
"url": "https://access.redhat.com/errata/RHSA-2026:14272"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:17668 vom 2026-05-14",
"url": "https://access.redhat.com/errata/RHSA-2026:17668"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:18055 vom 2026-05-18",
"url": "https://access.redhat.com/errata/RHSA-2026:18055"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:18054 vom 2026-05-18",
"url": "https://access.redhat.com/errata/RHSA-2026:18054"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:18059 vom 2026-05-18",
"url": "https://access.redhat.com/errata/RHSA-2026:18059"
},
{
"category": "external",
"summary": "Keycloak 26.6.2 release vom 2026-05-19",
"url": "https://www.keycloak.org/2026/05/keycloak-2662-released"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:17789 vom 2026-05-26",
"url": "https://access.redhat.com/errata/RHSA-2026:17789"
},
{
"category": "external",
"summary": "HCL Security Bulletin vom 2026-05-28",
"url": "https://support.hcl-software.com/community?id=community_blog\u0026sys_id=f1cc30b22b8947900c64f1a1d891bf13"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:22619 vom 2026-06-02",
"url": "https://access.redhat.com/errata/RHSA-2026:22619"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7277418 vom 2026-06-23",
"url": "https://www.ibm.com/support/pages/node/7277418"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7278011 vom 2026-06-25",
"url": "https://www.ibm.com/support/pages/node/7278011"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:34608 vom 2026-07-02",
"url": "https://access.redhat.com/errata/RHSA-2026:34608"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7283637 vom 2026-08-13",
"url": "https://www.ibm.com/support/pages/node/7283637"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2026-386 vom 2026-09-01",
"url": "https://www.dell.com/support/kbdoc/000503504/dsa-2026-386-security-update-f"
}
],
"source_lang": "en-US",
"title": "Netty: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-08-31T22:00:00.000+00:00",
"generator": {
"date": "2026-09-01T10:58:07.120+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-0846",
"initial_release_date": "2026-03-24T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-03-24T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-03-29T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-16787, EUVD-2026-16790"
},
{
"date": "2026-04-01T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von openSUSE aufgenommen"
},
{
"date": "2026-04-14T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-04-15T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-04-16T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-04-23T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-04T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-06T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-14T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-18T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-19T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates aufgenommen"
},
{
"date": "2026-05-25T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-27T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates aufgenommen"
},
{
"date": "2026-06-02T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-06-23T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-06-25T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-07-01T22:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-08-13T22:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-08-31T22:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von Dell aufgenommen"
}
],
"status": "final",
"version": "20"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c5.36.00.16",
"product": {
"name": "Dell Secure Connect Gateway \u003c5.36.00.16",
"product_id": "T058878"
}
},
{
"category": "product_version",
"name": "5.36.00.16",
"product": {
"name": "Dell Secure Connect Gateway 5.36.00.16",
"product_id": "T058878-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:dell:secure_connect_gateway:5.36.00.16"
}
}
}
],
"category": "product_name",
"name": "Secure Connect Gateway"
}
],
"category": "vendor",
"name": "Dell"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "Remote Control",
"product": {
"name": "HCL BigFix Remote Control",
"product_id": "T054764",
"product_identification_helper": {
"cpe": "cpe:/a:hcltech:bigfix:remote_control"
}
}
}
],
"category": "product_name",
"name": "BigFix"
}
],
"category": "vendor",
"name": "HCL"
},
{
"branches": [
{
"category": "product_name",
"name": "IBM DB2",
"product": {
"name": "IBM DB2",
"product_id": "T050433",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:db2:-"
}
}
},
{
"category": "product_name",
"name": "IBM Spectrum Protect Plus",
"product": {
"name": "IBM Spectrum Protect Plus",
"product_id": "T044769",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:spectrum_protect_plus:-"
}
}
},
{
"category": "product_name",
"name": "IBM Storage Scale",
"product": {
"name": "IBM Storage Scale",
"product_id": "T019402",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:spectrum_scale:-"
}
}
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c26.6.2",
"product": {
"name": "Open Source Keycloak \u003c26.6.2",
"product_id": "T054335"
}
},
{
"category": "product_version",
"name": "26.6.2",
"product": {
"name": "Open Source Keycloak 26.6.2",
"product_id": "T054335-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:keycloak:keycloak:26.6.2"
}
}
}
],
"category": "product_name",
"name": "Keycloak"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c4.2.11",
"product": {
"name": "Open Source Netty \u003c4.2.11",
"product_id": "T052119"
}
},
{
"category": "product_version",
"name": "4.2.11",
"product": {
"name": "Open Source Netty 4.2.11",
"product_id": "T052119-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:netty:netty:4.2.11"
}
}
},
{
"category": "product_version_range",
"name": "\u003c4.1.132",
"product": {
"name": "Open Source Netty \u003c4.1.132",
"product_id": "T052121"
}
},
{
"category": "product_version",
"name": "4.1.132",
"product": {
"name": "Open Source Netty 4.1.132",
"product_id": "T052121-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:netty:netty:4.1.132"
}
}
}
],
"category": "product_name",
"name": "Netty"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"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": "product_version",
"name": "Quarkus",
"product": {
"name": "Red Hat Enterprise Linux Quarkus",
"product_id": "T028364",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:quarkus"
}
}
},
{
"category": "product_version",
"name": "Apache Camel for Spring Boot",
"product": {
"name": "Red Hat Enterprise Linux Apache Camel for Spring Boot",
"product_id": "T040879",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:apache_camel_for_spring_boot"
}
}
},
{
"category": "product_version",
"name": "Apache Camel for Quarkus",
"product": {
"name": "Red Hat Enterprise Linux Apache Camel for Quarkus",
"product_id": "T052770",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:apache_camel_for_quarkus"
}
}
},
{
"category": "product_version_range",
"name": "Cryostat \u003c4.2.0",
"product": {
"name": "Red Hat Enterprise Linux Cryostat \u003c4.2.0",
"product_id": "T054651"
}
},
{
"category": "product_version",
"name": "Cryostat 4.2.0",
"product": {
"name": "Red Hat Enterprise Linux Cryostat 4.2.0",
"product_id": "T054651-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:cryostat__4.2.0"
}
}
}
],
"category": "product_name",
"name": "Enterprise Linux"
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
},
{
"category": "product_name",
"name": "SUSE openSUSE",
"product": {
"name": "SUSE openSUSE",
"product_id": "T027843",
"product_identification_helper": {
"cpe": "cpe:/o:suse:opensuse:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-33870",
"product_status": {
"known_affected": [
"T054651",
"T028364",
"T052770",
"T052121",
"T058878",
"67646",
"T040879",
"T050433",
"T054764",
"T054335",
"T019402",
"T002207",
"T052119",
"T044769",
"T027843"
]
},
"release_date": "2026-03-24T23:00:00.000+00:00",
"title": "CVE-2026-33870"
},
{
"cve": "CVE-2026-33871",
"product_status": {
"known_affected": [
"T054651",
"T028364",
"T052770",
"T052121",
"T058878",
"67646",
"T040879",
"T050433",
"T054764",
"T054335",
"T019402",
"T002207",
"T052119",
"T044769",
"T027843"
]
},
"release_date": "2026-03-24T23:00:00.000+00:00",
"title": "CVE-2026-33871"
}
]
}
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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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