WID-SEC-W-2026-0846

Vulnerability from csaf_certbund - Published: 2026-03-24 23:00 - Updated: 2026-05-04 22:00
Summary
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
CVE-2026-33870
Affected products
Product Identifier Version Remediation
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
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Red Hat Enterprise Linux
Red Hat / Enterprise Linux
 cpe:/o:redhat:enterprise_linux:- —
Open Source Netty <4.2.11
Open Source / Netty
 <4.2.11
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
CVE-2026-33871
Affected products
Product Identifier Version Remediation
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
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Red Hat Enterprise Linux
Red Hat / Enterprise Linux
 cpe:/o:redhat:enterprise_linux:- —
Open Source Netty <4.2.11
Open Source / Netty
 <4.2.11
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
References
To clipboard 

{
  "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"
      }
    ],
    "source_lang": "en-US",
    "title": "Netty: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-05-04T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-05T08:26:32.086+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "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"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "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 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_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": [
          "T028364",
          "T052770",
          "T052121",
          "T002207",
          "67646",
          "T052119",
          "T027843"
        ]
      },
      "release_date": "2026-03-24T23:00:00.000+00:00",
      "title": "CVE-2026-33870"
    },
    {
      "cve": "CVE-2026-33871",
      "product_status": {
        "known_affected": [
          "T028364",
          "T052770",
          "T052121",
          "T002207",
          "67646",
          "T052119",
          "T027843"
        ]
      },
      "release_date": "2026-03-24T23:00:00.000+00:00",
      "title": "CVE-2026-33871"
    }
  ]
}


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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.



Detection rules are retrieved from Rulezet.