WID-SEC-W-2026-1283

Vulnerability from csaf_certbund - Published: 2026-04-26 22:00 - Updated: 2026-06-10 22:00
Summary
CoreDNS: Mehrere Schwachstellen ermöglichen
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: CoreDNS ist ein DNS server.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in CoreDNS ausnutzen, um Sicherheitsmaßnahmen zu umgehen und so vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.
Betroffene Betriebssysteme: - Sonstiges - UNIX
CVE-2026-33190
Affected products
Product Identifier Version Remediation
Open Source CoreDNS <1.14.3
Open Source / CoreDNS
 <1.14.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
CVE-2026-33489
Affected products
Product Identifier Version Remediation
Open Source CoreDNS <1.14.3
Open Source / CoreDNS
 <1.14.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
CVE-2026-35579
Affected products
Product Identifier Version Remediation
Open Source CoreDNS <1.14.3
Open Source / CoreDNS
 <1.14.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
CVE-2026-32934
Affected products
Product Identifier Version Remediation
Open Source CoreDNS <1.14.3
Open Source / CoreDNS
 <1.14.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
CVE-2026-32936
Affected products
Product Identifier Version Remediation
Open Source CoreDNS <1.14.3
Open Source / CoreDNS
 <1.14.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
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": "CoreDNS ist ein DNS server.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in CoreDNS ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen und so vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\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-2026-1283 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1283.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1283 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1283"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-2wpx-qpw2-g5h5 vom 2026-04-26",
        "url": "https://github.com/coredns/coredns/security/advisories/GHSA-2wpx-qpw2-g5h5"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-63cw-r7xf-jmwr vom 2026-04-26",
        "url": "https://github.com/coredns/coredns/security/advisories/GHSA-63cw-r7xf-jmwr"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-h8mm-c463-wjq3 vom 2026-04-26",
        "url": "https://github.com/coredns/coredns/security/advisories/GHSA-h8mm-c463-wjq3"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-qhmp-q7xh-99rh vom 2026-04-26",
        "url": "https://github.com/coredns/coredns/security/advisories/GHSA-qhmp-q7xh-99rh"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-vp29-5652-4fw9 vom 2026-04-26",
        "url": "https://github.com/coredns/coredns/security/advisories/GHSA-vp29-5652-4fw9"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:10673-1 vom 2026-05-05",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/Q3OZSPPM6XK6DDXQVFJ4HPEX7OWUAW42/"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Update Guide vom 2026-05-12",
        "url": "https://msrc.microsoft.com/update-guide/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:25127 vom 2026-06-11",
        "url": "https://access.redhat.com/errata/RHSA-2026:25127"
      }
    ],
    "source_lang": "en-US",
    "title": "CoreDNS: Mehrere Schwachstellen erm\u00f6glichen",
    "tracking": {
      "current_release_date": "2026-06-10T22:00:00.000+00:00",
      "generator": {
        "date": "2026-06-11T10:21:00.199+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-1283",
      "initial_release_date": "2026-04-26T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-04-26T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-05-05T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von European Union Vulnerability Database und openSUSE aufgenommen"
        },
        {
          "date": "2026-05-11T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2026-06-10T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "azl3",
                "product": {
                  "name": "Microsoft Azure Linux azl3",
                  "product_id": "T049210",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:microsoft:azure_linux:azl3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.14.3",
                "product": {
                  "name": "Open Source CoreDNS \u003c1.14.3",
                  "product_id": "T053352"
                }
              },
              {
                "category": "product_version",
                "name": "1.14.3",
                "product": {
                  "name": "Open Source CoreDNS 1.14.3",
                  "product_id": "T053352-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:coredns:coredns:1.14.3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "CoreDNS"
          }
        ],
        "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 openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-33190",
      "product_status": {
        "known_affected": [
          "T053352",
          "67646",
          "T027843",
          "T049210"
        ]
      },
      "release_date": "2026-04-26T22:00:00.000+00:00",
      "title": "CVE-2026-33190"
    },
    {
      "cve": "CVE-2026-33489",
      "product_status": {
        "known_affected": [
          "T053352",
          "67646",
          "T027843",
          "T049210"
        ]
      },
      "release_date": "2026-04-26T22:00:00.000+00:00",
      "title": "CVE-2026-33489"
    },
    {
      "cve": "CVE-2026-35579",
      "product_status": {
        "known_affected": [
          "T053352",
          "67646",
          "T027843",
          "T049210"
        ]
      },
      "release_date": "2026-04-26T22:00:00.000+00:00",
      "title": "CVE-2026-35579"
    },
    {
      "cve": "CVE-2026-32934",
      "product_status": {
        "known_affected": [
          "T053352",
          "67646",
          "T027843",
          "T049210"
        ]
      },
      "release_date": "2026-04-26T22:00:00.000+00:00",
      "title": "CVE-2026-32934"
    },
    {
      "cve": "CVE-2026-32936",
      "product_status": {
        "known_affected": [
          "T053352",
          "67646",
          "T027843",
          "T049210"
        ]
      },
      "release_date": "2026-04-26T22:00:00.000+00:00",
      "title": "CVE-2026-32936"
    }
  ]
}


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Nomenclature

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