WID-SEC-W-2026-1290

Vulnerability from csaf_certbund - Published: 2026-04-27 22:00 - Updated: 2026-08-31 22:00
Summary
MIT Kerberos: Mehrere Schwachstellen ermöglichen Denial of Service
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: Kerberos ist ein verteilter Netzwerkdienst zur Authentifizierung. MIT Kerberos ist die freie Implementierung des "Kerberos network authentication protocol", des Massachusetts Institute of Technology (MIT).
Angriff: Ein Angreifer kann mehrere Schwachstellen in MIT Kerberos ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux - UNIX - Windows
Affected products
Product Identifier Version Remediation
Red Hat Enterprise Linux Update Infrastructure 5.1
Red Hat / Enterprise Linux
cpe:/o:redhat:enterprise_linux:update_infrastructure_5.1 Update Infrastructure 5.1
Red Hat Enterprise Linux Cryostat <4.2.0
Red Hat / Enterprise Linux
Cryostat <4.2.0
IBM QRadar SIEM <7.5.0 UP15 IF04
IBM / QRadar SIEM
<7.5.0 UP15 IF04
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:- —
Siemens SIMATIC S7 1500 CPU
Siemens / SIMATIC S7
cpe:/h:siemens:simatic_s7:1500_cpu 1500 CPU
Debian Linux
Debian
cpe:/o:debian:debian_linux:- —
IBM MQ operator
IBM / MQ
cpe:/a:ibm:mq:operator operator
Oracle Linux
Oracle
cpe:/o:oracle:linux:- —
RESF Rocky Linux
RESF
cpe:/o:resf:rocky_linux:- —
Fedora Linux
Fedora
cpe:/o:fedoraproject:fedora:- —
SUSE Linux
SUSE
cpe:/o:suse:suse_linux:- —
Ubuntu Linux
Ubuntu
cpe:/o:canonical:ubuntu_linux:- —
SUSE openSUSE
SUSE
cpe:/o:suse:opensuse:- —
Affected products
Known affected 14 products, the same list as for CVE-2026-40355
References
URL Category
https://wid.cert-bund.de/.well-known/csaf/white/2… self
https://wid.cert-bund.de/portal/wid/securityadvis… self
https://cems.fun/2026/04/27/krb5-two-unauthentica… external
https://seclists.org/oss-sec/2026/q2/235 external
https://github.com/krb5/krb5/commit/2e75f0d9362fb… external
https://bodhi.fedoraproject.org/updates/FEDORA-20… external
https://bodhi.fedoraproject.org/updates/FEDORA-20… external
https://bodhi.fedoraproject.org/updates/FEDORA-20… external
https://bodhi.fedoraproject.org/updates/FEDORA-20… external
https://access.redhat.com/errata/RHSA-2026:12220 external
https://lists.opensuse.org/archives/list/security… external
https://access.redhat.com/errata/RHSA-2026:16799 external
https://errata.build.resf.org/RLSA-2026:16799 external
http://linux.oracle.com/errata/ELSA-2026-16799.html external
https://lists.suse.com/pipermail/sle-security-upd… external
https://lists.suse.com/pipermail/sle-security-upd… external
https://lists.suse.com/pipermail/sle-security-upd… external
https://lists.suse.com/pipermail/sle-security-upd… external
https://access.redhat.com/errata/RHSA-2026:19357 external
https://access.redhat.com/errata/RHSA-2026:19145 external
https://security-tracker.debian.org/tracker/DSA-6293-1 external
https://access.redhat.com/errata/RHSA-2026:17789 external
https://access.redhat.com/errata/RHSA-2026:21275 external
https://lists.debian.org/debian-lts-announce/2026… external
https://access.redhat.com/errata/RHSA-2026:22634 external
https://access.redhat.com/errata/RHSA-2026:24685 external
https://access.redhat.com/errata/RHSA-2026:24683 external
https://access.redhat.com/errata/RHSA-2026:24686 external
https://www.ibm.com/support/pages/node/7276589 external
https://lists.suse.com/pipermail/sle-security-upd… external
https://www.ibm.com/support/pages/node/7277096 external
https://access.redhat.com/errata/RHSA-2026:29197 external
http://linux.oracle.com/errata/ELSA-2026-19357.html external
https://lists.suse.com/pipermail/sle-security-upd… external
https://lists.suse.com/pipermail/sle-security-upd… external
https://lists.suse.com/pipermail/sle-security-upd… external
https://cert-portal.siemens.com/productcert/html/… external
https://linux.oracle.com/errata/ELSA-2026-19145.html external
https://access.redhat.com/errata/RHSA-2026:43692 external
https://ubuntu.com/security/notices/USN-8585-1 external
https://www.dell.com/support/kbdoc/de-de/00050359… external
https://www.dell.com/support/kbdoc/000503504/dsa-… external

{
  "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": "Kerberos ist ein verteilter Netzwerkdienst zur Authentifizierung. MIT Kerberos ist die freie Implementierung des \"Kerberos network authentication protocol\", des Massachusetts Institute of Technology (MIT).",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in MIT Kerberos ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX\n- Windows",
        "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-2026-1290 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1290.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1290 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1290"
      },
      {
        "category": "external",
        "summary": "Cem\u0027s Blog vom 2026-04-27 mit PoC",
        "url": "https://cems.fun/2026/04/27/krb5-two-unauthenticated-network-vulnerabilities.html"
      },
      {
        "category": "external",
        "summary": "OSS Security Mailing List vom 2026-04-27",
        "url": "https://seclists.org/oss-sec/2026/q2/235"
      },
      {
        "category": "external",
        "summary": "krb5 Fix vom 2026-04-27",
        "url": "https://github.com/krb5/krb5/commit/2e75f0d9362fb979f5fc92829431a590a130929f"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-2E9FE57A46 vom 2026-04-29",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-2e9fe57a46"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-8B43EA2F82 vom 2026-04-29",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-8b43ea2f82"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-6C99AAA6D3 vom 2026-04-29",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-6c99aaa6d3"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-684396998A vom 2026-04-29",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-684396998a"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:12220 vom 2026-04-30",
        "url": "https://access.redhat.com/errata/RHSA-2026:12220"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:10729-1 vom 2026-05-11",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/CGQDIGY7A2NYHA7RFMRH6ORESGTIUR7C/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:16799 vom 2026-05-13",
        "url": "https://access.redhat.com/errata/RHSA-2026:16799"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:16799 vom 2026-05-14",
        "url": "https://errata.build.resf.org/RLSA-2026:16799"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-16799 vom 2026-05-15",
        "url": "http://linux.oracle.com/errata/ELSA-2026-16799.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:1816-1 vom 2026-05-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026022.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21629-1 vom 2026-05-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026063.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21618-1 vom 2026-05-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026073.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21641-1 vom 2026-05-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026051.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:19357 vom 2026-05-20",
        "url": "https://access.redhat.com/errata/RHSA-2026:19357"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:19145 vom 2026-05-19",
        "url": "https://access.redhat.com/errata/RHSA-2026:19145"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-6293 vom 2026-05-23",
        "url": "https://security-tracker.debian.org/tracker/DSA-6293-1"
      },
      {
        "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": "Red Hat Security Advisory RHSA-2026:21275 vom 2026-05-27",
        "url": "https://access.redhat.com/errata/RHSA-2026:21275"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-4603 vom 2026-05-28",
        "url": "https://lists.debian.org/debian-lts-announce/2026/05/msg00047.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:22634 vom 2026-06-02",
        "url": "https://access.redhat.com/errata/RHSA-2026:22634"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:24685 vom 2026-06-09",
        "url": "https://access.redhat.com/errata/RHSA-2026:24685"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:24683 vom 2026-06-09",
        "url": "https://access.redhat.com/errata/RHSA-2026:24683"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:24686 vom 2026-06-09",
        "url": "https://access.redhat.com/errata/RHSA-2026:24686"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7276589 vom 2026-06-16",
        "url": "https://www.ibm.com/support/pages/node/7276589"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:2449-1 vom 2026-06-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026837.html"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7277096 vom 2026-06-19",
        "url": "https://www.ibm.com/support/pages/node/7277096"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:29197 vom 2026-06-24",
        "url": "https://access.redhat.com/errata/RHSA-2026:29197"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-19357 vom 2026-06-26",
        "url": "http://linux.oracle.com/errata/ELSA-2026-19357.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22255-1 vom 2026-06-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/027060.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22322-1 vom 2026-07-01",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027147.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:2848-1 vom 2026-07-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027370.html"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory SSA-019113 vom 2026-07-14",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-19145 vom 2026-07-17",
        "url": "https://linux.oracle.com/errata/ELSA-2026-19145.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:43692 vom 2026-07-22",
        "url": "https://access.redhat.com/errata/RHSA-2026:43692"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8585-1 vom 2026-07-22",
        "url": "https://ubuntu.com/security/notices/USN-8585-1"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2026-385 vom 2026-08-31",
        "url": "https://www.dell.com/support/kbdoc/de-de/000503592/dsa-2026-385-security-update-for-dell-secure-connect-gateway-policy-manager-multiple-vulnerabilities"
      },
      {
        "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": "MIT Kerberos: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2026-08-31T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-01T10:58:55.755+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-1290",
      "initial_release_date": "2026-04-27T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-04-27T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-04-29T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2026-05-03T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-05-11T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von openSUSE aufgenommen"
        },
        {
          "date": "2026-05-12T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-05-14T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Rocky Enterprise Software Foundation, Oracle Linux und SUSE aufgenommen"
        },
        {
          "date": "2026-05-17T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-05-19T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-05-25T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Debian und Red Hat aufgenommen"
        },
        {
          "date": "2026-05-27T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-05-28T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2026-06-02T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-06-08T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-06-16T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2026-06-18T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-06-24T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-06-25T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2026-06-29T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-01T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-12T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-13T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Siemens aufgenommen"
        },
        {
          "date": "2026-07-16T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2026-07-22T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Red Hat und Ubuntu aufgenommen"
        },
        {
          "date": "2026-08-31T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "24"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "T054613",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "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": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "operator",
                "product": {
                  "name": "IBM MQ operator",
                  "product_id": "T036688",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:mq:operator"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "MQ"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c7.5.0 UP15 IF04",
                "product": {
                  "name": "IBM QRadar SIEM \u003c7.5.0 UP15 IF04",
                  "product_id": "T055485"
                }
              },
              {
                "category": "product_version",
                "name": "7.5.0 UP15 IF04",
                "product": {
                  "name": "IBM QRadar SIEM 7.5.0 UP15 IF04",
                  "product_id": "T055485-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:qradar_siem:7.5.0_up15_if04"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "QRadar SIEM"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=1.18",
                "product": {
                  "name": "MIT Kerberos \u003e=1.18",
                  "product_id": "T053362"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003e=1.18",
                "product": {
                  "name": "MIT Kerberos \u003e=1.18",
                  "product_id": "T053362-fixed"
                }
              }
            ],
            "category": "product_name",
            "name": "Kerberos"
          }
        ],
        "category": "vendor",
        "name": "MIT"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "RESF Rocky Linux",
            "product": {
              "name": "RESF Rocky Linux",
              "product_id": "T032255",
              "product_identification_helper": {
                "cpe": "cpe:/o:resf:rocky_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "RESF"
      },
      {
        "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_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_version",
                "name": "Update Infrastructure 5.1",
                "product": {
                  "name": "Red Hat Enterprise Linux Update Infrastructure 5.1",
                  "product_id": "T054761",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:update_infrastructure_5.1"
                  }
                }
              }
            ],
            "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"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1500 CPU",
                "product": {
                  "name": "Siemens SIMATIC S7 1500 CPU",
                  "product_id": "T053842",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:siemens:simatic_s7:1500_cpu"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC S7"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T055947",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-40355",
      "product_status": {
        "known_affected": [
          "T054761",
          "T054651",
          "T055485",
          "T058878",
          "67646",
          "T053842",
          "T054613",
          "T036688",
          "T004914",
          "T032255",
          "74185",
          "T002207",
          "T055947",
          "T027843"
        ]
      },
      "release_date": "2026-04-27T22:00:00.000+00:00",
      "title": "CVE-2026-40355"
    },
    {
      "cve": "CVE-2026-40356",
      "product_status": {
        "known_affected": [
          "T054761",
          "T054651",
          "T055485",
          "T058878",
          "67646",
          "T053842",
          "T054613",
          "T036688",
          "T004914",
          "T032255",
          "74185",
          "T002207",
          "T055947",
          "T027843"
        ]
      },
      "release_date": "2026-04-27T22:00:00.000+00:00",
      "title": "CVE-2026-40356"
    }
  ]
}



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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.

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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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