{
  "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 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."
    }, {
      "category" : "description",
      "text" : "tigervnc ist eine Open Source VNC Implentatation. Virtual Network Computing (VNC) ist ein grafisches Desktopsharing System, welches das RFB Protokoll verwendet um einen Computer fernzusteuern.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann eine Schwachstelle in tigervnc ausnutzen, um Informationen offenzulegen, um Dateien zu manipulieren, und um einen Denial of Service Angriff durchzuführen.",
      "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 für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-0888 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0888.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0888 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0888"
    }, {
      "category" : "external",
      "summary" : "GitHub Advisory Database vom 2026-03-26",
      "url" : "https://github.com/advisories/GHSA-4VJ5-VH2W-8G5J"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-03-26",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-16468"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10470-1 vom 2026-04-02",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KSELDN2NZCGJVXFZS4Q37XI7RA3MFBUR/"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:20465-1 vom 2026-04-09",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/4LW4E746TASDIJJLZPLFRYWFKGFG6PHM/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1252-1 vom 2026-04-10",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025196.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1302-1 vom 2026-04-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025319.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3231 vom 2026-04-14",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3231.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1301-1 vom 2026-04-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025320.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1303-1 vom 2026-04-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025318.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1360-1 vom 2026-04-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025359.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21140-1 vom 2026-04-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025517.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:10739 vom 2026-04-27",
      "url" : "https://access.redhat.com/errata/RHSA-2026:10739"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-10739 vom 2026-04-27",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-10739.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:10739 vom 2026-04-28",
      "url" : "https://errata.build.resf.org/RLSA-2026:10739"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:13414 vom 2026-05-04",
      "url" : "https://access.redhat.com/errata/RHSA-2026:13414"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-13414 vom 2026-05-06",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-13414.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:13414 vom 2026-05-07",
      "url" : "https://errata.build.resf.org/RLSA-2026:13414"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:19342 vom 2026-05-20",
      "url" : "https://access.redhat.com/errata/RHSA-2026:19342"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:20576 vom 2026-05-26",
      "url" : "https://access.redhat.com/errata/RHSA-2026:20576"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:21741 vom 2026-05-28",
      "url" : "https://access.redhat.com/errata/RHSA-2026:21741"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:22424 vom 2026-06-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:22424"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:22456 vom 2026-06-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:22456"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:23496 vom 2026-06-05",
      "url" : "https://access.redhat.com/errata/RHSA-2026:23496"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:23255 vom 2026-06-04",
      "url" : "https://access.redhat.com/errata/RHSA-2026:23255"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:23254 vom 2026-06-04",
      "url" : "https://access.redhat.com/errata/RHSA-2026:23254"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:24341 vom 2026-06-08",
      "url" : "https://access.redhat.com/errata/RHSA-2026:24341"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-19342 vom 2026-06-24",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-19342.html"
    } ],
    "source_lang" : "en-US",
    "title" : "tigervnc: Schwachstelle ermöglicht Offenlegung von Informationen, Manipulation von Dateien, und Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-06-23T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-06-24T09:01:39.413+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-0888",
      "initial_release_date" : "2026-03-26T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-03-26T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-04-06T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      }, {
        "date" : "2026-04-09T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      }, {
        "date" : "2026-04-12T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-04-13T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE und Amazon aufgenommen"
      }, {
        "date" : "2026-04-15T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-04-21T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-04-26T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-04-27T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-05-04T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-05-05T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-05-06T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-05-19T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-05-25T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-05-28T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-06-01T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-06-02T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-06-04T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-06-07T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-06-23T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      } ],
      "status" : "final",
      "version" : "20"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Amazon Linux 2",
        "product" : {
          "name" : "Amazon Linux 2",
          "product_id" : "398363",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:amazon:linux_2:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Amazon"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<1.16.2",
          "product" : {
            "name" : "Open Source tigervnc <1.16.2",
            "product_id" : "T052213"
          }
        }, {
          "category" : "product_version",
          "name" : "1.16.2",
          "product" : {
            "name" : "Open Source tigervnc 1.16.2",
            "product_id" : "T052213-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:tigervnc:tigervnc:1.16.2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "tigervnc"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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" : [ {
        "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" : "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-2026-34352",
    "product_status" : {
      "known_affected" : [ "T002207", "67646", "T027843", "398363", "T004914", "T032255", "T052213" ]
    },
    "release_date" : "2026-03-26T23:00:00.000+00:00",
    "title" : "CVE-2026-34352"
  } ]
}