{
  "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 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" : "Die International Components for Unicode (ICU) sind C, C++ und Java Bibliotheken zur Auswertung regulärer Ausdrücke bzw. zum Verarbeiten von Strings und Zeichen im Unicode Format.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in International Components for Unicode (icu) ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- Sonstiges\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-2022-1330 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1330.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-1330 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1330"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory: DSA-5014 vom 2021-11-29",
      "url" : "https://www.debian.org/security/2021/dsa-5014"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3141-1 vom 2022-09-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012157.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3142-1 vom 2022-09-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012161.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3140-1 vom 2022-09-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012159.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2023-2171 vom 2023-07-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2023-2171.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2023-2172 vom 2023-07-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2023-2172.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3563-1 vom 2023-09-08",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016117.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3563-3 vom 2023-10-30",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016928.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:02079-1 vom 2025-06-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-June/021635.html"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7241823 vom 2025-08-08",
      "url" : "https://www.ibm.com/support/pages/node/7241823"
    }, {
      "category" : "external",
      "summary" : "HCL Security Bulletin vom 2025-10-24",
      "url" : "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0123933"
    } ],
    "source_lang" : "en-US",
    "title" : "International Components for Unicode (icu): Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-10-26T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-10-27T10:03:30.702+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2022-1330",
      "initial_release_date" : "2021-11-29T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-11-29T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2022-09-07T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-07-25T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2023-09-10T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-10-30T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-06-24T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-08-07T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2025-10-26T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von HCL aufgenommen"
      } ],
      "status" : "final",
      "version" : "8"
    }
  },
  "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" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "HCL Commerce",
        "product" : {
          "name" : "HCL Commerce",
          "product_id" : "T019294",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:hcltechsw:commerce:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "HCL"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "IBM DB2",
        "product" : {
          "name" : "IBM DB2",
          "product_id" : "T045745",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:ibm:db2:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<66.1",
          "product" : {
            "name" : "Open Source International Components for Unicode (icu) <66.1",
            "product_id" : "T021140"
          }
        }, {
          "category" : "product_version",
          "name" : "66.1",
          "product" : {
            "name" : "Open Source International Components for Unicode (icu) 66.1",
            "product_id" : "T021140-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:icu_project:international_components_for_unicode:66.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "International Components for Unicode (icu)"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2020-21913",
    "product_status" : {
      "known_affected" : [ "T045745", "2951", "T002207", "T019294", "T021140", "398363" ]
    },
    "release_date" : "2021-11-29T23:00:00.000+00:00",
    "title" : "CVE-2020-21913"
  } ]
}