{
  "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" : "Expat ist ein XML Parser, der in der Programmiersprache-C geschrieben ist.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann eine Schwachstelle in expat ausnutzen, um einen Integer-Überlauf auszulösen, der weitere Angriffe ermöglicht, darunter Codeausführung, Offenlegung von Informationen, Speicherbeschädigung und Denial-of-Service.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Sonstiges\n- UNIX",
      "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-2026-0265 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0265.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0265 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0265"
    }, {
      "category" : "external",
      "summary" : "NIST Vulnerability Database vom 2026-01-29",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-25210"
    }, {
      "category" : "external",
      "summary" : "Commit auf GitHub vom 2026-01-29",
      "url" : "https://github.com/libexpat/libexpat/pull/1075/commits/9c2d990389e6abe2e44527eeaa8b39f16fe859c7"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10144-1 vom 2026-02-05",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/TV4R2W7MS2YULWMW7DBASLADMSNKJ3KD/"
    }, {
      "category" : "external",
      "summary" : "Tenable Security Advisory TNS-2026-04 vom 2026-02-05",
      "url" : "https://de.tenable.com/security/tns-2026-04"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0386-1 vom 2026-02-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024061.html"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.7 Errata 020 vom 2026-02-09",
      "url" : "https://www.openbsd.org/errata77.html"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.8 Errata 014 vom 2026-02-09",
      "url" : "https://www.openbsd.org/errata78.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8022-1 vom 2026-02-11",
      "url" : "https://ubuntu.com/security/notices/USN-8022-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8023-1 vom 2026-02-11",
      "url" : "https://ubuntu.com/security/notices/USN-8023-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8022-2 vom 2026-02-16",
      "url" : "https://ubuntu.com/security/notices/USN-8022-2"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20350-1 vom 2026-02-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024280.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3170 vom 2026-02-19",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3170.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3171 vom 2026-02-19",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3171.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2FIREFOX-2026-051 vom 2026-02-19",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2FIREFOX-2026-051.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0647-1 vom 2026-02-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024400.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0646-1 vom 2026-02-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024401.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20481-1 vom 2026-02-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024489.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0826-1 vom 2026-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024633.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20627-1 vom 2026-03-06",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024647.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20642-1 vom 2026-03-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024658.html"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7266572 vom 2026-03-17",
      "url" : "https://www.ibm.com/support/pages/node/7266572"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7266568 vom 2026-03-17",
      "url" : "https://www.ibm.com/support/pages/node/7266568"
    }, {
      "category" : "external",
      "summary" : "Meinberg Security Advisory MBGSA-2026.03 vom 2026-04-15",
      "url" : "http://news.meinberg.de/668/"
    } ],
    "source_lang" : "en-US",
    "title" : "expat: Schwachstelle ermöglicht Codeausführung",
    "tracking" : {
      "current_release_date" : "2026-04-14T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-04-15T07:49:30.368+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0265",
      "initial_release_date" : "2026-01-29T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-01-29T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-02-01T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Referenz(en) aufgenommen: EUVD-2026-5042"
      }, {
        "date" : "2026-02-05T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von openSUSE, Tenable und SUSE aufgenommen"
      }, {
        "date" : "2026-02-09T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates aufgenommen"
      }, {
        "date" : "2026-02-10T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-02-11T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-02-16T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-02-18T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2026-02-25T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-01T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-05T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-08T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-17T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2026-04-14T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Meinberg aufgenommen"
      } ],
      "status" : "final",
      "version" : "14"
    }
  },
  "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",
          "name" : "7.3",
          "product" : {
            "name" : "IBM AIX 7.3",
            "product_id" : "1139691",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:ibm:aix:7.3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "AIX"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "4.1",
          "product" : {
            "name" : "IBM VIOS 4.1",
            "product_id" : "1522854",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:ibm:vios:4.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "VIOS"
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<7.10.009",
          "product" : {
            "name" : "Meinberg LANTIME <7.10.009",
            "product_id" : "T052850"
          }
        }, {
          "category" : "product_version",
          "name" : "7.10.009",
          "product" : {
            "name" : "Meinberg LANTIME 7.10.009",
            "product_id" : "T052850-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:meinberg:lantime:7.10.009"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "LANTIME"
      } ],
      "category" : "vendor",
      "name" : "Meinberg"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<2.7.4",
          "product" : {
            "name" : "Open Source expat <2.7.4",
            "product_id" : "T050448"
          }
        }, {
          "category" : "product_version",
          "name" : "2.7.4",
          "product" : {
            "name" : "Open Source expat 2.7.4",
            "product_id" : "T050448-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:expat:expat:2.7.4"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "expat"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7.7",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.7",
            "product_id" : "T043361",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.7"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "7.8",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.8",
            "product_id" : "T049929",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.8"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenBSD"
      } ],
      "category" : "vendor",
      "name" : "OpenBSD"
    }, {
      "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_range",
          "name" : "<10.10.2",
          "product" : {
            "name" : "Tenable Security Nessus <10.10.2",
            "product_id" : "T050574"
          }
        }, {
          "category" : "product_version",
          "name" : "10.10.2",
          "product" : {
            "name" : "Tenable Security Nessus 10.10.2",
            "product_id" : "T050574-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:tenable:nessus:10.10.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<10.11.2",
          "product" : {
            "name" : "Tenable Security Nessus <10.11.2",
            "product_id" : "T050575"
          }
        }, {
          "category" : "product_version",
          "name" : "10.11.2",
          "product" : {
            "name" : "Tenable Security Nessus 10.11.2",
            "product_id" : "T050575-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:tenable:nessus:10.11.2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Nessus"
      } ],
      "category" : "vendor",
      "name" : "Tenable Security"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T000126",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-25210",
    "product_status" : {
      "known_affected" : [ "1139691", "T002207", "T049929", "T050448", "T000126", "T027843", "1522854", "T050575", "398363", "T043361", "T052850", "T050574" ]
    },
    "release_date" : "2026-01-29T23:00:00.000+00:00",
    "title" : "CVE-2026-25210"
  } ]
}