{
  "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": "Exim (EXperimental Internet Mailer) ist ein Mailserver und Mail Transfer Agent.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Exim ausnutzen, um eine Heap-Besch\u00e4digung zu erzielen, was m\u00f6glicherweise zur Ausf\u00fchrung von beliebigem Code f\u00fchren kann.",
        "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-2025-2840 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2840.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2840 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2840"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2025-12-14",
        "url": "https://github.com/advisories/GHSA-6qxw-x3vc-phrg"
      },
      {
        "category": "external",
        "summary": "OSS Security Mailing List vom 2025-12-14",
        "url": "https://seclists.org/oss-sec/2025/q4/256"
      },
      {
        "category": "external",
        "summary": "PoC vom 2025-12-22",
        "url": "https://code.exim.org/exim/exim/src/commit/d46a6727798fc48d1756190a6d46d19216348c25/doc/doc-txt/exim-security-2025-12-09.1/report.txt"
      }
    ],
    "source_lang": "en-US",
    "title": "Exim: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2025-12-21T23:00:00.000+00:00",
      "generator": {
        "date": "2025-12-22T09:09:59.441+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2025-2840",
      "initial_release_date": "2025-12-14T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-12-14T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-12-21T23:00:00.000+00:00",
          "number": "2",
          "summary": "PoC aufgenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.99.1",
                "product": {
                  "name": "Open Source Exim \u003c4.99.1",
                  "product_id": "T049407"
                }
              },
              {
                "category": "product_version",
                "name": "4.99.1",
                "product": {
                  "name": "Open Source Exim 4.99.1",
                  "product_id": "T049407-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:exim:exim:4.99.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Exim"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-67896",
      "product_status": {
        "known_affected": [
          "T049407"
        ]
      },
      "release_date": "2025-12-14T23:00:00.000+00:00",
      "title": "CVE-2025-67896"
    }
  ]
}