WID-SEC-W-2026-0231

Vulnerability from csaf_certbund - Published: 2026-01-27 23:00 - Updated: 2026-02-16 23:00
Summary
GnuPG und Gpg4win: Mehrere Schwachstellen
Severity
Hoch
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: GNU Privacy Guard (GnuPG) ist ein quelloffenes Verschlüsselungs Tool Gpg4win ist eine Open-Source-Software für Windows, die zur Verschlüsselung und Signierung von E-Mails und Dateien verwendet wird.
Angriff: Ein Angreifer kann mehrere Schwachstellen in GnuPG und Gpg4win ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial-of-Service-Zustand zu verursachen.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-24881
CVE-2026-24882
CVE-2026-24883
References
To clipboard 

{
  "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 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": "GNU Privacy Guard (GnuPG) ist ein quelloffenes Verschl\u00fcsselungs Tool\r\n\r\nGpg4win ist eine Open-Source-Software f\u00fcr Windows, die zur Verschl\u00fcsselung und Signierung von E-Mails und Dateien verwendet wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in GnuPG und Gpg4win ausnutzen, um beliebigen Programmcode auszuf\u00fchren  oder einen Denial-of-Service-Zustand zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\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-2026-0231 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0231.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0231 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0231"
      },
      {
        "category": "external",
        "summary": "Release GnuPG 2.5.17 vom 2026-01-27",
        "url": "https://dev.gnupg.org/T7996"
      },
      {
        "category": "external",
        "summary": "GnuPG security release vom 2026-01-27",
        "url": "https://seclists.org/oss-sec/2026/q1/127"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:20179-1 vom 2026-02-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024005.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-D5C00A447F vom 2026-02-03",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-d5c00a447f"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:20195-1 vom 2026-02-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024024.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:0434-1 vom 2026-02-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024114.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:2719 vom 2026-02-16",
        "url": "https://access.redhat.com/errata/RHSA-2026:2719"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:2753 vom 2026-02-16",
        "url": "https://access.redhat.com/errata/RHSA-2026:2753"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-2719 vom 2026-02-16",
        "url": "https://linux.oracle.com/errata/ELSA-2026-2719.html"
      }
    ],
    "source_lang": "en-US",
    "title": "GnuPG und Gpg4win: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-02-16T23:00:00.000+00:00",
      "generator": {
        "date": "2026-02-17T09:05:28.110+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0231",
      "initial_release_date": "2026-01-27T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-01-27T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-02-02T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-02-03T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-02-11T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-02-15T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-02-16T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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_range",
                "name": "\u003c2.5.17",
                "product": {
                  "name": "Open Source GnuPG \u003c2.5.17",
                  "product_id": "T050355"
                }
              },
              {
                "category": "product_version",
                "name": "2.5.17",
                "product": {
                  "name": "Open Source GnuPG 2.5.17",
                  "product_id": "T050355-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:gnupg:gnupg:2.5.17"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "GnuPG"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c5.0.1",
                "product": {
                  "name": "Open Source Gpg4win \u003c5.0.1",
                  "product_id": "T050356"
                }
              },
              {
                "category": "product_version",
                "name": "5.0.1",
                "product": {
                  "name": "Open Source Gpg4win 5.0.1",
                  "product_id": "T050356-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:gpg4win:gpg4win:5.0.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Gpg4win"
          }
        ],
        "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": "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": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-24881",
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T050356",
          "T050355",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2026-01-27T23:00:00.000+00:00",
      "title": "CVE-2026-24881"
    },
    {
      "cve": "CVE-2026-24882",
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T050356",
          "T050355",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2026-01-27T23:00:00.000+00:00",
      "title": "CVE-2026-24882"
    },
    {
      "cve": "CVE-2026-24883",
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T050356",
          "T050355",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2026-01-27T23:00:00.000+00:00",
      "title": "CVE-2026-24883"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.