WID-SEC-W-2026-2052

Vulnerability from csaf_certbund - Published: 2026-06-23 22:00 - Updated: 2026-08-02 22:00
Summary
cURL: Mehrere Schwachstellen
Severity
Mittel
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: cURL ist eine Client-Software, die das Austauschen von Dateien mittels mehrerer Protokolle wie z. B. HTTP oder FTP erlaubt.
Angriff: Ein Angreifer kann mehrere Schwachstellen in cURL ausnutzen, um Sicherheitsvorkehrungen zu umgehen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand oder eine Speicherbeschädigung zu verursachen.
Betroffene Betriebssysteme: - Sonstiges - UNIX
CVE-2026-10536
Affected products
Product Identifier Version Remediation
IBM AIX 7.3
IBM / AIX
 cpe:/o:ibm:aix:7.3 7.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Meinberg LANTIME <V7.10.013
Meinberg / LANTIME
 <V7.10.013
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Open Source cURL <8.21.0
Open Source / cURL
 <8.21.0
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
CVE-2026-11352
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-11564
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-11586
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-11856
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-12064
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-9080
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-9545
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-9546
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
CVE-2026-9547
Affected products
Known affected 8 products, the same list as for CVE-2026-10536
References
To clipboard 

{
  "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": "cURL ist eine Client-Software, die das Austauschen von Dateien mittels mehrerer Protokolle wie z. B. HTTP oder FTP erlaubt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in cURL ausnutzen, um Sicherheitsvorkehrungen zu umgehen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand oder eine Speicherbesch\u00e4digung zu verursachen.",
        "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-2026-2052 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2052.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2052 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2052"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-10536.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-11352.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-11564.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-11586.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-11856.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-12064.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-9080.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-9545.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-9546.html"
      },
      {
        "category": "external",
        "summary": "Curl Document vom 2026-06-23",
        "url": "https://curl.se/docs/CVE-2026-9547.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8487-1 vom 2026-07-01",
        "url": "https://ubuntu.com/security/notices/USN-8487-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:29017 vom 2026-07-03",
        "url": "https://access.redhat.com/errata/RHSA-2026:29017"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8525-1 vom 2026-07-09",
        "url": "https://ubuntu.com/security/notices/USN-8525-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22553-1 vom 2026-07-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027394.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:2926-1 vom 2026-07-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027426.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:2925-1 vom 2026-07-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027427.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22582-1 vom 2026-07-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027438.html"
      },
      {
        "category": "external",
        "summary": "Microsoft Leitfaden f\u00fcr Sicherheitsupdates vom 2026-07-14",
        "url": "https://msrc.microsoft.com/update-guide/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:3043-1 vom 2026-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027507.html"
      },
      {
        "category": "external",
        "summary": "Meinberg Security Advisory MBGSA-2026.05 vom 2026-07-21",
        "url": "http://news.meinberg.de/680/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22709-1 vom 2026-07-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027723.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22889-1 vom 2026-07-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027871.html"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7281743 vom 2026-07-29",
        "url": "https://www.ibm.com/support/pages/node/7281743"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6985269 vom 2026-07-28",
        "url": "https://aix.software.ibm.com/aix/efixes/security/curl_advisory11.asc"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-E691FBBFE7 vom 2026-07-31",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-e691fbbfe7"
      }
    ],
    "source_lang": "en-US",
    "title": "cURL: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-08-02T22:00:00.000+00:00",
      "generator": {
        "date": "2026-08-03T07:18:00.215+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2052",
      "initial_release_date": "2026-06-23T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-06-23T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-06-30T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2026-07-02T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-07-09T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2026-07-13T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-14T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-15T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-21T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Meinberg aufgenommen"
        },
        {
          "date": "2026-07-22T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-27T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-28T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2026-08-02T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Fedora aufgenommen"
        }
      ],
      "status": "final",
      "version": "12"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74178",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "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"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV7.10.013",
                "product": {
                  "name": "Meinberg LANTIME \u003cV7.10.013",
                  "product_id": "T056848"
                }
              },
              {
                "category": "product_version",
                "name": "V7.10.013",
                "product": {
                  "name": "Meinberg LANTIME V7.10.013",
                  "product_id": "T056848-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:meinberg:lantime:v7.10.013"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "LANTIME"
          }
        ],
        "category": "vendor",
        "name": "Meinberg"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "azl3",
                "product": {
                  "name": "Microsoft Azure Linux azl3",
                  "product_id": "T049210",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:microsoft:azure_linux:azl3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c8.21.0",
                "product": {
                  "name": "Open Source cURL \u003c8.21.0",
                  "product_id": "T055713"
                }
              },
              {
                "category": "product_version",
                "name": "8.21.0",
                "product": {
                  "name": "Open Source cURL 8.21.0",
                  "product_id": "T055713-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:curl:curl:8.21.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "cURL"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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": "T054646",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "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-2026-10536",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-10536"
    },
    {
      "cve": "CVE-2026-11352",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-11352"
    },
    {
      "cve": "CVE-2026-11564",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-11564"
    },
    {
      "cve": "CVE-2026-11586",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-11586"
    },
    {
      "cve": "CVE-2026-11856",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-11856"
    },
    {
      "cve": "CVE-2026-12064",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-12064"
    },
    {
      "cve": "CVE-2026-9080",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-9080"
    },
    {
      "cve": "CVE-2026-9545",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-9545"
    },
    {
      "cve": "CVE-2026-9546",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-9546"
    },
    {
      "cve": "CVE-2026-9547",
      "product_status": {
        "known_affected": [
          "1139691",
          "67646",
          "T000126",
          "T056848",
          "74178",
          "T054646",
          "T055713",
          "T049210"
        ]
      },
      "release_date": "2026-06-23T22:00:00.000+00:00",
      "title": "CVE-2026-9547"
    }
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.