WID-SEC-W-2026-2122

Vulnerability from csaf_certbund - Published: 2026-06-29 22:00 - Updated: 2026-07-21 22:00
Summary
libTIFF: Schwachstelle ermöglicht Codeausführung und Denial of Service
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: libTIFF ist ein Softwarepaket für die Verarbeitung von Bilddateien in Tag Image File Format (TIFF).
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in libTIFF ausnutzen, um beliebigen Programmcode auszuführen, und um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux - UNIX - Windows
CVE-2026-12912
Affected products
Product Identifier Version Remediation
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Open Source libTIFF
Open Source
 cpe:/a:libtiff:libtiff:- —
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": "libTIFF ist ein Softwarepaket f\u00fcr die Verarbeitung von Bilddateien in Tag Image File Format (TIFF).",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in libTIFF ausnutzen, um beliebigen Programmcode auszuf\u00fchren, und um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\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-2026-2122 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2122.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2122 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2122"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-cg4c-j43f-qcg7 vom 2026-06-29",
        "url": "https://github.com/advisories/GHSA-cg4c-j43f-qcg7"
      },
      {
        "category": "external",
        "summary": "PoC f\u00fcr CVE-2026-12912",
        "url": "https://gitlab.com/libtiff/libtiff/-/work_items/824"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:2853-1 vom 2026-07-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027388.html"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:21289-1 vom 2026-07-13",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ZJCWJWBZA7THHPVBMHGTDPTX6KCMYAOO/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:3054-1 vom 2026-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027536.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22590-1 vom 2026-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027503.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:3027-1 vom 2026-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027522.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:22616-1 vom 2026-07-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027583.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-6392 vom 2026-07-19",
        "url": "https://security-tracker.debian.org/tracker/DSA-6392-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:41892 vom 2026-07-20",
        "url": "https://access.redhat.com/errata/RHSA-2026:41892"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-41892 vom 2026-07-20",
        "url": "https://linux.oracle.com/errata/ELSA-2026-41892.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:42668 vom 2026-07-21",
        "url": "https://access.redhat.com/errata/RHSA-2026:42668"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-42668 vom 2026-07-22",
        "url": "https://linux.oracle.com/errata/ELSA-2026-42668.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2026-3823 vom 2026-07-21",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3823.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2026-3822 vom 2026-07-21",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3822.html"
      }
    ],
    "source_lang": "en-US",
    "title": "libTIFF: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung und Denial of Service",
    "tracking": {
      "current_release_date": "2026-07-21T22:00:00.000+00:00",
      "generator": {
        "date": "2026-07-22T09:19:23.756+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2122",
      "initial_release_date": "2026-06-29T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-06-29T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-07-12T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-15T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-16T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-07-19T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian und Red Hat aufgenommen"
        },
        {
          "date": "2026-07-21T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat, Oracle Linux und Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "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": "Open Source libTIFF",
            "product": {
              "name": "Open Source libTIFF",
              "product_id": "T055911",
              "product_identification_helper": {
                "cpe": "cpe:/a:libtiff:libtiff:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T056236",
              "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": "T054646",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T055946",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-12912",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "67646",
          "T055946",
          "398363",
          "T054646",
          "T055911"
        ]
      },
      "release_date": "2026-06-29T22:00:00.000+00:00",
      "title": "CVE-2026-12912"
    }
  ]
}



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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.
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  • 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.


Detection rules are retrieved from Rulezet.