Vulnerability-Lookup

WID-SEC-W-2026-3002

Vulnerability from csaf_certbund - Published: 2026-08-24 22:00 - Updated: 2026-09-23 22:00

Summary

libTIFF: 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: libTIFF ist ein Softwarepaket für die Verarbeitung von Bilddateien in Tag Image File Format (TIFF).

Angriff: Ein Angreifer kann mehrere Schwachstellen in libTIFF ausnutzen, um beliebigen Programmcode auszuführen, und um nicht näher spezifizierte Auswirkungen zu verursachen.

Betroffene Betriebssysteme: - Linux - UNIX - Windows

CVE-2026-52490

Affected products

Known affected 5 products

Product	Identifier	Version
Oracle Linux Oracle	`cpe:/o:oracle:linux:-`	—
RESF Rocky Linux RESF	`cpe:/o:resf:rocky_linux:-`	—
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—
Amazon Linux 2 Amazon	`cpe:/o:amazon:linux_2:-`	—
Open Source libTIFF Open Source	`cpe:/a:libtiff:libtiff:-`	—

CVE-2026-52492

Affected products

Known affected 5 products, the same list as for CVE-2026-52490

References

11 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://gitlab.com/libtiff/libtiff/-/commit/627f9…	external
https://github.com/advisories/GHSA-6QM2-Q5VX-RH4C	external
https://gitlab.com/libtiff/libtiff/-/work_items/846	external
https://gitlab.com/libtiff/libtiff/-/commit/94aff…	external
https://github.com/advisories/GHSA-c22p-2vpj-rh5j	external
https://alas.aws.amazon.com/AL2/ALAS2-2026-3921.html	external
https://access.redhat.com/errata/RHSA-2026:69095	external
https://errata.build.resf.org/RLSA-2026:69095	external
https://linux.oracle.com/errata/ELSA-2026-69095.html	external

JSON

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 Angreifer kann mehrere Schwachstellen in libTIFF ausnutzen, um beliebigen Programmcode auszuf\u00fchren, und um nicht n\u00e4her spezifizierte Auswirkungen zu verursachen.",
        "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-2026-3002 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3002.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3002 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3002"
      },
      {
        "category": "external",
        "summary": "Libtiff GitLab Commit vom 2026-08-24",
        "url": "https://gitlab.com/libtiff/libtiff/-/commit/627f9f526f1c0fb2d8e4fb2b2c8e8234413b9003"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-6QM2-Q5VX-RH4C vom 2026-08-24",
        "url": "https://github.com/advisories/GHSA-6QM2-Q5VX-RH4C"
      },
      {
        "category": "external",
        "summary": "Libtiff GitLab Work Item vom 2026-08-24",
        "url": "https://gitlab.com/libtiff/libtiff/-/work_items/846"
      },
      {
        "category": "external",
        "summary": "Libtiff GitLab Commit vom 2026-08-24",
        "url": "https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-c22p-2vpj-rh5j vom 2026-08-24",
        "url": "https://github.com/advisories/GHSA-c22p-2vpj-rh5j"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2026-3921 vom 2026-09-14",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3921.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:69095 vom 2026-09-21",
        "url": "https://access.redhat.com/errata/RHSA-2026:69095"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:69095 vom 2026-09-22",
        "url": "https://errata.build.resf.org/RLSA-2026:69095"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-69095 vom 2026-09-23",
        "url": "https://linux.oracle.com/errata/ELSA-2026-69095.html"
      }
    ],
    "source_lang": "en-US",
    "title": "libTIFF: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-09-23T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-24T10:26:06.818+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3002",
      "initial_release_date": "2026-08-24T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-24T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-09-14T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2026-09-20T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-09-21T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
        },
        {
          "date": "2026-09-23T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "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": "Open Source libTIFF",
            "product": {
              "name": "Open Source libTIFF",
              "product_id": "T058587",
              "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": "RESF Rocky Linux",
            "product": {
              "name": "RESF Rocky Linux",
              "product_id": "T054581",
              "product_identification_helper": {
                "cpe": "cpe:/o:resf:rocky_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "RESF"
      },
      {
        "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-52490",
      "product_status": {
        "known_affected": [
          "T056236",
          "T054581",
          "67646",
          "398363",
          "T058587"
        ]
      },
      "release_date": "2026-08-24T22:00:00.000+00:00",
      "title": "CVE-2026-52490"
    },
    {
      "cve": "CVE-2026-52492",
      "product_status": {
        "known_affected": [
          "T056236",
          "T054581",
          "67646",
          "398363",
          "T058587"
        ]
      },
      "release_date": "2026-08-24T22:00:00.000+00:00",
      "title": "CVE-2026-52492"
    }
  ]
}

CVE-2026-52490 (GCVE-0-2026-52490)

Vulnerability from cvelistv5 – Published: 2026-08-24 00:00 – Updated: 2026-08-25 19:41

Summary

An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 19:41 UTC

CWE

n/a
CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://gitlab.com/libtiff/libtiff/-/work_items/846
https://gist.github.com/okyfh/122c2d72e991a78c8af…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-52490",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-25T19:41:24.237049Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-94",
                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-25T19:41:57.140Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://gitlab.com/libtiff/libtiff/-/work_items/846"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-24T20:37:51.758Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://gitlab.com/libtiff/libtiff/-/work_items/846"
        },
        {
          "url": "https://gist.github.com/okyfh/122c2d72e991a78c8af80a3af3be8671"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-52490",
    "datePublished": "2026-08-24T00:00:00.000Z",
    "dateReserved": "2026-06-08T00:00:00.000Z",
    "dateUpdated": "2026-08-25T19:41:57.140Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-52492 (GCVE-0-2026-52492)

Vulnerability from cvelistv5 – Published: 2026-08-24 00:00 – Updated: 2026-08-27 19:05

Summary

An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-27 19:04 UTC

CWE

n/a
CWE-190 - Integer Overflow or Wraparound

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://gitlab.com/libtiff/libtiff/-/commit/94aff…
https://gist.github.com/okyfh/fbc5a37cade358361d8…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-52492",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-27T19:04:50.602512Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-190",
                "description": "CWE-190 Integer Overflow or Wraparound",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-27T19:05:00.091Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An integer overflow in the libtiff rgb2ycbcr utility\u0027s cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-24T20:29:29.368Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7"
        },
        {
          "url": "https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-52492",
    "datePublished": "2026-08-24T00:00:00.000Z",
    "dateReserved": "2026-06-08T00:00:00.000Z",
    "dateUpdated": "2026-08-27T19:05:00.091Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

WID-SEC-W-2026-3002

CVE-2026-52490 (GCVE-0-2026-52490)

CVE-2026-52492 (GCVE-0-2026-52492)

Tags

Sightings

Nomenclature

Related by attack behaviour