FKIE_CVE-2026-52492

Vulnerability from fkie_nvd - Published: 2026-08-24 21:17 - Updated: 2026-10-12 21:10
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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
References
cve@mitre.orghttps://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa
cve@mitre.orghttps://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "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"
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de entero en la funci\u00f3n cvtRaster() de la utilidad rgb2ycbcr de libtiff al calcular los tama\u00f1os de los b\u00faferes de tira puede resultar en una asignaci\u00f3n de mont\u00edculo de tama\u00f1o insuficiente y un desbordamiento de b\u00fafer basado en mont\u00edculo posterior durante la conversi\u00f3n YCbCr de una imagen TIFF manipulada."
    }
  ],
  "id": "CVE-2026-52492",
  "lastModified": "2026-10-12T21:10:00.227",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-52492",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-27T19:04:50.602512Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-24T21:17:19.927",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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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.

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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.