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CVE-2026-33582

Estado: AnalizadaMedia (6.5)—

Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.0.

A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the server process to crash. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Apache — Answer

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-33582",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-33582",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-09T15:06:11.432320Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Answer",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "2.0.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-06-09T09:16:29.187",
  "references": [
    {
      "url": "https://lists.apache.org/thread/3sgpx4cwsgpnt66xv3cqvtc8z4st1kbq",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "source": "security@apache.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/06/09/5",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.0.\n\nA crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the server process to crash.\nUsers are recommended to upgrade to version 2.0.1, which fixes the issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de carga sin restricciones de archivo con tipo peligroso en Apache Answer.\n\nEste problema afecta a Apache Answer: hasta 2.0.0.\n\nUna imagen TIFF manipulada podría desencadenar una asignación excesiva de memoria durante la decodificación de la imagen, permitiendo a un usuario autenticado provocar la caída del proceso del servidor.\nSe recomienda a los usuarios actualizar a la versión 2.0.1, que soluciona el problema."
    }
  ],
  "lastModified": "2026-07-23T08:10:00.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8B9547BB-CB67-4B4D-B33D-4BF889D6E311",
              "versionEndExcluding": "2.0.1"
            }
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          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security@apache.org"
}