CVE-2025-55640

{
  "id": "CVE-2025-55640",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-16T19:16:56.243",
  "lastModified": "2026-10-28T14:10:00.220",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de búfer de pila en la función stbl_AddSize (isomedia/stbl_write.c) de GPAC MP4Box v2.4 permite a los atacantes causar una denegación de servicio (DoS) mediante el suministro de un archivo MP4 manipulado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-26T17:25:53.826480Z",
          "id": "CVE-2025-55640",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/gpac/gpac/issues/3261",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4",
      "source": "[email protected]"
    },
    {
      "url": "https://infosec.exchange/@sigdevel/116769271709415444",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/17/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}