« Volver al listado

CVE-2026-20439

Estado: AnalizadaMedia (4.4)—

In imgsys, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10431955; Issue ID: MSV-5826.

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)

Google — Android

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-20439",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20439",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-02T13:56:59.855391Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@mediatek.com",
      "affectedData": [
        {
          "vendor": "MediaTek, Inc.",
          "product": "MediaTek chipset",
          "versions": [
            {
              "status": "affected",
              "version": "MT2718"
            },
            {
              "status": "affected",
              "version": "MT6899"
            },
            {
              "status": "affected",
              "version": "MT6991"
            },
            {
              "status": "affected",
              "version": "MT8678"
            },
            {
              "status": "affected",
              "version": "MT8793"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-03-02T09:16:17.170",
  "references": [
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/March-2026",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@mediatek.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@mediatek.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In imgsys, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10431955; Issue ID: MSV-5826."
    },
    {
      "lang": "es",
      "value": "En imgsys, existe una posible caída del sistema debido a un uso después de liberación. Esto podría llevar a una denegación de servicio local si un actor malicioso ya ha obtenido el privilegio de Sistema. La interacción del usuario no es necesaria para la explotación. ID del parche: ALPS10431955; ID del problema: MSV-5826."
    }
  ],
  "lastModified": "2026-06-17T10:17:27.133",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F5506327-7DDF-4E88-9EA8-10B8E32F848B"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C6E9F80F-9AC9-41E0-BB14-9DB6F14B62CD"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security@mediatek.com"
}