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CVE-2026-20657

Estado: ModificadaMedia (6.5)—

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. Parsing a maliciously crafted file may lead to an unexpected app termination.

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 (3)

Apple — IpadosApple — Iphone OSApple — Macos

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-20657",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20657",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-26T13:50:36.656387Z"
        }
      }
    ],
    "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:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "18.7.7",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.4",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "14.8.5",
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            },
            {
              "status": "affected",
              "version": "0",
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        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
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              "version": "0",
              "lessThan": "26.4",
              "versionType": "custom"
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        }
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  ],
  "published": "2026-03-25T01:17:04.847",
  "references": [
    {
      "url": "https://support.apple.com/en-us/126792",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/126793",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/126794",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/126795",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
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      "source": "product-security@apple.com"
    },
    {
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      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/126799",
      "source": "product-security@apple.com"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. Parsing a maliciously crafted file may lead to an unexpected app termination."
    },
    {
      "lang": "es",
      "value": "El problema se abordó con una gestión de memoria mejorada. Este problema está solucionado en iOS 18.7.7 y iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5. El análisis de un archivo creado con fines maliciosos puede provocar un cierre inesperado de la aplicación."
    }
  ],
  "lastModified": "2026-06-17T10:17:38.010",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "118313FD-8CF6-4412-B1A8-4BC3D5C2F519",
              "versionEndExcluding": "18.7.7"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "684E10EB-D01A-4E80-8764-B48B554B0B5E",
              "versionEndExcluding": "18.7.7"
            },
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              "vulnerable": true,
              "matchCriteriaId": "D66288AF-23BD-407A-81F5-F1DFBF84C622",
              "versionEndExcluding": "14.8.5",
              "versionStartIncluding": "14.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DD21D2C9-BBEC-4E8E-B8D2-C92B7E6155E1",
              "versionEndExcluding": "15.7.5",
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            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}