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CVE-2026-43653

Full vulnerability record from the local CVENow database.

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

Severity
MEDIUM
CVSS score
6.2 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-11 21:19:01.070000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
  "id": "CVE-2026-43653",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-11T21:19:01.070",
  "lastModified": "2026-10-26T18:10:00.173",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service."
    },
    {
      "lang": "es",
      "value": "El problema se abordó con una gestión de memoria mejorada. Este problema se solucionó en iOS 18.7.9 y iPadOS 18.7.9, iOS 26.5 y iPadOS 26.5, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. Un atacante en la red local podría causar una denegación de servicio."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
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              "versionType": "custom",
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            },
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              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
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          "product": "macOS",
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            },
            {
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              "versionType": "custom",
              "status": "affected"
            },
            {
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              "status": "affected"
            }
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        },
        {
          "vendor": "Apple",
          "product": "tvOS",
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              "versionType": "custom",
              "status": "affected"
            }
          ]
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  ],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "timestamp": "2026-05-12T18:11:32.917804Z",
          "id": "CVE-2026-43653",
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
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  "weaknesses": [
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      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
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  ],
  "configurations": [
    {
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          "negate": false,
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      "source": "[email protected]",
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      "source": "[email protected]"
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}