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CVE-2026-28946

Full vulnerability record from the local CVENow database.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Severity
MEDIUM
CVSS score
6.5 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-11 21:18:55.740000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
  "id": "CVE-2026-28946",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-11T21:18:55.740",
  "lastModified": "2026-10-26T18:10:00.173",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash."
    },
    {
      "lang": "es",
      "value": "Un problema de uso después de liberación se abordó con una gestión de memoria mejorada. Este problema está solucionado en macOS Tahoe 26.5. El procesamiento de contenido web creado con fines maliciosos puede provocar un cierre inesperado de Safari."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.5",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.5",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
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          "packageName": "webkitgtk4",
          "cpes": [
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          ],
          "versions": [
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            }
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        },
        {
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  ],
  "metrics": {
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          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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              "exploitation": "none"
            },
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              "automatable": "no"
            },
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            }
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          "role": "CISA Coordinator",
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  "configurations": [
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}