{
  "cveId": "CVE-2025-43300",
  "url": "https://patchblox.com/security/cve/CVE-2025-43300",
  "summary": "CVE-2025-43300 is fixed in 3 products on 1 platform, first by Sequoia 15.6.1, released August 20, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on August 21, 2025. Patch Radar priority: Patch now.",
  "title": "ImageIO: Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.",
  "description": "An out-of-bounds write issue was addressed with improved bounds checking.",
  "published": "2025-08-20T00:00:00Z",
  "severity": "CRITICAL",
  "cvss": 10,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "epss": 0.65159,
  "epssPercentile": 0.99258,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": true,
  "disclosed": false,
  "kev": {
    "added": "2025-08-21T00:00:00Z",
    "due": "2025-09-11T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable."
  },
  "vendorAdvisory": "https://support.apple.com/en-us/124929",
  "fixes": [
    {
      "platform": "macos",
      "product": "Sequoia",
      "fixedVersion": "15.6.1",
      "fix": "Sequoia 15.6.1",
      "url": "https://patchblox.com/security/fix/macos/sequoia-15.6.1",
      "released": "2025-08-20T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Sonoma",
      "fixedVersion": "14.7.8",
      "fix": "Sonoma 14.7.8",
      "url": "https://patchblox.com/security/fix/macos/sonoma-14.7.8",
      "released": "2025-08-20T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Ventura",
      "fixedVersion": "13.7.8",
      "fix": "Ventura 13.7.8",
      "url": "https://patchblox.com/security/fix/macos/ventura-13.7.8",
      "released": "2025-08-20T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}