{
  "fix": "efi-shell-aa64 2025.11-3ubuntu7.3",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-efi-shell-aa64-2025.11-3ubuntu7.3",
  "summary": "efi-shell-aa64 2025.11-3ubuntu7.3, released August 24, 2026, fixes 4 CVEs in efi-shell-aa64. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "package",
  "title": "efi-shell-aa64 2025.11-3ubuntu7.3 for Ubuntu 26.04.1 LTS (resolute)",
  "released": "2026-08-24T17:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-75803, rated Critical",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01602,
  "maxCvss": 9.1,
  "appliesTo": [
    {
      "product": "efi-shell-aa64",
      "productUrl": "https://patchblox.com/security/product/linux/efi-shell-aa64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2025.11-3ubuntu7.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-75803",
      "url": "https://patchblox.com/security/cve/CVE-2026-75803",
      "title": "openssl-3: AEAD forgeries with empty ciphertext when using \u0060EVP_Cipher()\u0060 (bsc#1275837).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00254,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63076",
      "url": "https://patchblox.com/security/cve/CVE-2026-63076",
      "title": "Invalid Pointer Dereference in CMP Server via Crafted protectionAlg",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.01602,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63072",
      "url": "https://patchblox.com/security/cve/CVE-2026-63072",
      "title": "Heap Buffer Overflow in CMS Key Unwrapping",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00916,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-54874",
      "url": "https://patchblox.com/security/cve/CVE-2026-54874",
      "title": "Excessive Memory Use Buffering DTLS Records for a Future Epoch",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00622,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T19:57:06Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}