{
  "fix": "ALAS2023-2026-1583",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1583",
  "summary": "ALAS2023-2026-1583, released April 13, 2026, fixes 8 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 10 packages",
  "released": "2026-04-13T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-4224, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00717,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1583.html",
  "appliesTo": [
    {
      "product": "python-unversioned-command",
      "productUrl": "https://patchblox.com/security/product/linux/python-unversioned-command",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3",
      "productUrl": "https://patchblox.com/security/product/linux/python3",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3-debug",
      "productUrl": "https://patchblox.com/security/product/linux/python3-debug",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3-devel",
      "productUrl": "https://patchblox.com/security/product/linux/python3-devel",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3-idle",
      "productUrl": "https://patchblox.com/security/product/linux/python3-idle",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3-libs",
      "productUrl": "https://patchblox.com/security/product/linux/python3-libs",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3-test",
      "productUrl": "https://patchblox.com/security/product/linux/python3-test",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3-tkinter",
      "productUrl": "https://patchblox.com/security/product/linux/python3-tkinter",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3.9-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/python3.9-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "python3.9-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/python3.9-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.4",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-4224",
      "url": "https://patchblox.com/security/cve/CVE-2026-4224",
      "title": "Stack overflow parsing XML with deeply nested DTD content models",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00717,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-1299",
      "url": "https://patchblox.com/security/cve/CVE-2026-1299",
      "title": "email BytesGenerator header injection due to unquoted newlines",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.00573,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0865",
      "url": "https://patchblox.com/security/cve/CVE-2026-0865",
      "title": "wsgiref.headers.Headers allows header newline injection",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00554,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-15282",
      "url": "https://patchblox.com/security/cve/CVE-2025-15282",
      "title": "Header injection via newlines in data URL mediatype",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00537,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0672",
      "url": "https://patchblox.com/security/cve/CVE-2026-0672",
      "title": "Header injection in http.cookies.Morsel",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.0048,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-4519",
      "url": "https://patchblox.com/security/cve/CVE-2026-4519",
      "title": "webbrowser.open() allows leading dashes in URLs",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.0032,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2297",
      "url": "https://patchblox.com/security/cve/CVE-2026-2297",
      "title": "SourcelessFileLoader does not use io.open_code()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.0022,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11468",
      "url": "https://patchblox.com/security/cve/CVE-2025-11468",
      "title": "Folding email comments of unfoldable characters doesn\u0027t preserve parenthesis",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.7,
      "epss": 0.00616,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}