{
  "fix": "ALAS2023-2026-1963",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1963",
  "summary": "ALAS2023-2026-1963, released July 20, 2026, fixes 5 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": "2026-07-20T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-11940, high severity",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0075,
  "maxCvss": 8.2,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1963.html",
  "appliesTo": [
    {
      "product": "python-unversioned-command",
      "productUrl": "https://patchblox.com/security/product/linux/python-unversioned-command",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3",
      "productUrl": "https://patchblox.com/security/product/linux/python3",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3-debug",
      "productUrl": "https://patchblox.com/security/product/linux/python3-debug",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3-devel",
      "productUrl": "https://patchblox.com/security/product/linux/python3-devel",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3-idle",
      "productUrl": "https://patchblox.com/security/product/linux/python3-idle",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3-libs",
      "productUrl": "https://patchblox.com/security/product/linux/python3-libs",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3-test",
      "productUrl": "https://patchblox.com/security/product/linux/python3-test",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3-tkinter",
      "productUrl": "https://patchblox.com/security/product/linux/python3-tkinter",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3.9-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/python3.9-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "python3.9-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/python3.9-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.9.25-1.amzn2023.0.8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-11940",
      "url": "https://patchblox.com/security/cve/CVE-2026-11940",
      "title": "tarfile extraction filter bypass allows escaping the destination directory",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0075,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-11972",
      "url": "https://patchblox.com/security/cve/CVE-2026-11972",
      "title": "tarfile opened in streaming mode mishandles EOF",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00715,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9669",
      "url": "https://patchblox.com/security/cve/CVE-2026-9669",
      "title": "bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00428,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3276",
      "url": "https://patchblox.com/security/cve/CVE-2026-3276",
      "title": "Potential DoS via quadratic complexity in unicodedata.normalize()",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.3,
      "epss": 0.00486,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0864",
      "url": "https://patchblox.com/security/cve/CVE-2026-0864",
      "title": "Configuration Injection via Carriage Return (\\r) in write() method",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00126,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}