{
  "fix": "ALAS2023-2026-2138",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2138",
  "summary": "ALAS2023-2026-2138, released September 14, 2026, fixes 6 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 3 packages",
  "released": "2026-09-14T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-27145, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00591,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-2138.html",
  "appliesTo": [
    {
      "product": "runc",
      "productUrl": "https://patchblox.com/security/product/linux/runc",
      "release": "amzn 2023",
      "fixedVersion": "1.3.6-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "runc-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/runc-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.3.6-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "runc-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/runc-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.3.6-1.amzn2023.0.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-27145",
      "url": "https://patchblox.com/security/cve/CVE-2026-27145",
      "title": "Inefficient candidate hostname parsing in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00591,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42504",
      "url": "https://patchblox.com/security/cve/CVE-2026-42504",
      "title": "Quadratic complexity in WordDecoder.DecodeHeader in mime",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.0056,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39822",
      "url": "https://patchblox.com/security/cve/CVE-2026-39822",
      "title": "Root escape via symlink plus trailing slash in os",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00232,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42505",
      "url": "https://patchblox.com/security/cve/CVE-2026-42505",
      "title": "Invoking Encrypted Client Hello privacy leak in crypto/tls",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.00382,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42507",
      "url": "https://patchblox.com/security/cve/CVE-2026-42507",
      "title": "Arbitrary inputs are included in errors without any escaping in net/textproto",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.0037,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-41579",
      "url": "https://patchblox.com/security/cve/CVE-2026-41579",
      "title": "runc: Malicious image with /dev symlink can trigger limited host filesystem integrity violations",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.3,
      "epss": 0.00186,
      "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"
  }
}