{
  "fix": "ALAS2023-2026-2039",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2039",
  "summary": "ALAS2023-2026-2039, released August 3, 2026, fixes 3 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": "2026-08-03T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-12413, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00598,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-2039.html",
  "appliesTo": [
    {
      "product": "libreswan",
      "productUrl": "https://patchblox.com/security/product/linux/libreswan",
      "release": "amzn 2023",
      "fixedVersion": "4.12-3.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "libreswan-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/libreswan-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "4.12-3.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "libreswan-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/libreswan-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "4.12-3.amzn2023.0.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-12413",
      "url": "https://patchblox.com/security/cve/CVE-2026-12413",
      "title": "IKEv2 Denial of Service via malformed fragmentation",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00598,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50721",
      "url": "https://patchblox.com/security/cve/CVE-2026-50721",
      "title": "IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00386,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50722",
      "url": "https://patchblox.com/security/cve/CVE-2026-50722",
      "title": "IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00346,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}