{
  "fix": "ALAS2023-2026-1756",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1756",
  "summary": "ALAS2023-2026-1756, released May 25, 2026, fixes 10 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 12 packages",
  "released": "2026-05-25T09:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-33278, rated Critical",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0142,
  "maxCvss": 10,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1756.html",
  "appliesTo": [
    {
      "product": "python3-unbound",
      "productUrl": "https://patchblox.com/security/product/linux/python3-unbound",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "python3-unbound-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/python3-unbound-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound",
      "productUrl": "https://patchblox.com/security/product/linux/unbound",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-anchor",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-anchor",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-anchor-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-anchor-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-devel",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-libs",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-libs",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-libs-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-utils",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-utils",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    },
    {
      "product": "unbound-utils-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-utils-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.12",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-33278",
      "url": "https://patchblox.com/security/cve/CVE-2026-33278",
      "title": "Possible arbitrary code execution during DNSSEC validation",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.0142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42944",
      "url": "https://patchblox.com/security/cve/CVE-2026-42944",
      "title": "Heap overflow with multiple NSID, COOKIE, PADDING EDNS options",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00842,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42959",
      "url": "https://patchblox.com/security/cve/CVE-2026-42959",
      "title": "Crash during DNSSEC validation of malicious content",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00807,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-41292",
      "url": "https://patchblox.com/security/cve/CVE-2026-41292",
      "title": "Long list of incoming EDNS options degrades performance",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00748,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-44390",
      "url": "https://patchblox.com/security/cve/CVE-2026-44390",
      "title": "Unbounded name compression in certain cases causes degradation of service",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.5,
      "epss": 0.00648,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42534",
      "url": "https://patchblox.com/security/cve/CVE-2026-42534",
      "title": "Jostle logic bypass degrades resolution performance",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.5,
      "epss": 0.00604,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42960",
      "url": "https://patchblox.com/security/cve/CVE-2026-42960",
      "title": "Possible cache poisoning via promiscuous records for the authority section",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 10,
      "epss": 0.00262,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-40622",
      "url": "https://patchblox.com/security/cve/CVE-2026-40622",
      "title": "Another \u0027ghost domain names\u0027 attack variant",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42923",
      "url": "https://patchblox.com/security/cve/CVE-2026-42923",
      "title": "Degradation of service with unbounded NSEC3 hash calculations",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-44608",
      "url": "https://patchblox.com/security/cve/CVE-2026-44608",
      "title": "Use after free and crash under special conditions in RPZ code",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00255,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}