{
  "fix": "RHSA-2026:23231",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-23231",
  "summary": "RHSA-2026:23231, released May 20, 2026, fixes 3 CVEs in unbound (version 1.24.2-7.el10_2.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "unbound security update",
  "released": "2026-05-20T11:33:59Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-33278, rated Critical",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0142,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:23231",
  "appliesTo": [
    {
      "product": "unbound",
      "productUrl": "https://patchblox.com/security/product/linux/unbound",
      "release": "RHEL 10",
      "fixedVersion": "1.24.2-7.el10_2.1",
      "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
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}