{
  "fix": "RLSA-2025:21111",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2025-21111",
  "summary": "RLSA-2025:21111, released November 21, 2025, fixes 3 CVEs in bind9.18 (version 2:9.18.29-5.el9_7.2). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "bind9.18 security update",
  "released": "2025-11-21T18:13:51Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-8677, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.10737,
  "maxCvss": 8.6,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2025:21111",
  "appliesTo": [
    {
      "product": "bind9.18",
      "productUrl": "https://patchblox.com/security/product/linux/bind9.18",
      "release": "rocky 9",
      "fixedVersion": "2:9.18.29-5.el9_7.2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-8677",
      "url": "https://patchblox.com/security/cve/CVE-2025-8677",
      "title": "Resource exhaustion via malformed DNSKEY handling",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.10737,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40778",
      "url": "https://patchblox.com/security/cve/CVE-2025-40778",
      "title": "Cache poisoning attacks with unsolicited RRs",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.00667,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40780",
      "url": "https://patchblox.com/security/cve/CVE-2025-40780",
      "title": "Cache poisoning due to weak PRNG",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.00466,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}