{
  "cveId": "CVE-2026-27854",
  "url": "https://patchblox.com/security/cve/CVE-2026-27854",
  "summary": "CVE-2026-27854 is fixed in dnsdist on 1 platform, first by DEBIAN-CVE-2026-27854, released March 31, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "dnsdist: An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuesti...",
  "description": "An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a use-after-free and potentially a crash resulting in denial of service.",
  "published": "2026-03-31T12:16:28Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00489,
  "epssPercentile": 0.42378,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dnsdist",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.9.14-0\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-27854",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-27854",
      "released": "2026-03-31T12:16:28Z"
    },
    {
      "platform": "linux",
      "product": "dnsdist",
      "release": "Debian 14",
      "fixedVersion": "2.0.3-1",
      "fix": "DEBIAN-CVE-2026-27854",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-27854",
      "released": "2026-03-31T12:16:28Z"
    },
    {
      "platform": "linux",
      "product": "dnsdist",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.9.13-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21015-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21015-1",
      "released": "2026-06-22T14:30:36Z"
    },
    {
      "platform": "linux",
      "product": "dnsdist",
      "release": "sles 15.7",
      "fixedVersion": "1.9.12-150700.3.9.1",
      "fix": "SUSE-SU-2026:1618-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1618-1",
      "released": "2026-04-24T14:25:54Z"
    },
    {
      "platform": "linux",
      "product": "dnsdist",
      "release": "sles 16.0",
      "fixedVersion": "1.9.13-160000.1.1",
      "fix": "SUSE-SU-2026:22319-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22319-1",
      "released": "2026-06-22T14:28:56Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}