{
  "fix": "OPENSUSE-SU-2026:21015-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21015-1",
  "summary": "OPENSUSE-SU-2026:21015-1, released June 22, 2026, fixes 18 CVEs in dnsdist (version 1.9.13-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "dnsdist security update",
  "released": "2026-06-22T14:30:36Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-33598, rated Critical",
  "supported": true,
  "cveCount": 18,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01073,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21015-1",
  "appliesTo": [
    {
      "product": "dnsdist",
      "productUrl": "https://patchblox.com/security/product/linux/dnsdist",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.9.13-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-33598",
      "url": "https://patchblox.com/security/cve/CVE-2026-33598",
      "title": "dnsdist: A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAdd...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.01073,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-24028",
      "url": "https://patchblox.com/security/cve/CVE-2026-24028",
      "title": "dnsdist: An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.01068,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33602",
      "url": "https://patchblox.com/security/cve/CVE-2026-33602",
      "title": "dnsdist: A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, t...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.00731,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-24030",
      "url": "https://patchblox.com/security/cve/CVE-2026-24030",
      "title": "dnsdist: An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00557,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33260",
      "url": "https://patchblox.com/security/cve/CVE-2026-33260",
      "title": "dnsdist: An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a d...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00524,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33257",
      "url": "https://patchblox.com/security/cve/CVE-2026-33257",
      "title": "dnsdist: An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a d...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27853",
      "url": "https://patchblox.com/security/cve/CVE-2026-27853",
      "title": "dnsdist: An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the D...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00508,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27854",
      "url": "https://patchblox.com/security/cve/CVE-2026-27854",
      "title": "dnsdist: An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuesti...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00489,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33593",
      "url": "https://patchblox.com/security/cve/CVE-2026-33593",
      "title": "dnsdist: A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00381,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33254",
      "url": "https://patchblox.com/security/cve/CVE-2026-33254",
      "title": "dnsdist: An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in D...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33594",
      "url": "https://patchblox.com/security/cve/CVE-2026-33594",
      "title": "dnsdist: A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33595",
      "url": "https://patchblox.com/security/cve/CVE-2026-33595",
      "title": "dnsdist: A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 c...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33597",
      "url": "https://patchblox.com/security/cve/CVE-2026-33597",
      "title": "dnsdist: PRSD detection denial of service",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00348,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33599",
      "url": "https://patchblox.com/security/cve/CVE-2026-33599",
      "title": "dnsdist: A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via e...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00283,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33596",
      "url": "https://patchblox.com/security/cve/CVE-2026-33596",
      "title": "dnsdist: A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00169,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0397",
      "url": "https://patchblox.com/security/cve/CVE-2026-0397",
      "title": "dnsdist: When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator log...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00167,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-24029",
      "url": "https://patchblox.com/security/cve/CVE-2026-24029",
      "title": "dnsdist: When the early_acl_drop (earlyACLDrop in Lua) option is disabled (default is enabled) on a DNS over HTTPs frontend us...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00154,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0396",
      "url": "https://patchblox.com/security/cve/CVE-2026-0396",
      "title": "dnsdist: An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00141,
      "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"
  }
}