{
  "fix": "SUSE-SU-2026:3885-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3885-1",
  "summary": "SUSE-SU-2026:3885-1, released August 31, 2026, fixes 17 CVEs in unbound (version 1.25.2-150600.23.19.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "unbound security update",
  "released": "2026-08-31T14:34:37Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-40691, high severity",
  "supported": true,
  "cveCount": 17,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00365,
  "maxCvss": 9.3,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:3885-1",
  "appliesTo": [
    {
      "product": "unbound",
      "productUrl": "https://patchblox.com/security/product/linux/unbound",
      "release": "sles 15.6",
      "fixedVersion": "1.25.2-150600.23.19.1",
      "supported": true
    },
    {
      "product": "unbound",
      "productUrl": "https://patchblox.com/security/product/linux/unbound",
      "release": "sles 15.7",
      "fixedVersion": "1.25.2-150600.23.19.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-40691",
      "url": "https://patchblox.com/security/cve/CVE-2026-40691",
      "title": "Packet of death for DNSCrypt over TCP",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00293,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50252",
      "url": "https://patchblox.com/security/cve/CVE-2026-50252",
      "title": "Possible cache poisoning attack by mapping source port population per thread",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.3,
      "epss": 0.00172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-44690",
      "url": "https://patchblox.com/security/cve/CVE-2026-44690",
      "title": "Cross-zone wildcard cache poisoning via RRSIG.labels manipulation",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.6,
      "epss": 0.00153,
      "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-2026-56444",
      "url": "https://patchblox.com/security/cve/CVE-2026-56444",
      "title": "Degradation of resolution service when \u0027discard-timeout\u0027 and \u0027serve-expired-client-timeout\u0027 are combined in unusual configuration",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00365,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50251",
      "url": "https://patchblox.com/security/cve/CVE-2026-50251",
      "title": "Attacker supplied \u00270.0.0.0\u0027/\u0027::\u0027 glue triggers defensive full-cache flush",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.00254,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-44621",
      "url": "https://patchblox.com/security/cve/CVE-2026-44621",
      "title": "Libunbound applications configured with \u0027unwanted-reply-threshold\u0027 could eventually be abruptly terminated",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00248,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-55990",
      "url": "https://patchblox.com/security/cve/CVE-2026-55990",
      "title": "Packet of death for a DNSCrypt misconfigured Unbound",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00247,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-54478",
      "url": "https://patchblox.com/security/cve/CVE-2026-54478",
      "title": "DNS Cookie bypass when combined with proxy-protocol use",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.7,
      "epss": 0.00241,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50046",
      "url": "https://patchblox.com/security/cve/CVE-2026-50046",
      "title": "Possible heap use-after-free in an error path when a DoT forwarded query is jostled out",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00237,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-55717",
      "url": "https://patchblox.com/security/cve/CVE-2026-55717",
      "title": "\u0027serve-expired-client-timeout\u0027 and \u0027response-ip\u0027 CNAME redirect could lead to a crash",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00237,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-44687",
      "url": "https://patchblox.com/security/cve/CVE-2026-44687",
      "title": "Off-by-one error in \u0027harden-below-nxdomain\u0027 logic can shadow a stub/forward zone by a legitimate parent\u0027s NXDOMAIN",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.7,
      "epss": 0.00218,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42955",
      "url": "https://patchblox.com/security/cve/CVE-2026-42955",
      "title": "Extra fix for CVE-2026-40622 to also clamp the TTL of A/AAAA records disallowing a one-time \u0027ghost domain\u0027 delegation renewal via glue records",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.7,
      "epss": 0.00196,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46582",
      "url": "https://patchblox.com/security/cve/CVE-2026-46582",
      "title": "A wildcard replay, as another piece of data, triggers poisoning in the serve expired reply path",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.7,
      "epss": 0.00189,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-55708",
      "url": "https://patchblox.com/security/cve/CVE-2026-55708",
      "title": "Privacy/configuration issue when adding local data in views through \u0027unbound-control\u0027",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.1,
      "epss": 0.0016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56416",
      "url": "https://patchblox.com/security/cve/CVE-2026-56416",
      "title": "Possible heap buffer overflow when validator canonicalizes RDATA that contains domain name",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.8,
      "epss": 0.00124,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50243",
      "url": "https://patchblox.com/security/cve/CVE-2026-50243",
      "title": "\u0027response-ip\u0027/\u0027rpz\u0027 can rewrite BOGUS answers instead of returning SERVFAIL",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 3.7,
      "epss": 0.00109,
      "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"
  }
}