{
  "id": "CVE-2015-5477",
  "url": "https://spydr.io/cve/CVE-2015-5477",
  "published": "2015-07-29T14:59:05.397Z",
  "modified": "2026-10-08T18:17:11.250Z",
  "score": 7.5,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "score_source": "CISA ADP",
  "epss": 0.91284,
  "epss_percentile": 0.9981,
  "exploited": true,
  "kev": {
    "added": "2026-10-08",
    "due": "2026-10-11",
    "action": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "ransomware": "Unknown",
    "name": "ISC BIND Data Processing Errors Vulnerability",
    "notes": "This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://web.archive.org/web/20150729014733/https://kb.isc.org/article/AA-01272 ; https://access.redhat.com/errata/RHSA-2015:1513.html; https://supportportal.juniper.net/s/article/2016-01-Security-Bulletin-Junos-Vulnerability-in-ISC-BIND-named-CVE-2015-5477 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2015-5477"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "isc"
  ],
  "products": [
    "isc bind"
  ],
  "cwes": [
    "CWE-19",
    "CWE-617"
  ],
  "description": "named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.",
  "status": "Modified",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718",
      "tags": []
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html",
      "tags": []
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html",
      "tags": []
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html",
      "tags": []
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html",
      "tags": []
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=144000632319155&w=2",
      "tags": []
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=144017354030745&w=2",
      "tags": []
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=144181171013996&w=2",
      "tags": []
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=144294073801304&w=2",
      "tags": []
    },
    {
      "url": "http://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html",
      "tags": []
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1513.html",
      "tags": []
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1514.html",
      "tags": []
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1515.html",
      "tags": []
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0078.html",
      "tags": []
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0079.html",
      "tags": []
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3319",
      "tags": []
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html",
      "tags": []
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
      "tags": []
    },
    {
      "url": "http://www.securityfocus.com/bid/76092",
      "tags": []
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2015-5477",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}