November 13, 2026 Follow Egret
CVE-2015-5477 · CVE record: PUBLISHED

ISC BIND Data Processing Errors Vulnerability

n/a n/a

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.

Exploitation evidence

Known exploited · CISA KEV listed

Added 2026-10-08. Ransomware campaign use: Unknown.

CISA required 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.

CISA due date: 2026-10-11. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

n/a / n/a

Default status: Not specified

  • affected: n/a

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Monitored source mentions

Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.99584,
  "percentile": 0.99946
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.99584,
  "percentile": 0.99946
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.99584,
  "percentile": 0.99946
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.99584,
  "percentile": 0.99947
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.99584,
  "percentile": 0.99946
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.99584,
  "percentile": 0.99946
}
05 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.99584,
  "percentile": 0.99946
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.99584,
  "percentile": 0.99946
}
04 Nov 2026, 06:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
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  "epss": 0.99584,
  "percentile": 0.99947
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
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  "epss": 0.99584,
  "percentile": 0.99947
}
03 Nov 2026, 02:22 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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              "name": "1033100",
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              "url": "http://www.securitytracker.com/id/1033100"
            },
            {
              "name": "https://kb.isc.org/article/AA-01307",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/article/AA-01307"
            },
            {
              "name": "76092",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/76092"
            },
            {
              "name": "SUSE-SU-2015:1316",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html"
            },
            {
              "name": "openSUSE-SU-2015:1335",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html"
            },
            {
              "name": "HPSBUX03511",
              "refsource": "HP",
              "url": "http://marc.info/?l=bugtraq&m=144294073801304&w=2"
            },
            {
              "name": "37721",
              "refsource": "EXPLOIT-DB",
              "url": "https://www.exploit-db.com/exploits/37721/"
            },
            {
              "name": "RHSA-2015:1515",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1515.html"
            },
            {
              "name": "SUSE-SU-2015:1322",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html"
            },
            {
              "name": "GLSA-201510-01",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201510-01"
            },
            {
              "name": "SUSE-SU-2015:1304",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html"
            },
            {
              "name": "HPSBOV03506",
              "refsource": "HP",
              "url": "http://marc.info/?l=bugtraq&m=144181171013996&w=2"
            },
            {
              "name": "SSRT102175",
              "refsource": "HP",
              "url": "http://marc.info/?l=bugtraq&m=144017354030745&w=2"
            },
            {
              "name": "https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480",
              "refsource": "CONFIRM",
              "url": "https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480"
            },
            {
              "name": "DSA-3319",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2015/dsa-3319"
            },
            {
              "name": "FEDORA-2015-12357",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html"
            },
            {
              "name": "HPSBUX03400",
              "refsource": "HP",
              "url": "http://marc.info/?l=bugtraq&m=144000632319155&w=2"
            },
            {
              "name": "FEDORA-2015-12335",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html"
            },
            {
              "name": "37723",
              "refsource": "EXPLOIT-DB",
              "url": "https://www.exploit-db.com/exploits/37723/"
            },
            {
              "name": "https://kb.isc.org/article/AA-01305",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/article/AA-01305"
            },
            {
              "name": "RHSA-2016:0078",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-0078.html"
            },
            {
              "name": "SUSE-SU-2016:0227",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html"
            },
            {
              "name": "https://kb.isc.org/article/AA-01306",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/article/AA-01306"
            },
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content&id=SB10126",
              "refsource": "CONFIRM",
              "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10126"
            },
            {
              "name": "https://kb.isc.org/article/AA-01272",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/article/AA-01272"
            },
            {
              "name": "SSRT102211",
              "refsource": "HP",
              "url": "http://marc.info/?l=bugtraq&m=144000632319155&w=2"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-5477",
    "datePublished": "2015-07-29T14:00:00.000Z",
    "dateReserved": "2015-07-10T00:00:00.000Z",
    "dateUpdated": "2026-10-09T03:55:29.574Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2015-5477",
  "cwes": [
    "CWE-19"
  ],
  "dateAdded": "2026-10-08",
  "dueDate": "2026-10-11",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "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",
  "product": "BIND",
  "requiredAction": "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.",
  "shortDescription": "ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries.",
  "vendorProject": "ISC",
  "vulnerabilityName": " ISC BIND Data Processing Errors Vulnerability"
}
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