GHSA-P65F-MHRM-VHRC

Vulnerability from github – Published: 2026-05-20 15:35 – Updated: 2026-09-17 12:31
VLAI
Details

BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or Kerberos-secured DNS environments. This issue affects BIND 9 versions 9.0.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.9.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-3039"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770",
      "CWE-771"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-20T13:16:23Z",
    "severity": "HIGH"
  },
  "details": "BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets.  Typically these servers will be found in Active Directory integrated DNS deployments and/or Kerberos-secured DNS environments.\nThis issue affects BIND 9 versions 9.0.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.9.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.",
  "id": "GHSA-p65f-mhrm-vhrc",
  "modified": "2026-09-17T12:31:52Z",
  "published": "2026-05-20T15:35:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3039"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3039.json"
    },
    {
      "type": "WEB",
      "url": "https://kb.isc.org/docs/cve-2026-3039"
    },
    {
      "type": "WEB",
      "url": "https://downloads.isc.org/isc/bind9/9.21.22"
    },
    {
      "type": "WEB",
      "url": "https://downloads.isc.org/isc/bind9/9.20.23"
    },
    {
      "type": "WEB",
      "url": "https://downloads.isc.org/isc/bind9/9.18.49"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479767"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-3039"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:65851"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:62549"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:60383"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:57189"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:55441"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:24368"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:24367"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:24339"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:24338"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:23360"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:20334"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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