{
  "threat_severity" : "Important",
  "public_date" : "2026-07-22T00:00:00Z",
  "bugzilla" : {
    "description" : "bind: bind9: Unexpected exit with NSEC and NSEC3 both present",
    "id" : "2504447",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2504447"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-617",
  "details" : [ "If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then BIND may exit unexpectedly with an assertion while validating this proof.\nThis issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.", "If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then BIND may exit unexpectedly with an assertion while validating this proof." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-08-17T00:00:00Z",
    "advisory" : "RHSA-2026:55437",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "bind-32:9.18.33-15.el10_2.10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2026-08-26T00:00:00Z",
    "advisory" : "RHSA-2026:60383",
    "cpe" : "cpe:/o:redhat:rhel_els:7",
    "package" : "bind-32:9.11.4-26.P2.el7_9.21"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-08-13T00:00:00Z",
    "advisory" : "RHSA-2026:54509",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "bind9.16-32:9.16.23-0.22.el8_10.12"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-08-13T00:00:00Z",
    "advisory" : "RHSA-2026:54654",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "bind-32:9.11.36-16.el8_10.14"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-08-13T00:00:00Z",
    "advisory" : "RHSA-2026:54654",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "bind-32:9.11.36-16.el8_10.14"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-08-13T00:00:00Z",
    "advisory" : "RHSA-2026:54510",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "bind-32:9.16.23-40.el9_8.8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-08-17T00:00:00Z",
    "advisory" : "RHSA-2026:55442",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "bind9.18-32:9.18.29-14.el9_8.8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
    "release_date" : "2026-08-19T00:00:00Z",
    "advisory" : "RHSA-2026:57189",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.4",
    "package" : "bind-32:9.16.23-18.el9_4.12"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-08-17T00:00:00Z",
    "advisory" : "RHSA-2026:55441",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "bind-32:9.16.23-31.el9_6.4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.22",
    "release_date" : "2026-08-25T00:00:00Z",
    "advisory" : "RHSA-2026:57362",
    "cpe" : "cpe:/a:redhat:openshift:4.22::el9",
    "package" : "rhcos-4.22.9.8.202608191915-0"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-08-12T00:00:00Z",
    "advisory" : "RHSA-2026:54071",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "bind-main-9.20.26-0.1.hum1",
    "impact" : "important"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Affected",
    "package_name" : "bind",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "dhcp",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift/ose-rhel-coreos-8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-13204\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-13204" ],
  "name" : "CVE-2026-13204",
  "csaw" : false
}