RHSA-2026:79113
Vulnerability from csaf_redhat - Published: 2026-10-08 15:51 - Updated: 2026-10-09 03:51Summary
Red Hat Security Advisory: bind9.16 security, bug fix, and enhancement update
Severity
Important
Notes
Topic: An update for bind9.16 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling (CVE-2026-19667)
* bind: BIND: Denial of Service via crafted DNSSEC reply (CVE-2026-80274)
* bind: BIND: Denial of Service via malformed DNS64 responses (CVE-2026-19666)
Bug Fix(es) and Enhancement(s):
* bind 9.16 crash with SIGSEGV (JIRA:RHEL-273294)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. When a resolver is configured to use DNS64, a specially crafted, malformed answer from an authoritative server can cause the `named` process to exit unexpectedly. This can lead to a Denial of Service (DoS) for clients relying on the affected resolver.
7.5 (High)
Affected products
Fixed
75 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-32:9.16.23-0.22.el8_10.16.src | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-chroot-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-chroot-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-chroot-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-chroot-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-license-32:9.16.23-0.22.el8_10.16.noarch | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:python3-bind9.16-32:9.16.23-0.22.el8_10.16.noarch | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-debugsource-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-devel-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-devel-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-devel-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-devel-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-devel-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.s390x | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-doc-32:9.16.23-0.22.el8_10.16.noarch | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-libs-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-libs-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.aarch64 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.i686 | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.ppc64le | — |
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| Unresolved product id: CRB-8.10.0.Z.MAIN.EUS:bind9.16-utils-debuginfo-32:9.16.23-0.22.el8_10.16.x86_64 | — |
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Threats
Impact
Important
A flaw was found in `bind9`'s `named` component. A remote attacker, by sending a specially crafted DNS negative answer of exactly 65536 bytes from an authoritative server, can cause a 16-bit length truncation. This results in a zero-byte negative cache entry. When `named` attempts to read this invalid entry, it will unexpectedly terminate, leading to a Denial of Service (DoS).
7.5 (High)
Affected products
Fixed
75 products, the same list as for
CVE-2026-19666
Threats
Impact
Important
A flaw was found in BIND. A remote attacker, by sending a specially crafted DNSSEC-signed authoritative zone reply, can trigger an unexpected program exit in the validating resolver. This can lead to a Denial of Service (DoS) for the affected BIND resolver.
7.5 (High)
Affected products
Fixed
75 products, the same list as for
CVE-2026-19666
Threats
Impact
Important
References
24 references
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"text": "The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.\n\nSecurity Fix(es):\n\n* bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling (CVE-2026-19667)\n\n* bind: BIND: Denial of Service via crafted DNSSEC reply (CVE-2026-80274)\n\n* bind: BIND: Denial of Service via malformed DNS64 responses (CVE-2026-19666)\n\nBug Fix(es) and Enhancement(s):\n\n* bind 9.16 crash with SIGSEGV (JIRA:RHEL-273294)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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"text": "Important: This denial of service vulnerability affects BIND resolvers configured to use the `dns64` feature. A specially crafted malformed DNS64 response from an authoritative server can cause the `named` process to unexpectedly terminate, leading to service unavailability. Exploitation requires the `dns64` feature to be explicitly enabled in the resolver\u0027s configuration.",
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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},
"url": "https://access.redhat.com/errata/RHSA-2026:79113"
},
{
"category": "workaround",
"details": "To mitigate this issue, disable the `dns64` feature in the BIND resolver configuration if it is not required. This can be done by removing or commenting out the `dns64` configuration block in `named.conf` or related configuration files. After modifying the configuration, the BIND service (`named`) must be reloaded or restarted for the changes to take effect. This action may temporarily interrupt DNS resolution services.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via malformed DNS64 responses"
},
{
"cve": "CVE-2026-19667",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2026-09-16T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535435"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in `bind9`\u0027s `named` component. A remote attacker, by sending a specially crafted DNS negative answer of exactly 65536 bytes from an authoritative server, can cause a 16-bit length truncation. This results in a zero-byte negative cache entry. When `named` attempts to read this invalid entry, it will unexpectedly terminate, leading to a Denial of Service (DoS).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important denial of service flaw in BIND 9\u0027s `named` service. An attacker-controlled authoritative server can trigger a `named` abort by sending a precisely sized negative DNS answer. This vulnerability primarily affects BIND instances configured as recursive resolvers that query untrusted authoritative servers, leading to service disruption.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-19667"
},
{
"category": "external",
"summary": "RHBZ#2535435",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535435"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-19667",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-19667"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-19667",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19667"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.20.29",
"url": "https://downloads.isc.org/isc/bind9/9.20.29"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.21.26",
"url": "https://downloads.isc.org/isc/bind9/9.21.26"
},
{
"category": "external",
"summary": "https://kb.isc.org/docs/cve-2026-19667",
"url": "https://kb.isc.org/docs/cve-2026-19667"
}
],
"release_date": "2026-09-16T13:46:56.783000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-08T15:51:15+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"details": "To reduce the exposure to this vulnerability, configure BIND 9 to forward all DNS queries to trusted, non-vulnerable upstream DNS servers. This prevents the local `named` instance from directly interacting with potentially malicious authoritative servers.\n\nExample configuration in `named.conf`:\n```\noptions {\n forwarders { 192.0.2.1; 192.0.2.2; };\n forward only;\n};\n```\nReplace `192.0.2.1` and `192.0.2.2` with the IP addresses of your trusted upstream DNS servers. After modifying the configuration, restart the `named` service for the changes to take effect. This configuration may impact DNS resolution if the configured forwarders are unavailable or do not provide comprehensive resolution.",
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"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"details": "Important"
}
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"title": "bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling"
},
{
"cve": "CVE-2026-80274",
"cwe": {
"id": "CWE-617",
"name": "Reachable Assertion"
},
"discovery_date": "2026-09-16T14:31:05.646441+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535466"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in BIND. A remote attacker, by sending a specially crafted DNSSEC-signed authoritative zone reply, can trigger an unexpected program exit in the validating resolver. This can lead to a Denial of Service (DoS) for the affected BIND resolver.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "bind: BIND: Denial of Service via crafted DNSSEC reply",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important denial of service vulnerability in BIND resolvers. When DNSSEC validation is enabled, a specially crafted DNSSEC reply from an authoritative server can cause the BIND resolver to unexpectedly exit, leading to a disruption of DNS resolution services. This impacts the availability of DNS resolution on affected Red Hat systems configured with DNSSEC.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-80274"
},
{
"category": "external",
"summary": "RHBZ#2535466",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535466"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-80274",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-80274"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-80274",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80274"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.20.29",
"url": "https://downloads.isc.org/isc/bind9/9.20.29"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.21.26",
"url": "https://downloads.isc.org/isc/bind9/9.21.26"
},
{
"category": "external",
"summary": "https://kb.isc.org/docs/cve-2026-80274",
"url": "https://kb.isc.org/docs/cve-2026-80274"
}
],
"release_date": "2026-09-16T14:07:20.058000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-08T15:51:15+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via crafted DNSSEC reply"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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