Red Hat Security Advisory: bind9.16 security update
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): * bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519) 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.
AI Analysis
Technical Summary
CVE-2026-1519 is a denial of service vulnerability in BIND, the DNS server implementation used in Red Hat Enterprise Linux 8.4. The flaw is triggered by specially crafted DNSSEC-validated zones, which can cause the DNS server (named) to become unavailable. This vulnerability is tracked under CWE-770 (Allocation of Resources Without Limits or Throttling). Red Hat Product Security has issued an advisory (RHSA-2026:16064) and released updated BIND packages to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service condition on affected systems running BIND by processing malicious DNSSEC-validated zones. This may disrupt DNS resolution services, impacting availability. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated BIND packages for Red Hat Enterprise Linux 8.4 to fix this vulnerability. Users should apply the security update as detailed in Red Hat advisory RHSA-2026:16064 and the referenced article https://access.redhat.com/articles/11258. Since this is a server-side software update, applying the vendor-provided patch is the recommended remediation. Patch status is confirmed as available.
Red Hat Security Advisory: bind9.16 security update
Description
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): * bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519) 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.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-1519 is a denial of service vulnerability in BIND, the DNS server implementation used in Red Hat Enterprise Linux 8.4. The flaw is triggered by specially crafted DNSSEC-validated zones, which can cause the DNS server (named) to become unavailable. This vulnerability is tracked under CWE-770 (Allocation of Resources Without Limits or Throttling). Red Hat Product Security has issued an advisory (RHSA-2026:16064) and released updated BIND packages to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service condition on affected systems running BIND by processing malicious DNSSEC-validated zones. This may disrupt DNS resolution services, impacting availability. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated BIND packages for Red Hat Enterprise Linux 8.4 to fix this vulnerability. Users should apply the security update as detailed in Red Hat advisory RHSA-2026:16064 and the referenced article https://access.redhat.com/articles/11258. Since this is a server-side software update, applying the vendor-provided patch is the recommended remediation. Patch status is confirmed as available.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:16064
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19feb4e29bf47b500fc2f1
Added to database: 5/29/2026, 9:01:40 PM
Last enriched: 5/29/2026, 9:04:30 PM
Last updated: 5/31/2026, 4:59:04 AM
Views: 2
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