High7.5Red Hat & Ubuntu Linux
Denial of Service via maliciously crafted DNSSEC-validated zone
CVE-2026-1519 Published Mar 25, 2026
CVE-2026-1519
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Denial of Service via maliciously crafted DNSSEC-validated zone. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): bind, bind9.16, bind9.18, rhcos, bind-main. Resolved in Red Hat advisory RHSA-2026:29863 — update the affected packages (`sudo dnf update`).
Affected versions
- bind-32:9.11.36-16.el8_10.7
- bind9.16-32:9.16.23-0.7.el8_6.10
- bind-32:9.11.36-8.el8_8.9
- bind-32:9.16.23-18.el9_4.11
- bind-32:9.18.33-4.el10_0.3
- bind-32:9.16.23-34.el9_7.2
- bind9.18-32:9.18.29-4.el9_6.3
- bind-32:9.18.33-10.el10_1.3
- bind9.16-32:9.16.23-0.14.el8_8.8
- bind9.18-32:9.18.29-5.el9_7.4
- bind-32:9.16.23-11.el9_2.10
- bind-32:9.11.36-3.el8_6.12
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:29863
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:29863 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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