Red Hat Security AdvisoryRHSA-2026:72264
unbound security update
Released 2026-09-27 · Red Hat rating Critical · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream E4S (v.8.8) python3-unbound-1.16.2-5.el8_8.6, unbound-1.16.2-5.el8_8.6, unbound-devel-1.16.2-5.el8_8.6 +1
- Red Hat Enterprise Linux AppStream TUS (v.8.8) python3-unbound-1.16.2-5.el8_8.6, unbound-1.16.2-5.el8_8.6, unbound-devel-1.16.2-5.el8_8.6 +1
Fixes 1 record
Priority MEDIUM 49
In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service and possible remote code execution as a result of digesting DNSKEYs.
CVSS 4.0CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00962 · Published 2026-09-16 · Partial fix · 1.26.1 CWE-122
