Red Hat Security AdvisoryRHSA-2025:12416
unbound security update
Released 2025-07-31 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat CodeReady Linux Builder EUS (v.9.4) unbound-devel-1.16.2-8.el9_4.2
- Red Hat Enterprise Linux AppStream EUS (v.9.4) python3-unbound-1.16.2-8.el9_4.2, unbound-1.16.2-8.el9_4.2, unbound-libs-1.16.2-8.el9_4.2
Fixes 1 record
Priority MEDIUM 43
A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet (ECS).
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00218 · Published 2025-07-16 · Partial fix · 1.23.0 CWE-349