unbound: Unbound Cache poisoning

A cache poisoning flaw was found in Unbound. Resolvers supporting EDNS Client Subnet ECS must segregate outgoing queries to accommodate different outgoing ECS information. This issue reopens resolvers to a birthday paradox attack, known as the Rebirthday Attack, which attempts to match the DNS...

Important: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound Cache poisoning CVE-2025-5994 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE...