CLSA-2026-1768411996 unbound: Fix of CVE-2025-5994

CVE-2025-5994: fix cache poisoning vulnerability by segregating outgoing queries to accommodate for different outgoing ECS information...

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...