{"id":"nlnetlabs-2257f97d8224","seq":212558,"kind":"release","title":"Unbound 1.23.1 released","url":"https://nlnetlabs.nl/news/2025/Jul/16/unbound-1.23.1-released/","permalink":"https://vulnpulse.app/items/nlnetlabs-2257f97d8224","summary":"We are pleased to announce the release of version 1.23.1 of the Unbound recursive DNS resolver. This security release fixes CVE-2025-5994. A multi-vendor cache poisoning vulnerability named \"Rebirthday Attack\" has been discovered in caching resolvers that support EDNS Client Subnet (ECS). Unbound is also vulnerable when compiled with …","severity":null,"techs":["unbound"],"cves":["CVE-2025-5994"],"tags":["security"],"source":{"id":"nlnetlabs","name":"NLnet Labs"},"published_at":"2025-07-15T22:00:00.000Z","fetched_at":"2026-10-22T11:26:42.716Z"}