A critical flaw in CoreDNS’s etcd plugin can let attackers pin DNS records in caches for years, effectively blocking legitimate updates. This vulnerability, tracked as CVE-2025-58063, stems from incorrect handling of etcd lease IDs. It affects every CoreDNS release from version 1.2.0 onward and was patched in version 1.12.4, as per a report by Researcher […]

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