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rldns is an open source lightweight DNS server for linux, netbsd, freebsd, and openbsd. Runs on x86 and x86_64. Latest version : rldns-1.4 - released on Feb 2026

CVE History

CVEPublishedCVSS v3CVSS v2
7.5 HIGH

rldns is an open source DNS server. Version 1.3 has a heap-based out-of-bounds read that leads to denial of service. Version 1.4 contains a patch for the issue.