Nlnet Labs Nsd

5 CVEs affecting Nlnet Labs Nsd. Latest disclosed: 2026-06-25. Critical: 0, High: 4.

Top CVEs affecting Nlnet Labs Nsd
CVESeverityScorePublishedSummary
CVE-2026-12244High8.82026-06-25If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with…
CVE-2026-12246High8.12026-06-25NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack w…
CVE-2026-12490High7.52026-06-25When a provide-xfr is given with a tls-auth-name, a secondary requesting a transfer should provide a client certificate with that name. However, no client cert…
CVE-2026-12245High7.52026-06-25NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivi…
CVE-2020-28935Medium5.52020-12-07NLnet Labs Unbound, up to and including version 1.12.0, and NLnet Labs NSD, up to and including version 4.3.3, contain a local vulnerability that would allow f…