nlnetlabs Vulnerability Advisory Catalog

Total 93 security vulnerabilities recorded for nlnetlabs software and firmware.

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Component: unbound

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout > disc...

📅 2026-07-22
CVSS 5.9 Dossier →
Component: unbound

In NLnet Labs Unbound up to and including version 1.25.1, when the validator builds the canonical RDATA form for an RRSIG-covered PX/RP/MINFO/SOA RRse...

📅 2026-07-22
CVSS 4.8 Dossier →
Component: unbound

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a remote unauthenticated client can trigger a libngtcp2 assertion (if compiled with assertion...

📅 2026-07-22
CVSS 5.9 Dossier →
Component: unbound

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when the 'dnscrypt:' clause lists more 'dnscrypt-provider-cert:' files than there are matching...

📅 2026-07-22
CVSS 5.9 Dossier →
Component: unbound

In NLnet Labs Unbound 1.23.0 up to and including 1.25.1, when 'dns-error-reporting: yes' is set, the EDNS Report-Channel option (code 18) from the las...

📅 2026-07-22
CVSS 7.5 Dossier →
Component: unbound

In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: <net> redirect' /'response-ip-...

📅 2026-07-22
CVSS 5.9 Dossier →
Component: unbound

In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, the 'view_local_data' and 'view_local_datas' commands of 'unbound-control' create a bare local...

📅 2026-07-22
CVSS 3.1 Dossier →
Component: unbound

In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' interface with 'answer-cookie: yes', the RFC ...

📅 2026-07-22
CVSS 3.7 Dossier →
Component: unbound

In NLnet Labs Unbound 1.25.0 up to and including 1.25.1, a fix that makes the 'respip' and 'dns64' modules work together, creates a shallow copy of th...

📅 2026-07-22
CVSS 5.9 Dossier →
CVE-2026-50252 CRITICAL
Component: unbound

In NLnet Labs Unbound 1.4.22 up to and including 1.25.1, UDP source port is randomized and intended to serve as a secret value that increases the entr...

📅 2026-07-22
CVSS 9.3 Dossier →
Component: unbound

In NLnet Labs Unbound up to and including version 1.25.1, when 'unwanted-reply-threshold' is enabled (set to any value greater than zero), glue record...

📅 2026-07-22
CVSS 5.3 Dossier →
Component: unbound

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when an auth/rpz zone has a configured primary hostname that resolves to BOGUS A/AAAA, it is s...

📅 2026-07-22
CVSS 6.5 Dossier →
Component: unbound

In NLnet Labs Unbound 1.6.2 up to and including 1.25.1, when Unbound is configured with the 'respip' module in front of the validator together with a ...

📅 2026-07-22
CVSS 3.7 Dossier →
Component: unbound

In NLnet Labs Unbound 1.15.0 up to and including 1.25.1, the TLS server name used for DNS-over-TLS (DoT) forwarded queries is tied to a struct's ('ser...

📅 2026-07-22
CVSS 5.9 Dossier →
Component: unbound

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a single client query for a deeply nested name under a DNSSEC-signed parent can cause Unbound...

📅 2026-07-22
CVSS 5.3 Dossier →
Component: unbound

In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secu...

📅 2026-07-22
CVSS 3.7 Dossier →
Component: unbound

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, insufficient validation of the RRSIG.Labels field combined with premature cache writes during ...

📅 2026-07-22
CVSS 7.5 Dossier →
Component: unbound

In NLnet Labs Unbound 1.13.2 up to and including 1.25.1, stub or forward zones where the name is below an intermediate labed below a DNSSEC signed zon...

📅 2026-07-22
CVSS 3.7 Dossier →
Component: unbound

With NLnet Labs Unbound up to and including version 1.25.1, applications using libunbound and configured with 'unwanted-reply-threshold', could eventu...

📅 2026-07-22
CVSS 5.9 Dossier →
Component: unbound

In NLnet Labs Unbound 1.16.2 up to and including 1.25.1, a similar vulnerability as with CVE-2026-40622 in the 'ghost domain names' family of attacks ...

📅 2026-07-22
CVSS 3.7 Dossier →
Component: unbound

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC (DoQ) queries are not accounted properly by Unbound resulting...

📅 2026-07-22
CVSS 3.7 Dossier →
Component: unbound

In Unbound 1.9.0 up to and including 1.25.1, when a DNSCrypt query is received over TCP, the routine that encrypts the reply in place fails to bound t...

📅 2026-07-22
CVSS 7.5 Dossier →
Component: unbound

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, when downstream DNS-over-QUIC (DoQ) is enabled, the first two bidirectional streams on a new ...

📅 2026-07-22
CVSS 7.5 Dossier →
Component: nsd

When 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 cl...

📅 2026-06-25
CVSS 7.5 Dossier →
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