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nlnetlabs vulnerabilities and exploits
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7.5
CVSSv3
CVE-2020-12662
Unbound prior to 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
Nlnetlabs Unbound
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Fedoraproject Fedora 31
Fedoraproject Fedora 32
7.5
CVSSv3
CVE-2020-12663
Unbound prior to 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.
Nlnetlabs Unbound
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Fedoraproject Fedora 31
Fedoraproject Fedora 32
7.3
CVSSv3
CVE-2019-18934
Unbound 1.6.4 up to and including 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled a...
Nlnetlabs Unbound
Fedoraproject Fedora 31
Opensuse Leap 15.1
Opensuse Leap 15.2
5.9
CVSSv3
CVE-2013-5661
Cache Poisoning issue exists in DNS Response Rate Limiting.
Isc Bind
Nlnetlabs Nsd 3.2.15
Nic Knot Resolver
Redhat Enterprise Linux 6.0
Redhat Enterprise Linux 7.0
7.5
CVSSv3
CVE-2019-16866
Unbound prior to 1.9.4 accesses uninitialized memory, which allows remote malicious users to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.
Nlnetlabs Unbound
Canonical Ubuntu Linux 19.04
9.8
CVSSv3
CVE-2019-13207
nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.
Nlnetlabs Name Server Daemon 4.2.0
5.3
CVSSv3
CVE-2017-15105
A flaw was found in the way unbound prior to 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.
Nlnetlabs Unbound
Debian Debian Linux 8.0
Debian Debian Linux 7.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 17.10
1 Github repository
9.8
CVSSv3
CVE-2017-1000231
A double-free vulnerability in parse.c in ldns 1.7.0 have unspecified impact and attack vectors.
Nlnetlabs Ldns 1.7.0
9.8
CVSSv3
CVE-2017-1000232
A double-free vulnerability in str2host.c in ldns 1.7.0 have unspecified impact and attack vectors.
Nlnetlabs Ldns 1.7.0
7.5
CVSSv3
CVE-2016-6173
NSD prior to 4.1.11 allows remote DNS master servers to cause a denial of service (/tmp disk consumption and slave server crash) via a zone transfer with unlimited data.
Nlnetlabs Nsd
CVSSv3
CVSSv2
CVSSv3
VMScore
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