CVE-2023-50387

< 5.71

Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a den

7.5HIGH

CVE-2023-46317

< 5.7.0

Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.

7.5HIGH

CVE-2023-26249

< 5.6.0

Knot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a d

7.5HIGH

CVE-2022-40188

< 5.5.3

Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexit

7.5HIGH

CVE-2022-32983

<= 5.5.1

Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.

5.3MEDIUM

CVE-2021-40083

< 5.3.2

Knot Resolver before 5.3.2 is prone to an assertion failure, triggerable by a remote attacker in an edge case (NSEC3 with too many

7.5HIGH

CVE-2018-1110

< 2.3.0

A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages may cause denial of service.

7.5HIGH

CVE-2020-12667

< 5.1.1

Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an "NXNSA

7.5HIGH

CVE-2019-19331

< 4.3.0

knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS replies with very many res

7.5HIGH

CVE-2013-5661

< 1.3.0

Cache Poisoning issue exists in DNS Response Rate Limiting.

5.9MEDIUM

CVE-2019-10191

< 4.1.0

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DN

7.5HIGH

CVE-2019-10190

<= 3.2.0

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote a

7.5HIGH

CVE-2018-10920

< 2.4.1

Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.

6.8MEDIUM

CVE-2018-1000002

< 1.5.2

Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker in man-in-the

3.7LOW