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One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.",7.5,"v3.1","High",0.99988,{"cveId":152,"description":153,"publishedDate":154,"cvssScore":155,"cvssVersion":148,"severity":156,"isKev":16,"epssScore":157},"CVE-2013-5661","Cache Poisoning issue exists in DNS Response Rate Limiting.","2019-11-05",5.9,"Medium",0.0345,{"cveId":159,"description":160,"publishedDate":161,"cvssScore":162,"cvssVersion":148,"severity":156,"isKev":16,"epssScore":163},"CVE-2018-10920","Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.","2018-08-02",6.8,0.03239,{"cveId":165,"description":166,"publishedDate":167,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":168},"CVE-2020-12667","Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records.","2020-05-19",0.02612,{"cveId":170,"description":171,"publishedDate":172,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":173},"CVE-2019-19331","knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS replies with very many resource records might be processed very inefficiently, in extreme cases taking even several CPU seconds for each such uncached message. For example, a few thousand A records can be squashed into one DNS message (limit is 64kB).","2019-12-16",0.02107,{"cveId":175,"description":176,"publishedDate":177,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":178},"CVE-2019-10190","A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.","2019-07-16",0.01993,{"cveId":180,"description":181,"publishedDate":182,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":183},"CVE-2022-40188","Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexity. During an attack, an authoritative server must return large NS sets or address sets.","2022-09-23",0.01946,{"cveId":185,"description":186,"publishedDate":177,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":187},"CVE-2019-10191","A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.",0.01932,{"cveId":189,"description":190,"publishedDate":191,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":192},"CVE-2021-40083","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 iterations used for a positive wildcard proof).","2021-08-25",0.01421,{"cveId":194,"description":195,"publishedDate":196,"cvssScore":147,"cvssVersion":148,"severity":149,"isKev":16,"epssScore":197},"CVE-2018-1110","A flaw was found in knot-resolver before version 2.3.0. 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