Vulnerabilities affecting this package (0)
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Summary |
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This package is not known to be affected by vulnerabilities.
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Vulnerabilities fixed by this package (3)
| Vulnerability |
Summary |
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VCID-8ks2-kv5d-gkdc
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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).
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CVE-2019-19331
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VCID-fptj-ztkq-7uag
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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.
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CVE-2019-10191
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VCID-g2wb-bccm-ufhn
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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.
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CVE-2019-10190
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