CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.
CVE
CVE-2019-19331
Severity
HIGH
CVSS
7.5
EPSS
2.17%
Original NVD Description
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).
Related CVEs
Other vulnerabilities affecting the same vendor(s)