CVE:CVE-2019-19331
CNNVD:CNNVD-201912-704
Knot Resolver是一款缓存DNS解析器实现，它包括解析器库和守护程序。
Knot Resolver 4.3.0之前版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。
solution:Upgrade nic knot_resolver to a higher version than 4.3.0,and avoid the version (,4.3.0); Upgrade debian debian_linux to a higher version than 10.0,and avoid the version 10.0