A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.
4.8.1-1build14.8.3-24.8.3-2build14.8.3-34.8.3-44.8.3-4build24.8.3-4build34.9.4-24.9.7-14.9.7-1build25.0.0-25.0.0-25.0.1-15.0.2-15.0.2-1build13.4.5-1build23.4.6-23.4.6-33.4.7-13.4.7-24.0.0~alpha1-14.0.0~alpha2-24.0.0~alpha2-34.0.0~alpha2-3build14.0.0~alpha2-3ubuntu0.1~esm14.0.4-24.0.4-2build14.0.5-14.1.0-14.1.0-24.1.0-2build14.1.1-14.1.1-1ubuntu0.1~esm14.1.6-3build14.2.0-14.2.1-14.2.1-1build14.2.1-1build24.2.1-1ubuntu0.1~esm14.4.1-1build14.4.1-34.4.1-44.5.2-1build14.5.3-14.5.3-1ubuntu0.1~esm1Exploitability
AV:NAC:HPR:NUI:NScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H