A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
Exploitability
AV:NAC:HPR:NUI:NScope
S:UImpact
C:HI:HA:L7.7/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:LOther