CVE-2020-37127 affects Dnsmasq-utils version 2.79-1, containing a buffer overflow vulnerability in the dhcp_release utility. Attackers can cause denial of service by supplying excessive input longer than 16 characters. The vulnerability allows attackers to trigger a core dump and terminate the dhcp_release process. This is a straightforward buffer overflow attack vector that can disrupt network services. The vulnerability has been documented with proof-of-concept exploits available.