The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Security Fix: dnsmasq: bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator dnsmasq: bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.