The good_client function in rquotad (rquota_svc.c) in Linux DiskQuota (aka quota) before 3.17 invokes the hosts_ctl function the first time without a host name, which might allow remote attackers to bypass TCP Wrappers rules in hosts.deny.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 57.0%