ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.579
                        
                    
                    
                        
                            EPSS Ranking 98.1%