Multiple unspecified vulnerabilities in Dovecot before 1.0beta3 allow remote attackers to cause a denial of service (application crash or hang) via unspecified vectors involving (1) "potential hangs" in the APPEND command and "potential crashes" in (2) dovecot-auth and (3) imap/pop3-login.  NOTE: vector 2 might be related to a double free vulnerability.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.009
                        
                    
                    
                        
                            EPSS Ranking 75.2%