GNUMail 1.1.2 and earlier does not properly use the --status-fd argument when invoking GnuPG, which prevents GNUMail from visually distinguishing between signed and unsigned portions of OpenPGP messages with multiple components, which allows remote attackers to forge the contents of a message without detection.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.012
                        
                    
                    
                        
                            EPSS Ranking 78.6%