Vulnerability Details CVE-2016-1908
                The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.009
                        
                    
                    
                        
                            EPSS Ranking 75.4%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 9.8
                        
                    
                    
                        
                            CVSS v2 Score 7.5
                        
                    
                 
                
                
                
                    
                
                
                    
                        Products affected by CVE-2016-1908
                        
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.2.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.2.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.2.27
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.2.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.5.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:1.5.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.1.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.1.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.2.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.3.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.5.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.5.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.9.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.9.9p2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.9p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:2.9p2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.0.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.0.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.0.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.0.2p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.0p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.2.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.2.2p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.2.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.2.3p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.3p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.4p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.5p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.6.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.6.1p2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.7.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.7.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.7.1p2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.8.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.8.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.9.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:3.9.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.0p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.1p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.2p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.3p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.3p2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.4p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.7p1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:4.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.8p2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:5.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:6.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:7.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:openbsd:openssh:7.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:debian:debian_linux:8.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_desktop:6.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:7.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:7.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:7.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:7.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:7.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_eus:7.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server:6.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server:7.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_workstation:6.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:redhat:enterprise_linux_workstation:7.0