Vulnerability Details CVE-2023-0836
                An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.0
                        
                    
                    
                        
                            EPSS Ranking 0.2%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 7.5
                        
                    
                    
                 
                
                
                
                    
                
                
                    
                        Products affected by CVE-2023-0836
                        
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.1.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.10
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.11
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.12
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.13
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.14
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.15
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.16
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.17
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.18
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.19
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.20
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.21
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.22
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.23
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.24
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.25
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.26
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.2.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.10
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.11
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.12
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.13
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.14
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.15
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.16
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.17
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.18
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.19
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.20
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.21
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.4.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.10
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.11
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.5.9
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.4
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.5
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.7
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.6.8
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:a:haproxy:haproxy:2.7.0