The ProcGetReservedColormapEntries function in the TOG-CUP extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to read the contents of arbitrary memory locations via a request containing a 32-bit value that is improperly used as an array index.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.03
                        
                    
                    
                        
                            EPSS Ranking 86.0%