Vulnerability Details CVE-2015-2326
                The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.006
                        
                    
                    
                        
                            EPSS Ranking 69.2%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 5.5
                        
                    
                    
                        
                            CVSS v2 Score 4.3