The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that trigger a memory allocation error.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.687
                        
                    
                    
                        
                            EPSS Ranking 98.6%