Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/mdns-scan-0.5/query.h Examining data/mdns-scan-0.5/util.h Examining data/mdns-scan-0.5/util.c Examining data/mdns-scan-0.5/dns.c Examining data/mdns-scan-0.5/dns.h Examining data/mdns-scan-0.5/mdns-scan.c Examining data/mdns-scan-0.5/query.c FINAL RESULTS: data/mdns-scan-0.5/dns.c:73:9: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(d+1, name, n); data/mdns-scan-0.5/dns.c:209:13: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(ret_name, p->data + index, n); data/mdns-scan-0.5/dns.c:273:5: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(ret_data, p->data + p->rindex, l); data/mdns-scan-0.5/mdns-scan.c:126:9: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char pname[256]; data/mdns-scan-0.5/mdns-scan.c:145:13: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char service[256]; data/mdns-scan-0.5/mdns-scan.c:156:13: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char service[256]; data/mdns-scan-0.5/util.c:215:10: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). al = strlen(a); data/mdns-scan-0.5/util.c:216:10: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). bl = strlen(b); data/mdns-scan-0.5/util.c:233:9: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). k = strlen(a); data/mdns-scan-0.5/util.c:234:9: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). l = strlen(b); ANALYSIS SUMMARY: Hits = 10 Lines analyzed = 1217 in approximately 0.04 seconds (30999 lines/second) Physical Source Lines of Code (SLOC) = 782 Hits@level = [0] 20 [1] 4 [2] 6 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 30 [1+] 10 [2+] 6 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 38.3632 [1+] 12.7877 [2+] 7.67263 [3+] 0 [4+] 0 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.