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/python-jellyfish-0.8.2/cjellyfish/porter.c Examining data/python-jellyfish-0.8.2/cjellyfish/nysiis.c Examining data/python-jellyfish-0.8.2/cjellyfish/levenshtein.c Examining data/python-jellyfish-0.8.2/cjellyfish/metaphone.c Examining data/python-jellyfish-0.8.2/cjellyfish/soundex.c Examining data/python-jellyfish-0.8.2/cjellyfish/hamming.c Examining data/python-jellyfish-0.8.2/cjellyfish/mra.c Examining data/python-jellyfish-0.8.2/cjellyfish/damerau_levenshtein.c Examining data/python-jellyfish-0.8.2/cjellyfish/jellyfishmodule.c Examining data/python-jellyfish-0.8.2/cjellyfish/jaro.c Examining data/python-jellyfish-0.8.2/cjellyfish/jellyfish.h FINAL RESULTS: data/python-jellyfish-0.8.2/cjellyfish/jellyfishmodule.c:312:5: [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(result, str, len * sizeof(Py_UNICODE)); data/python-jellyfish-0.8.2/cjellyfish/nysiis.c:18:5: [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(copy, str, (len+1) * sizeof(JFISH_UNICODE)); data/python-jellyfish-0.8.2/cjellyfish/metaphone.c:17:27: [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). char *result = calloc(strlen(str) * 2 + 1, sizeof(char)); ANALYSIS SUMMARY: Hits = 3 Lines analyzed = 1858 in approximately 0.08 seconds (23234 lines/second) Physical Source Lines of Code (SLOC) = 1364 Hits@level = [0] 0 [1] 1 [2] 2 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 3 [1+] 3 [2+] 2 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 2.19941 [1+] 2.19941 [2+] 1.46628 [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.