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/pychm-0.8.6/chm/_chmlib.c Examining data/pychm-0.8.6/chm/chmlib_search.h Examining data/pychm-0.8.6/chm/search.c FINAL RESULTS: data/pychm-0.8.6/chm/search.c:186:9: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(word + pos, wrd_buf); data/pychm-0.8.6/chm/search.c:405:9: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(word + pos, wrd_buf); data/pychm-0.8.6/chm/search.c:178:7: [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(wrd_buf, buffer + i + 2, word_len - 1); data/pychm-0.8.6/chm/search.c:224:12: [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. unsigned char entry[TOPICS_ENTRY_LEN]; data/pychm-0.8.6/chm/search.c:225:12: [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. unsigned char combuf[COMMON_BUF_LEN]; data/pychm-0.8.6/chm/search.c:312:12: [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. unsigned char header[FTS_HEADER_LEN]; data/pychm-0.8.6/chm/search.c:397:7: [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(wrd_buf, buffer + i + 2, word_len - 1); data/pychm-0.8.6/chm/search.c:438:38: [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). if (!strncasecmp(word, text, strlen(text))) { data/pychm-0.8.6/chm/search.c:450:44: [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). } else if (strncasecmp(text, word, strlen(text)) < -1) data/pychm-0.8.6/chm/search.c:454:49: [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). } while (!whole_words && !strncmp(word, text, strlen(text)) && node_offset); ANALYSIS SUMMARY: Hits = 10 Lines analyzed = 873 in approximately 0.07 seconds (11963 lines/second) Physical Source Lines of Code (SLOC) = 680 Hits@level = [0] 0 [1] 3 [2] 5 [3] 0 [4] 2 [5] 0 Hits@level+ = [0+] 10 [1+] 10 [2+] 7 [3+] 2 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 14.7059 [1+] 14.7059 [2+] 10.2941 [3+] 2.94118 [4+] 2.94118 [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.