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/pycifrw-4.4/src/lib/lex.yy.c Examining data/pycifrw-4.4/src/lib/py_star_scan.c Examining data/pycifrw-4.4/src/lib/star_scanner.h FINAL RESULTS: data/pycifrw-4.4/src/lib/lex.yy.c:568:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(buf,input_string+string_pos,max_size);\ data/pycifrw-4.4/src/lib/lex.yy.c:572:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(buf,input_string+string_pos,in_string_len - string_pos);\ data/pycifrw-4.4/src/lib/lex.yy.c:682:14: [1] (buffer) getc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ data/pycifrw-4.4/src/lib/lex.yy.c:958:47: [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). int i = yyleng - strlen(p); data/pycifrw-4.4/src/lib/lex.yy.c:986:47: [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). int i = yyleng - strlen(p); data/pycifrw-4.4/src/lib/lex.yy.c:1778:29: [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). return yy_scan_bytes(yystr,strlen(yystr) ); data/pycifrw-4.4/src/lib/py_star_scan.c:74:17: [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). in_string_len = strlen(input_string); data/pycifrw-4.4/src/lib/py_star_scan.c:127:1: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(save_str,yytext,yyleng+1); ANALYSIS SUMMARY: Hits = 8 Lines analyzed = 2276 in approximately 0.10 seconds (22365 lines/second) Physical Source Lines of Code (SLOC) = 1468 Hits@level = [0] 3 [1] 8 [2] 0 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 11 [1+] 8 [2+] 0 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 7.49319 [1+] 5.44959 [2+] 0 [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.