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/ruby-strptime-0.2.5/ext/strptime/ruby_time.c Examining data/ruby-strptime-0.2.5/ext/strptime/strftime.c Examining data/ruby-strptime-0.2.5/ext/strptime/strptime.c Examining data/ruby-strptime-0.2.5/ext/strptime/strptime.h FINAL RESULTS: data/ruby-strptime-0.2.5/ext/strptime/strftime.c:159:2: [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(p, mon, 3); data/ruby-strptime-0.2.5/ext/strptime/strftime.c:204:2: [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(p, RSTRING_PTR(fmt) + off, len); data/ruby-strptime-0.2.5/ext/strptime/strptime.c:133:17: [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). size_t l = strlen(month_names[i]); ANALYSIS SUMMARY: Hits = 3 Lines analyzed = 1975 in approximately 0.06 seconds (32065 lines/second) Physical Source Lines of Code (SLOC) = 1716 Hits@level = [0] 2 [1] 1 [2] 2 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 5 [1+] 3 [2+] 2 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 2.91375 [1+] 1.74825 [2+] 1.1655 [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.