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/libjcode-pm-perl-2.06/Unicode/euc2uni.h Examining data/libjcode-pm-perl-2.06/Unicode/uni.c Examining data/libjcode-pm-perl-2.06/Unicode/uni2euc.h FINAL RESULTS: data/libjcode-pm-perl-2.06/Unicode/uni.c:231:7: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). IN = fopen(argv[1], "r"); data/libjcode-pm-perl-2.06/Unicode/uni.c:31:2: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy((char *)dst, offset, 4); data/libjcode-pm-perl-2.06/Unicode/uni.c:32:8: [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). len = strlen(offset); data/libjcode-pm-perl-2.06/Unicode/uni.c:213:2: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy((char *)dst, offset, 4); data/libjcode-pm-perl-2.06/Unicode/uni.c:214:8: [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). len = strlen(offset); ANALYSIS SUMMARY: Hits = 5 Lines analyzed = 11063 in approximately 0.66 seconds (16717 lines/second) Physical Source Lines of Code (SLOC) = 11032 Hits@level = [0] 1 [1] 4 [2] 1 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 6 [1+] 5 [2+] 1 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 0.543872 [1+] 0.453227 [2+] 0.0906454 [3+] 0 [4+] 0 [5+] 0 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.