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/libtext-mecab-perl-0.20016/xs/text-mecab-clone.c
Examining data/libtext-mecab-perl-0.20016/xs/text-mecab-node.c
Examining data/libtext-mecab-perl-0.20016/xs/text-mecab.c
Examining data/libtext-mecab-perl-0.20016/xs/text-mecab.h

FINAL RESULTS:

data/libtext-mecab-perl-0.20016/xs/text-mecab-node.c:209:41:  [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).
    Newz(1234, cloned->actual->feature, strlen(node->feature), char);
data/libtext-mecab-perl-0.20016/xs/text-mecab-node.c:210:50:  [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).
    Copy(node->feature, cloned->actual->feature, strlen(node->feature), char);
data/libtext-mecab-perl-0.20016/xs/text-mecab.c:59:23:  [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 len = strlen(argv[i]) + 1;

ANALYSIS SUMMARY:

Hits = 3
Lines analyzed = 717 in approximately 0.04 seconds (20137 lines/second)
Physical Source Lines of Code (SLOC) = 579
Hits@level = [0]   0 [1]   3 [2]   0 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]   3 [1+]   3 [2+]   0 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 5.18135 [1+] 5.18135 [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.