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-unaccent-perl-1.08/unac.h
Examining data/libtext-unaccent-perl-1.08/unac.c

FINAL RESULTS:

data/libtext-unaccent-perl-1.08/unac.c:13622:6:  [4] (format) vsnprintf:
  If format strings can be influenced by an attacker, they can be exploited,
  and note that sprintf variations do not always \0-terminate (CWE-134). Use
  a constant for the format specification.
  if(vsnprintf(unac_message_buffer, UNAC_MAXIMUM_MESSAGE_SIZE, message, args) < 0) {
data/libtext-unaccent-perl-1.08/unac.c:12929:10:  [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 unac_positions[UNAC_BLOCK_COUNT][UNAC_BLOCK_SIZE + 1] = {
data/libtext-unaccent-perl-1.08/unac.c:13619:3:  [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.
  char unac_message_buffer[UNAC_MAXIMUM_MESSAGE_SIZE+1] = { '\0' };
data/libtext-unaccent-perl-1.08/unac.c:13623:5:  [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.
    char tmp[UNAC_MAXIMUM_MESSAGE_SIZE];
data/libtext-unaccent-perl-1.08/unac.c:13624:5:  [2] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf. Risk is low because the source has a constant maximum length.
    sprintf(tmp, "[message larger than %d, truncated]", UNAC_MAXIMUM_MESSAGE_SIZE);
data/libtext-unaccent-perl-1.08/unac.h:146:17:  [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.
extern unsigned char unac_positions[UNAC_BLOCK_COUNT][UNAC_BLOCK_SIZE + 1];

ANALYSIS SUMMARY:

Hits = 6
Lines analyzed = 14278 in approximately 0.57 seconds (25163 lines/second)
Physical Source Lines of Code (SLOC) = 1276
Hits@level = [0]   1 [1]   0 [2]   5 [3]   0 [4]   1 [5]   0
Hits@level+ = [0+]   7 [1+]   6 [2+]   6 [3+]   1 [4+]   1 [5+]   0
Hits/KSLOC@level+ = [0+] 5.48589 [1+] 4.70219 [2+] 4.70219 [3+] 0.783699 [4+] 0.783699 [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.