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/libcrypt-rijndael-perl-1.15/rijndael.h
Examining data/libcrypt-rijndael-perl-1.15/ppport.h
Examining data/libcrypt-rijndael-perl-1.15/_rijndael.c

FINAL RESULTS:

data/libcrypt-rijndael-perl-1.15/ppport.h:7380:14:  [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.
    retval = vsnprintf(buffer, len, format, ap);
data/libcrypt-rijndael-perl-1.15/ppport.h:7382:14:  [4] (format) vsprintf:
  Potential format string problem (CWE-134). Make format string constant.
    retval = vsprintf(buffer, format, ap);
data/libcrypt-rijndael-perl-1.15/ppport.h:7411:5:  [4] (format) vsprintf:
  Potential format string problem (CWE-134). Make format string constant.
    vsprintf(buffer, pat, args);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:491:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:496:7:  [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(&output[RIJNDAEL_BLOCKSIZE*i], block, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:500:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:505:7:  [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(&output[RIJNDAEL_BLOCKSIZE*i], block, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:509:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:519:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:572:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:579:7:  [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(block, &input[RIJNDAEL_BLOCKSIZE*i], RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:585:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/_rijndael.c:595:5:  [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(block, iv, RIJNDAEL_BLOCKSIZE);
data/libcrypt-rijndael-perl-1.15/ppport.h:4110:42:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
#  define CopyD(s,d,n,t)                 memcpy((char*)(d),(char*)(s), (n) * sizeof(t))
data/libcrypt-rijndael-perl-1.15/ppport.h:7235:38:  [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.
                && (xdigit = strchr((char *) PL_hexdigit, s[1])))
data/libcrypt-rijndael-perl-1.15/ppport.h:7457:9:  [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(dst + used, src, copy);
data/libcrypt-rijndael-perl-1.15/ppport.h:7486:9:  [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(dst, src, copy);
data/libcrypt-rijndael-perl-1.15/ppport.h:7578:5:  [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 octbuf[32] = "%123456789ABCDF";
data/libcrypt-rijndael-perl-1.15/ppport.h:7648:13:  [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[2];
data/libcrypt-rijndael-perl-1.15/ppport.h:5631:24:  [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).
  sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
data/libcrypt-rijndael-perl-1.15/ppport.h:5639:59:  [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).
#  define sv_vcatpvf(sv, pat, args)  sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*))
data/libcrypt-rijndael-perl-1.15/ppport.h:5643:59:  [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).
#  define sv_vsetpvf(sv, pat, args)  sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*))
data/libcrypt-rijndael-perl-1.15/ppport.h:5663:24:  [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).
  sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcrypt-rijndael-perl-1.15/ppport.h:5691:24:  [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).
  sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcrypt-rijndael-perl-1.15/ppport.h:5712:27:  [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).
     sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));  \
data/libcrypt-rijndael-perl-1.15/ppport.h:5734:24:  [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).
  sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcrypt-rijndael-perl-1.15/ppport.h:5762:24:  [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).
  sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcrypt-rijndael-perl-1.15/ppport.h:5783:27:  [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).
     sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));  \
data/libcrypt-rijndael-perl-1.15/ppport.h:5837:65:  [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).
#  define HvNAMELEN_get(hv)              (HvNAME_get(hv) ? (I32)strlen(HvNAME_get(hv)) : 0)
data/libcrypt-rijndael-perl-1.15/ppport.h:6829:22:  [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).
        STRLEN len = strlen(radix);
data/libcrypt-rijndael-perl-1.15/ppport.h:7413:12:  [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 strlen(buffer);
data/libcrypt-rijndael-perl-1.15/ppport.h:7453:12:  [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).
    used = strlen(dst);
data/libcrypt-rijndael-perl-1.15/ppport.h:7454:14:  [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).
    length = strlen(src);
data/libcrypt-rijndael-perl-1.15/ppport.h:7483:14:  [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).
    length = strlen(src);

ANALYSIS SUMMARY:

Hits = 34
Lines analyzed = 8481 in approximately 0.25 seconds (34569 lines/second)
Physical Source Lines of Code (SLOC) = 3881
Hits@level = [0]   2 [1]  15 [2]  16 [3]   0 [4]   3 [5]   0
Hits@level+ = [0+]  36 [1+]  34 [2+]  19 [3+]   3 [4+]   3 [5+]   0
Hits/KSLOC@level+ = [0+] 9.27596 [1+] 8.76063 [2+] 4.89565 [3+] 0.772997 [4+] 0.772997 [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.