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/octave-database-2.4.4/src/error-helpers.cc
Examining data/octave-database-2.4.4/src/pq_exec.cc
Examining data/octave-database-2.4.4/src/__pq_internal_exit__.cc
Examining data/octave-database-2.4.4/src/wrap_endian.h
Examining data/octave-database-2.4.4/src/oct-alt-includes.h
Examining data/octave-database-2.4.4/src/pq_connection.cc
Examining data/octave-database-2.4.4/src/var2bytea.cc
Examining data/octave-database-2.4.4/src/command.h
Examining data/octave-database-2.4.4/src/undef-ah-octave.h
Examining data/octave-database-2.4.4/src/pq_update_types.cc
Examining data/octave-database-2.4.4/src/pkglock.cc
Examining data/octave-database-2.4.4/src/command.cc
Examining data/octave-database-2.4.4/src/pq_lo.cc
Examining data/octave-database-2.4.4/src/pq_conninfo.cc
Examining data/octave-database-2.4.4/src/__pq_connect__.cc
Examining data/octave-database-2.4.4/src/pq_connection.h
Examining data/octave-database-2.4.4/src/pq_close.cc
Examining data/octave-database-2.4.4/src/converters_arr_comp.cc
Examining data/octave-database-2.4.4/src/converters.h
Examining data/octave-database-2.4.4/src/converters.cc
Examining data/octave-database-2.4.4/src/error-helpers.h
Examining data/octave-database-2.4.4/src/bytea2var.cc

FINAL RESULTS:

data/octave-database-2.4.4/src/pq_lo.cc:89:15:  [4] (shell) popen:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
  if (! (fp = popen (cmd, "r")))
data/octave-database-2.4.4/src/pq_lo.cc:223:15:  [4] (shell) popen:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
  if (! (fp = popen (cmd, "w")))
data/octave-database-2.4.4/src/bytea2var.cc:77:7:  [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 magic[magic_len+1];
data/octave-database-2.4.4/src/command.cc:74:3:  [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 *vals [npars];
data/octave-database-2.4.4/src/command.cc:534:3:  [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 buff [OCT_PQ_READSIZE];
data/octave-database-2.4.4/src/command.cc:677:7:  [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 header [COPY_HEADER_SIZE];
data/octave-database-2.4.4/src/command.cc:679:7:  [2] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused). Risk is low because the source is a constant string.
      strcpy (header, "PGCOPY\n\377\r\n\0");
data/octave-database-2.4.4/src/command.cc:681:7:  [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 (&header[11], &tpu32, 4);
data/octave-database-2.4.4/src/command.cc:683:7:  [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 trailer [2];
data/octave-database-2.4.4/src/command.cc:685:7:  [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 (&trailer, &tp16, 2);
data/octave-database-2.4.4/src/command.h:107:26:  [2] (integer) atoi:
  Unless checked, the resulting number can exceed the expected range
  (CWE-190). If source untrusted, check both minimum and maximum, even if the
  input had no minus sign (large numbers can roll over into negative number;
  consider saving to an unsigned value if that is intended).
    return octave_value (atoi (c));
data/octave-database-2.4.4/src/converters.cc:342:3:  [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 (m.fortran_vec (), c, nb);
data/octave-database-2.4.4/src/converters.cc:374:3:  [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 (&(val[csize]), b.fortran_vec (), nl);
data/octave-database-2.4.4/src/converters.cc:437:3:  [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 (&(val[csize]), s.data (), l);
data/octave-database-2.4.4/src/converters.cc:1664:7:  [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 (a.fortran_vec (), c, nb);
data/octave-database-2.4.4/src/converters.cc:1739:7:  [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 (&(val[csize]), a.fortran_vec (), 4);
data/octave-database-2.4.4/src/converters.cc:1896:3:  [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 (a.fortran_vec (), c, 6);
data/octave-database-2.4.4/src/converters.cc:1932:3:  [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 (&(val[csize]), a.fortran_vec (), 6);
data/octave-database-2.4.4/src/converters.cc:1971:3:  [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 (a.fortran_vec (), c, nbytes);
data/octave-database-2.4.4/src/converters.cc:2029:3:  [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 (&(val[csize]), a.fortran_vec (), nbytes);
data/octave-database-2.4.4/src/converters.cc:2079:3:  [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 (m.fortran_vec (), c, 16);
data/octave-database-2.4.4/src/converters.cc:2115:3:  [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 (&(val[csize]), b.fortran_vec (), 16);
data/octave-database-2.4.4/src/converters.cc:2178:3:  [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 (&(val[csize]), s.data (), l);
data/octave-database-2.4.4/src/pq_lo.cc:106:3:  [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 buff [OCT_PQ_BUFSIZE];
data/octave-database-2.4.4/src/pq_lo.cc:240:3:  [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 buff [OCT_PQ_BUFSIZE];
data/octave-database-2.4.4/src/var2bytea.cc:110:7:  [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 (m.fortran_vec (), s.data (), s.length ());
data/octave-database-2.4.4/src/bytea2var.cc:78:10:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
      is.read (magic, magic_len);
data/octave-database-2.4.4/src/bytea2var.cc:93:10:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
      is.read (&tmp, 1);
data/octave-database-2.4.4/src/bytea2var.cc:105:16:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
      if (! is.read (reinterpret_cast<char *> (&len), 4))
data/octave-database-2.4.4/src/bytea2var.cc:117:18:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
        if (! is.read (buf, len))
data/octave-database-2.4.4/src/command.cc:565:16:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
          istr.read (buff, OCT_PQ_READSIZE);

ANALYSIS SUMMARY:

Hits = 31
Lines analyzed = 6950 in approximately 0.16 seconds (42428 lines/second)
Physical Source Lines of Code (SLOC) = 4800
Hits@level = [0]   5 [1]   5 [2]  24 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]  36 [1+]  31 [2+]  26 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 7.5 [1+] 6.45833 [2+] 5.41667 [3+] 0.416667 [4+] 0.416667 [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.