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/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c

FINAL RESULTS:

data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:214:9:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
        sprintf(message, "FITSIO status = %d: %s\n", status, status_str);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:450:9:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
        sprintf(repr, "fits file: %s", filename);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:206:5:  [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 status_str[FLEN_STATUS], errmsg[FLEN_ERRMSG];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:207:5:  [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 message[1024];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:442:9:  [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 filename[FLEN_FILENAME];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:443:9:  [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 repr[2056];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:462:9:  [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 filename[FLEN_FILENAME];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:617:5:  [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 extname[FLEN_VALUE];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:618:5:  [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 hduname[FLEN_VALUE];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:707:9:  [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 comptype[20];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:917:5:  [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 extname[FLEN_VALUE];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:952:5:  [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 mess[255];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1018:13:  [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(mess,"Unsupported numpy table datatype %d", npy_dtype);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1031:5:  [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 mess[255];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1127:13:  [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(mess,"Unsupported numpy image datatype %d", npy_dtype);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1660:5:  [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 keyname[20];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1690:13:  [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(keyname, "TDIM%d", colnum);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1849:9:  [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 keyname[20];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1851:9:  [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(keyname, "TDIM%d", colnum);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2445:5:  [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 card[FLEN_CARD];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2730:5:  [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 card[FLEN_CARD];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2741:9:  [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(card, "CONTINUE");
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4235:5:  [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 keyname[FLEN_KEYWORD];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4236:5:  [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 value[FLEN_VALUE];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4237:5:  [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 comment[FLEN_COMMENT];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4238:5:  [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 card[FLEN_CARD];
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4569:5:  [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 dtype[2]={0};
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4588:5:  [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 dtype[2]={0};
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4619:5:  [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 name[FLEN_VALUE]={0};
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4620:5:  [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 value[FLEN_VALUE]={0};
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4621:5:  [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 comment[FLEN_COMMENT]={0};
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4627:5:  [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 dtype[2]={0};
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:71:12:  [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).
    size = strlen(str);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:94:12:  [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).
    size = strlen(str);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:216:18:  [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).
        nleft -= strlen(status_str)+1;
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:219:13:  [1] (buffer) strncat:
  Easily used incorrectly (e.g., incorrectly computing the correct maximum
  size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
  or automatically resizing strings.
            strncat(message, errmsg, nleft-1);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:220:22:  [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).
            nleft -= strlen(errmsg)+1;
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:222:17:  [1] (buffer) strncat:
  Easily used incorrectly (e.g., incorrectly computing the correct maximum
  size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
  or automatically resizing strings. Risk is low because the source is a
  constant character.
                strncat(message, "\n", nleft-1);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1488:13:  [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).
        if (strlen(extname) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:1760:13:  [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).
        if (strlen(extname) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2459:5:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
    strncpy(card, cardin, FLEN_CARD);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2501:9:  [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).
    if (strlen(comment_in) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2545:9:  [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).
    if (strlen(comment_in) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2588:9:  [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).
    if (strlen(comment_in) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2630:9:  [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).
    if (strlen(comment_in) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2736:11:  [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(cont);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2742:9:  [1] (buffer) strncat:
  Easily used incorrectly (e.g., incorrectly computing the correct maximum
  size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
  or automatically resizing strings.
        strncat(card, &cont[ii], 72);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:2810:9:  [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).
    if (strlen(comment_in) > 0) {
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4250:11:  [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).
    lcont=strlen("CONTINUE");
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4251:11:  [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).
    lcomm=strlen("COMMENT");
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4290:12:  [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).
        ls=strlen(keyname);
data/python-fitsio-1.1.3+dfsg/fitsio/fitsio_pywrap.c:4345:40:  [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).
            if (!is_string_value && 0==strlen(longstr) && !is_comment) {

ANALYSIS SUMMARY:

Hits = 52
Lines analyzed = 4847 in approximately 0.11 seconds (44642 lines/second)
Physical Source Lines of Code (SLOC) = 3430
Hits@level = [0]   0 [1]  20 [2]  30 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]  52 [1+]  52 [2+]  32 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 15.1603 [1+] 15.1603 [2+] 9.32945 [3+] 0.58309 [4+] 0.58309 [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.