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/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_avl.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_codes.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_slif.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_ami.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_obs.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_tavl.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_avl.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_obs.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_ami.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_tavl.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_slif.h
Examining data/libmarpa-6.1.0~dfsg/xs/ppport.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa/avl/marpa_avl.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa/avl/marpa_avl.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/obs/marpa_obs.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/obs/marpa_obs.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa/shared/do_not_edit.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/shared/license.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/tavl/tavl-test.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.h
Examining data/libmarpa-6.1.0~dfsg/libmarpa/tavl/marpa_tavl.c
Examining data/libmarpa-6.1.0~dfsg/libmarpa/tavl/marpa_tavl.h
FINAL RESULTS:
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:141:3: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf (stderr, message, args);
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:654:5: [4] (format) printf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
printf (*p, pgm_name);
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_ami.c:73:1: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf(stderr,format,args);
data/libmarpa-6.1.0~dfsg/xs/ppport.h:6890:14: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6892:14: [4] (format) vsprintf:
Potential format string problem (CWE-134). Make format string constant.
retval = vsprintf(buffer, format, ap);
data/libmarpa-6.1.0~dfsg/xs/ppport.h:6921:5: [4] (format) vsprintf:
Potential format string problem (CWE-134). Make format string constant.
vsprintf(buffer, pat, args);
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:1046:7: [3] (random) srand:
This function is not sufficiently random for security-related functions
such as key and nonce creation (CWE-327). Use a more secure technique for
acquiring random values.
srand (opts.seed);
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:1049:7: [3] (random) srand:
This function is not sufficiently random for security-related functions
such as key and nonce creation (CWE-327). Use a more secure technique for
acquiring random values.
srand (++opts.seed);
data/libmarpa-6.1.0~dfsg/libmarpa/avl/marpa_avl.c:127:12: [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 da[MARPA_AVL_MAX_HEIGHT]; /* Cached comparison results. */
data/libmarpa-6.1.0~dfsg/libmarpa/avl/marpa_avl.c:457:11: [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 (trav->avl_stack, (const void *) src->avl_stack,
data/libmarpa-6.1.0~dfsg/libmarpa/obs/marpa_obs.h:86:3: [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 contents[4];
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/marpa_tavl.c:130:12: [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 da[TAVL_MAX_HEIGHT]; /* Cached comparison results. */
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/marpa_tavl.h:79:14: [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 tavl_tag[2]; /* Tag fields. */
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:488:3: [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 name[16]; /* Option name. */
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:505:5: [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 (name, p, name_len);
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:725:26: [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.
static const char *orders[INS_CNT] =
data/libmarpa-6.1.0~dfsg/libmarpa/tavl/test.c:747:26: [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.
static const char *orders[DEL_CNT] =
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2370:1: [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(buffer,"S%d@%d-%d",
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2376:8: [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.
static char DEBUG_yim_tag_buffer[1000];
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2389:1: [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(buffer,"L%d@%d",
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2394:8: [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.
static char DEBUG_lim_tag_buffer[1000];
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2410:1: [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(buffer,"R%d:%d@%d-%d",
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2417:8: [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.
static char DEBUG_or_tag_buffer[1000];
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2433:1: [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(buffer,"R%d@%d",IRLID_of_AHM(ahm),Position_of_AHM(ahm));
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2435:1: [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(buffer,"R%d@end",IRLID_of_AHM(ahm));
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa.c:2440:8: [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.
static char DEBUG_ahm_tag_buffer[1000];
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_avl.c:127:12: [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 da[MARPA_AVL_MAX_HEIGHT]; /* Cached comparison results. */
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_avl.c:457:11: [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 (trav->avl_stack, (const void *) src->avl_stack,
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_obs.h:86:3: [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 contents[4];
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_tavl.c:130:12: [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 da[TAVL_MAX_HEIGHT]; /* Cached comparison results. */
data/libmarpa-6.1.0~dfsg/libmarpa_dist/marpa_tavl.h:79:14: [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 tavl_tag[2]; /* Tag fields. */
data/libmarpa-6.1.0~dfsg/xs/ppport.h:3842:42: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6745:24: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6967:9: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6996:9: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:7088:5: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:7158:6: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5335:24: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5343:59: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5347:59: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5367:24: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5395:24: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5416:27: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5438:24: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5466:24: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5487:27: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:5541:65: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6339:22: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6923:12: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6963:12: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6964:14: [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/libmarpa-6.1.0~dfsg/xs/ppport.h:6993:14: [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 = 52
Lines analyzed = 37654 in approximately 0.79 seconds (47927 lines/second)
Physical Source Lines of Code (SLOC) = 23872
Hits@level = [0] 81 [1] 15 [2] 29 [3] 2 [4] 6 [5] 0
Hits@level+ = [0+] 133 [1+] 52 [2+] 37 [3+] 8 [4+] 6 [5+] 0
Hits/KSLOC@level+ = [0+] 5.57138 [1+] 2.17828 [2+] 1.54993 [3+] 0.335121 [4+] 0.25134 [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.