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/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_portuguese.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_danish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_swedish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_italian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_2_romanian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_swedish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_finnish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_french.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_french.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_romanian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_danish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_german.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_german.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_portuguese.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_norwegian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_italian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_russian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_danish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_hungarian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_dutch.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_spanish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_finnish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_hungarian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_hungarian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_german.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_spanish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_porter.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_danish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_dutch.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_french.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_KOI8_R_russian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_finnish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_french.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_turkish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_KOI8_R_russian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_swedish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_dutch.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_german.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_spanish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_finnish.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_spanish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_swedish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_english.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_russian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_romanian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_english.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_hungarian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_porter.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_2_romanian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_portuguese.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_italian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_dutch.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_italian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_turkish.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_norwegian.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_porter.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_porter.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_english.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_norwegian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_UTF_8_portuguese.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_english.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/src_c/stem_ISO_8859_1_norwegian.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/libstemmer/modules_utf8.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/libstemmer/libstemmer.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/libstemmer/modules.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/include/libstemmer.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/runtime/api.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/runtime/header.h
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/runtime/utilities.c
Examining data/liblingua-stem-snowball-perl-0.952/libstemmer_c/runtime/api.h
Examining data/liblingua-stem-snowball-perl-0.952/ppport.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/runtime/header.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/runtime/api.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/runtime/api.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/runtime/utilities.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/libstemmer/libstemmer.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/libstemmer/modules_utf8.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/libstemmer/libstemmer_utf8.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/libstemmer/modules.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/syswords2.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/space.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/driver.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/header.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/tokeniser.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/syswords.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/analyser.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator_java.c
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/include/libstemmer.h
Examining data/liblingua-stem-snowball-perl-0.952/snowball-code/examples/stemwords.c
FINAL RESULTS:
data/liblingua-stem-snowball-perl-0.952/ppport.h:6346:14: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6348:14: [4] (format) vsprintf:
Potential format string problem (CWE-134). Make format string constant.
retval = vsprintf(buffer, format, ap);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/analyser.c:19:29: [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.
for (i = 0; i < n; i++) printf(i == n - 1 ? s : " ");
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/driver.c:18:5: [4] (format) fprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
fprintf(stderr, "Usage: snowball <file> [options]\n\n"
data/liblingua-stem-snowball-perl-0.952/ppport.h:3549:42: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6201:24: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6397:9: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6426:9: [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/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/driver.c:51:21: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
FILE * output = fopen(s, "w");
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator.c:1018:5: [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 buf[64];
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator.c:1023:9: [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(buf, "z->p[z->c + %d]", shortest_size - 1);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/header.h:267:11: [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.
const char * S[10]; /* strings */
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/space.c:194:5: [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 s[30];
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/space.c:195:5: [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(s, "%d", i);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/tokeniser.c:25:24: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
FILE * input = fopen(s, "r");
data/liblingua-stem-snowball-perl-0.952/snowball-code/examples/stemwords.c:179:32: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
f_in = (in == 0) ? stdin : fopen(in, "r");
data/liblingua-stem-snowball-perl-0.952/snowball-code/examples/stemwords.c:184:35: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
f_out = (out == 0) ? stdout : fopen(out, "w");
data/liblingua-stem-snowball-perl-0.952/ppport.h:4835:24: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4843:59: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4847:59: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4867:24: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4895:24: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4916:27: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4938:24: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4966:24: [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/liblingua-stem-snowball-perl-0.952/ppport.h:4987:27: [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/liblingua-stem-snowball-perl-0.952/ppport.h:5795:22: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6393:12: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6394:14: [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/liblingua-stem-snowball-perl-0.952/ppport.h:6423:14: [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/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/driver.c:12:18: [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).
int s1_len = strlen(s1);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/driver.c:13:18: [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).
int s2_len = strlen(s2);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator.c:218:13: [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).
int l = strlen(s);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator.c:1209:38: [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 (g->options->runtime_path[strlen(g->options->runtime_path) - 1] != '/')
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/generator_java.c:272:13: [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).
int l = strlen(input);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/space.c:125:13: [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).
int n = strlen(s);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/tokeniser.c:32:26: [1] (buffer) getc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
{ int ch = getc(input);
data/liblingua-stem-snowball-perl-0.952/snowball-code/compiler/tokeniser.c:97:13: [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).
int l = strlen(s);
data/liblingua-stem-snowball-perl-0.952/snowball-code/examples/stemwords.c:23:18: [1] (buffer) getc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
int ch = getc(f_in);
data/liblingua-stem-snowball-perl-0.952/snowball-code/examples/stemwords.c:47:22: [1] (buffer) getc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
ch = getc(f_in);
ANALYSIS SUMMARY:
Hits = 40
Lines analyzed = 41081 in approximately 1.27 seconds (32260 lines/second)
Physical Source Lines of Code (SLOC) = 34419
Hits@level = [0] 96 [1] 23 [2] 13 [3] 0 [4] 4 [5] 0
Hits@level+ = [0+] 136 [1+] 40 [2+] 17 [3+] 4 [4+] 4 [5+] 0
Hits/KSLOC@level+ = [0+] 3.95131 [1+] 1.16215 [2+] 0.493913 [3+] 0.116215 [4+] 0.116215 [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.