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-misaka-1.0.2/src/misaka.c
Examining data/python-misaka-1.0.2/src/sundown/autolink.c
Examining data/python-misaka-1.0.2/src/sundown/autolink.h
Examining data/python-misaka-1.0.2/src/sundown/buffer.c
Examining data/python-misaka-1.0.2/src/sundown/buffer.h
Examining data/python-misaka-1.0.2/src/sundown/houdini.h
Examining data/python-misaka-1.0.2/src/sundown/houdini_href_e.c
Examining data/python-misaka-1.0.2/src/sundown/houdini_html_e.c
Examining data/python-misaka-1.0.2/src/sundown/html.c
Examining data/python-misaka-1.0.2/src/sundown/html.h
Examining data/python-misaka-1.0.2/src/sundown/html_blocks.h
Examining data/python-misaka-1.0.2/src/sundown/html_smartypants.c
Examining data/python-misaka-1.0.2/src/sundown/markdown.c
Examining data/python-misaka-1.0.2/src/sundown/markdown.h
Examining data/python-misaka-1.0.2/src/sundown/stack.c
Examining data/python-misaka-1.0.2/src/sundown/stack.h
Examining data/python-misaka-1.0.2/src/wrapper.c
Examining data/python-misaka-1.0.2/src/wrapper.h

FINAL RESULTS:

data/python-misaka-1.0.2/src/sundown/buffer.c:31:25:  [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.
#	define _buf_vsnprintf vsnprintf
data/python-misaka-1.0.2/src/sundown/buffer.h:86:73:  [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.
void bufprintf(struct buf *, const char *, ...) __attribute__ ((format (printf, 2, 3)));
data/python-misaka-1.0.2/src/sundown/html_smartypants.c:26:9:  [4] (format) snprintf:
  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.
#define snprintf	_snprintf
data/python-misaka-1.0.2/src/sundown/html_smartypants.c:26:18:  [4] (format) _snprintf:
  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.
#define snprintf	_snprintf
data/python-misaka-1.0.2/src/misaka.c:3987:5:  [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 ctversion[4], rtversion[4];
data/python-misaka-1.0.2/src/misaka.c:3991:9:  [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 message[200];
data/python-misaka-1.0.2/src/sundown/autolink.c:42:17:  [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.
			strncasecmp((char *)link, valid_uris[i], len) == 0 &&
data/python-misaka-1.0.2/src/sundown/buffer.c:160:2:  [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(buf->data + buf->size, data, len);
data/python-misaka-1.0.2/src/sundown/houdini_href_e.c:58:2:  [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 hex_str[3];
data/python-misaka-1.0.2/src/sundown/html.c:580:2:  [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(callbacks, &cb_default, sizeof(struct sd_callbacks));
data/python-misaka-1.0.2/src/sundown/html.c:623:2:  [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(callbacks, &cb_default, sizeof(struct sd_callbacks));
data/python-misaka-1.0.2/src/sundown/html_blocks.h:36:17:  [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 unsigned char gperf_downcase[256] =
data/python-misaka-1.0.2/src/sundown/html_smartypants.c:89:2:  [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 ent[8];
data/python-misaka-1.0.2/src/sundown/markdown.c:2360:2:  [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(&md->cb, callbacks, sizeof(struct sd_callbacks));
data/python-misaka-1.0.2/src/misaka.c:993:15:  [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).
  __pyx_t_5 = strlen(__pyx_v_c_string); 
data/python-misaka-1.0.2/src/misaka.c:1209:58:  [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).
    __pyx_t_2 = ((PyObject *)PyUnicode_Decode(__pyx_t_4, strlen(__pyx_t_4), __pyx_k_3, NULL)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
data/python-misaka-1.0.2/src/sundown/autolink.c:39:16:  [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_t len = strlen(valid_uris[i]);
data/python-misaka-1.0.2/src/sundown/autolink.c:160:39:  [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 (size < 4 || memcmp(data, "www.", strlen("www.")) != 0)
data/python-misaka-1.0.2/src/sundown/autolink.c:244:13:  [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).
	link_end = strlen("://");
data/python-misaka-1.0.2/src/sundown/buffer.c:168:19:  [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).
	bufput(buf, str, strlen(str));
data/python-misaka-1.0.2/src/sundown/buffer.h:49:24:  [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).
	{ (uint8_t *)strname, strlen(strname), 0, 0, 0 }
data/python-misaka-1.0.2/src/sundown/markdown.c:1811:20:  [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_t tag_size = strlen(curtag);

ANALYSIS SUMMARY:

Hits = 22
Lines analyzed = 9415 in approximately 0.27 seconds (35005 lines/second)
Physical Source Lines of Code (SLOC) = 6871
Hits@level = [0]   1 [1]   8 [2]  10 [3]   0 [4]   4 [5]   0
Hits@level+ = [0+]  23 [1+]  22 [2+]  14 [3+]   4 [4+]   4 [5+]   0
Hits/KSLOC@level+ = [0+] 3.3474 [1+] 3.20186 [2+] 2.03755 [3+] 0.582157 [4+] 0.582157 [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.