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/swath-0.6.1/conv/convfact.cxx Examining data/swath-0.6.1/conv/tischar.h Examining data/swath-0.6.1/conv/tis620.h Examining data/swath-0.6.1/conv/conv.cxx Examining data/swath-0.6.1/conv/utf8.cxx Examining data/swath-0.6.1/conv/tis620.cxx Examining data/swath-0.6.1/conv/unichar.h Examining data/swath-0.6.1/conv/conv.h Examining data/swath-0.6.1/conv/convfact.h Examining data/swath-0.6.1/conv/convkit.h Examining data/swath-0.6.1/conv/utf8.h Examining data/swath-0.6.1/src/longwordseg.cpp Examining data/swath-0.6.1/src/filterlatex.cpp Examining data/swath-0.6.1/src/filterlambda.h Examining data/swath-0.6.1/src/filefilter.h Examining data/swath-0.6.1/src/filterrtf.h Examining data/swath-0.6.1/src/wordstack.h Examining data/swath-0.6.1/src/utils.h Examining data/swath-0.6.1/src/abswordseg.h Examining data/swath-0.6.1/src/maxwordseg.cpp Examining data/swath-0.6.1/src/filterx.h Examining data/swath-0.6.1/src/maxwordseg.h Examining data/swath-0.6.1/src/longwordseg.h Examining data/swath-0.6.1/src/convutil.h Examining data/swath-0.6.1/src/filefilter.cpp Examining data/swath-0.6.1/src/worddef.h Examining data/swath-0.6.1/src/filterhtml.h Examining data/swath-0.6.1/src/filterlatex.h Examining data/swath-0.6.1/src/abswordseg.cpp Examining data/swath-0.6.1/src/wordseg.cpp Examining data/swath-0.6.1/src/filterrtf.cpp Examining data/swath-0.6.1/src/dict.h Examining data/swath-0.6.1/src/filterhtml.cpp Examining data/swath-0.6.1/src/dict.cpp Examining data/swath-0.6.1/src/convutil.cpp FINAL RESULTS: data/swath-0.6.1/src/abswordseg.cpp:154:3: [4] (buffer) wcscpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using a function version that stops copying at the end of the buffer. wcscpy (text, senstr); data/swath-0.6.1/src/dict.cpp:41:7: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf (trieBuff, "%s" PATH_SEP DICT_FILENAME, dictPath); data/swath-0.6.1/src/wordseg.cpp:56:18: [3] (buffer) getenv: Environment variables are untrustable input if they can be set by an attacker. They can have any content and length, and the same variable can be set more than once (CWE-807, CWE-20). Check environment variables carefully before using them. dictpath = getenv ("SWATHDICT"); data/swath-0.6.1/src/abswordseg.h:28:3: [2] (buffer) wchar_t: 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. wchar_t text[MAXLEN]; data/swath-0.6.1/src/convutil.cpp:55:3: [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 uniBuff[10]; data/swath-0.6.1/src/convutil.cpp:77:3: [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 output[MAXLEN * 2 * 5]; data/swath-0.6.1/src/dict.cpp:26:7: [2] (misc) open: 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). Dict::open (const char* dictPath) data/swath-0.6.1/src/dict.h:39:10: [2] (misc) open: 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). bool open (const char* dictPath); data/swath-0.6.1/src/dict.h:91:3: [2] (misc) open: 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). open (dictPath); data/swath-0.6.1/src/filterlatex.h:22:3: [2] (buffer) wchar_t: 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. wchar_t buffer[MAXLEN]; data/swath-0.6.1/src/filterrtf.cpp:42:3: [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 val[1024]; data/swath-0.6.1/src/filterrtf.cpp:269:23: [2] (buffer) wcscat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Risk is low because the source is a constant string. wcscat (strbuff, L"\\'"); data/swath-0.6.1/src/filterrtf.cpp:611:3: [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 utfBuff[10]; data/swath-0.6.1/src/filterrtf.h:41:3: [2] (buffer) wchar_t: 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. wchar_t strbuff[40]; data/swath-0.6.1/src/wordseg.cpp:51:17: [2] (misc) open: 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). if (dict->open (dictpath)) data/swath-0.6.1/src/wordseg.cpp:57:29: [2] (misc) open: 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). if (dictpath && dict->open (dictpath)) data/swath-0.6.1/src/wordseg.cpp:60:17: [2] (misc) open: 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). if (dict->open (".")) data/swath-0.6.1/src/wordseg.cpp:63:17: [2] (misc) open: 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). if (dict->open (WORDSEGDATA_DIR)) data/swath-0.6.1/src/wordseg.cpp:261:3: [2] (buffer) wchar_t: 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. wchar_t wLine[MAXLEN]; data/swath-0.6.1/src/wordseg.cpp:262:3: [2] (buffer) wchar_t: 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. wchar_t wsegOut[MAXLEN * 2]; data/swath-0.6.1/src/wordseg.cpp:318:11: [2] (buffer) wchar_t: 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. wchar_t wToken[MAXLEN]; data/swath-0.6.1/src/abswordseg.cpp:155:13: [1] (buffer) wcslen: 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). textLen = wcslen (senstr); data/swath-0.6.1/src/convutil.cpp:46:12: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). return fgetc (fpin); data/swath-0.6.1/src/convutil.cpp:48:11: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). int c = fgetc (fpin); data/swath-0.6.1/src/convutil.cpp:60:17: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). int inp = fgetc (fpin); data/swath-0.6.1/src/convutil.cpp:102:33: [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). wchar_t* output = new wchar_t[strlen (s) + 1]; data/swath-0.6.1/src/dict.cpp:40:27: [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). trieBuff = new char[strlen (dictPath) + 2 + sizeof (DICT_FILENAME)]; data/swath-0.6.1/src/filterlatex.cpp:28:3: [1] (buffer) wcsncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). wcsncpy (token, buffer, nCopy); data/swath-0.6.1/src/filterlatex.cpp:48:59: [1] (buffer) wcslen: 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). curPtr += consumeToken (token, tokenSz, buffer, wcslen (buffer)); data/swath-0.6.1/src/filterlatex.cpp:49:37: [1] (buffer) wcslen: 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). wmemmove (buffer, curPtr, wcslen (curPtr) + 1); data/swath-0.6.1/src/filterlatex.cpp:53:25: [1] (buffer) wcslen: 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 verbLen = wcslen (L"\\end{verbatim}"); data/swath-0.6.1/src/filterlatex.cpp:59:37: [1] (buffer) wcslen: 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). wmemmove (buffer, curPtr, wcslen (curPtr) + 1); data/swath-0.6.1/src/filterlatex.cpp:95:43: [1] (buffer) wcslen: 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). wmemmove (buffer, beginPtr, wcslen (beginPtr) + 1); data/swath-0.6.1/src/filterlatex.cpp:115:19: [1] (buffer) wcscpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using a function version that stops copying at the end of the buffer. Risk is low because the source is a constant character. wcscpy (pToken, L"\n"); data/swath-0.6.1/src/filterlatex.cpp:126:19: [1] (buffer) wcscpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using a function version that stops copying at the end of the buffer. Risk is low because the source is a constant character. wcscpy (pToken, L"\n"); data/swath-0.6.1/src/filterlatex.cpp:140:35: [1] (buffer) wcslen: 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). wmemmove (buffer, beginPtr, wcslen (beginPtr) + 1); data/swath-0.6.1/src/filterlatex.cpp:152:31: [1] (buffer) wcslen: 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). wmemmove (buffer, beginPtr, wcslen (beginPtr) + 1); data/swath-0.6.1/src/filterrtf.cpp:111:38: [1] (buffer) wcslen: 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). nCopy = min<int> (tokenSz - 1, wcslen (strbuff)); data/swath-0.6.1/src/filterrtf.cpp:115:43: [1] (buffer) wcslen: 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). wmemmove (strbuff, strbuff + nCopy, wcslen (strbuff + nCopy) + 1); data/swath-0.6.1/src/filterrtf.cpp:119:36: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while (!charConsumed || (c = fgetc (fpin)) != EOF) data/swath-0.6.1/src/filterrtf.cpp:125:46: [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). nCopy = min<int> (tokenSz - 1, strlen (rtfToken.getVal())); data/swath-0.6.1/src/filterrtf.cpp:155:31: [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 len = strlen (rtfToken.getVal()); data/swath-0.6.1/src/filterrtf.cpp:177:33: [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 len = strlen (rtfToken.getVal()); data/swath-0.6.1/src/filterrtf.cpp:219:36: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while (!charConsumed || (c = fgetc (fpin)) != EOF) data/swath-0.6.1/src/filterrtf.cpp:227:33: [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 (rtfToken.getVal())); data/swath-0.6.1/src/filterrtf.cpp:306:36: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while (!charConsumed || (c = fgetc (fpin)) != EOF) data/swath-0.6.1/src/filterrtf.cpp:312:46: [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). nCopy = min<int> (tokenSz - 1, strlen (rtfToken.getVal())); data/swath-0.6.1/src/filterrtf.cpp:339:31: [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 len = strlen (rtfToken.getVal()); data/swath-0.6.1/src/filterrtf.cpp:359:33: [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 len = strlen (rtfToken.getVal()); data/swath-0.6.1/src/filterrtf.cpp:405:17: [1] (buffer) wcslen: 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 len = wcslen (strbuff); data/swath-0.6.1/src/wordseg.cpp:99:16: [1] (buffer) wcslen: 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 wbrLen = wcslen (wbr); data/swath-0.6.1/src/wordseg.cpp:106:7: [1] (buffer) wcsncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). wcsncpy (output, pLine, outLen); data/swath-0.6.1/src/wordseg.cpp:113:7: [1] (buffer) wcsncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). wcsncpy (output, wbr, wbrLen); data/swath-0.6.1/src/wordseg.cpp:120:3: [1] (buffer) wcsncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). wcsncpy (output, pLine, outputSz); data/swath-0.6.1/src/wordseg.cpp:303:21: [1] (buffer) wcslen: 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 len = wcslen (wLine); ANALYSIS SUMMARY: Hits = 55 Lines analyzed = 3006 in approximately 0.08 seconds (39368 lines/second) Physical Source Lines of Code (SLOC) = 2332 Hits@level = [0] 29 [1] 34 [2] 18 [3] 1 [4] 2 [5] 0 Hits@level+ = [0+] 84 [1+] 55 [2+] 21 [3+] 3 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 36.0206 [1+] 23.5849 [2+] 9.00515 [3+] 1.28645 [4+] 0.857633 [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.