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/scikit-fmm-2019.1.30/profile/prof.cpp Examining data/scikit-fmm-2019.1.30/skfmm/base_marcher.cpp Examining data/scikit-fmm-2019.1.30/skfmm/base_marcher.h Examining data/scikit-fmm-2019.1.30/skfmm/distance_marcher.cpp Examining data/scikit-fmm-2019.1.30/skfmm/distance_marcher.h Examining data/scikit-fmm-2019.1.30/skfmm/extension_velocity_marcher.cpp Examining data/scikit-fmm-2019.1.30/skfmm/extension_velocity_marcher.h Examining data/scikit-fmm-2019.1.30/skfmm/fmm.cpp Examining data/scikit-fmm-2019.1.30/skfmm/heap.cpp Examining data/scikit-fmm-2019.1.30/skfmm/heap.h Examining data/scikit-fmm-2019.1.30/skfmm/pheap.cpp Examining data/scikit-fmm-2019.1.30/skfmm/travel_time_marcher.cpp Examining data/scikit-fmm-2019.1.30/skfmm/travel_time_marcher.h FINAL RESULTS: data/scikit-fmm-2019.1.30/skfmm/pheap.cpp:449:5: [4] (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). strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); data/scikit-fmm-2019.1.30/skfmm/pheap.cpp:403:9: [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 ascii_chars[128]; data/scikit-fmm-2019.1.30/skfmm/pheap.cpp:2208:5: [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/scikit-fmm-2019.1.30/skfmm/pheap.cpp:2212:9: [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/scikit-fmm-2019.1.30/skfmm/pheap.cpp:122:55: [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 PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict") data/scikit-fmm-2019.1.30/skfmm/pheap.cpp:448:52: [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_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c)); data/scikit-fmm-2019.1.30/skfmm/pheap.cpp:2419:53: [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 __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str)); ANALYSIS SUMMARY: Hits = 7 Lines analyzed = 4033 in approximately 0.53 seconds (7656 lines/second) Physical Source Lines of Code (SLOC) = 3492 Hits@level = [0] 1 [1] 3 [2] 3 [3] 0 [4] 1 [5] 0 Hits@level+ = [0+] 8 [1+] 7 [2+] 4 [3+] 1 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 2.29095 [1+] 2.00458 [2+] 1.14548 [3+] 0.286369 [4+] 0.286369 [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.