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-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c Examining data/python-stdlib-extensions-2.7.18/2.7/Modules/tkinter.h Examining data/python-stdlib-extensions-2.7.18/2.7/Modules/tkappinit.c Examining data/python-stdlib-extensions-2.7.18/2.7/Modules/gdbmmodule.c FINAL RESULTS: data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:776:5: [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(argv0, className); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:817:13: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(args, use); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:390:5: [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 *argvStore[ARGSZ]; data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:812:13: [2] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant string. strcat(args, "-sync"); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:816:13: [2] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant string. strcat(args, "-use "); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:952:5: [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[50]; data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:2892:5: [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[100]; data/python-stdlib-extensions-2.7.18/2.7/Modules/gdbmmodule.c:485:9: [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 buf[40]; data/python-stdlib-extensions-2.7.18/2.7/Modules/tkappinit.c:41:5: [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 tclLibPath[MAX_PATH_LEN], tkLibPath[MAX_PATH_LEN]; data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:528:36: [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 fromTclStringAndSize(s, strlen(s)); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:769:35: [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). argv0 = (char*)attemptckalloc(strlen(className) + 1); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:801:20: [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). len += strlen(use) + sizeof "-use "; data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:815:17: [1] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant character. strcat(args, " "); data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:1040:26: [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 (s != NULL && strlen(s) >= INT_MAX) { \ data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:1846:13: [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). if (strlen(s) != PyString_Size(in)) { data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:2333:9: [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 (strlen(list) >= INT_MAX) { data/python-stdlib-extensions-2.7.18/2.7/Modules/_tkinter.c:2399:9: [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 (strlen(list) >= INT_MAX) { ANALYSIS SUMMARY: Hits = 17 Lines analyzed = 4480 in approximately 0.11 seconds (40578 lines/second) Physical Source Lines of Code (SLOC) = 3525 Hits@level = [0] 1 [1] 8 [2] 7 [3] 0 [4] 2 [5] 0 Hits@level+ = [0+] 18 [1+] 17 [2+] 9 [3+] 2 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 5.10638 [1+] 4.8227 [2+] 2.55319 [3+] 0.567376 [4+] 0.567376 [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.