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/libtest-leaktrace-perl-0.16/ppport.h Examining data/libtest-leaktrace-perl-0.16/ptr_table.h FINAL RESULTS: data/libtest-leaktrace-perl-0.16/ppport.h:2828:10: [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/libtest-leaktrace-perl-0.16/ppport.h:2830:10: [4] (format) vsprintf: Potential format string problem (CWE-134). Make format string constant. retval = vsprintf(buffer, format, ap); data/libtest-leaktrace-perl-0.16/ppport.h:2854:1: [4] (format) vsprintf: Potential format string problem (CWE-134). Make format string constant. vsprintf(buffer, pat, args); data/libtest-leaktrace-perl-0.16/ppport.h:461:24: [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/libtest-leaktrace-perl-0.16/ppport.h:2709:22: [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/libtest-leaktrace-perl-0.16/ppport.h:2893:1: [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/libtest-leaktrace-perl-0.16/ppport.h:2917:1: [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/libtest-leaktrace-perl-0.16/ppport.h:2986:1: [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 octbuf[32] = "%123456789ABCDF"; data/libtest-leaktrace-perl-0.16/ppport.h:3052:1: [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 tmp[2]; data/libtest-leaktrace-perl-0.16/ppport.h:1605:22: [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). sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); data/libtest-leaktrace-perl-0.16/ppport.h:1611:56: [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/libtest-leaktrace-perl-0.16/ppport.h:1614:56: [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/libtest-leaktrace-perl-0.16/ppport.h:1630:22: [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). sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtest-leaktrace-perl-0.16/ppport.h:1653:22: [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). sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtest-leaktrace-perl-0.16/ppport.h:1670:22: [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). sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); \ data/libtest-leaktrace-perl-0.16/ppport.h:1688:22: [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). sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtest-leaktrace-perl-0.16/ppport.h:1711:22: [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). sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtest-leaktrace-perl-0.16/ppport.h:1728:22: [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). sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); \ data/libtest-leaktrace-perl-0.16/ppport.h:1769:50: [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 HvNAMELEN_get(hv) (HvNAME_get(hv) ? (I32)strlen(HvNAME_get(hv)) : 0) data/libtest-leaktrace-perl-0.16/ppport.h:2375:14: [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). STRLEN len = strlen(radix); data/libtest-leaktrace-perl-0.16/ppport.h:2856:8: [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 strlen(buffer); data/libtest-leaktrace-perl-0.16/ppport.h:2889:8: [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/libtest-leaktrace-perl-0.16/ppport.h:2890:10: [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/libtest-leaktrace-perl-0.16/ppport.h:2914:10: [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); ANALYSIS SUMMARY: Hits = 24 Lines analyzed = 3302 in approximately 0.10 seconds (32887 lines/second) Physical Source Lines of Code (SLOC) = 3215 Hits@level = [0] 0 [1] 15 [2] 6 [3] 0 [4] 3 [5] 0 Hits@level+ = [0+] 24 [1+] 24 [2+] 9 [3+] 3 [4+] 3 [5+] 0 Hits/KSLOC@level+ = [0+] 7.46501 [1+] 7.46501 [2+] 2.79938 [3+] 0.933126 [4+] 0.933126 [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.