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/libtime-moment-perl-0.44/ppport.h Examining data/libtime-moment-perl-0.44/src/dt_accessor.c Examining data/libtime-moment-perl-0.44/src/dt_accessor.h Examining data/libtime-moment-perl-0.44/src/dt_arithmetic.c Examining data/libtime-moment-perl-0.44/src/dt_arithmetic.h Examining data/libtime-moment-perl-0.44/src/dt_config.h Examining data/libtime-moment-perl-0.44/src/dt_core.c Examining data/libtime-moment-perl-0.44/src/dt_core.h Examining data/libtime-moment-perl-0.44/src/dt_easter.c Examining data/libtime-moment-perl-0.44/src/dt_easter.h Examining data/libtime-moment-perl-0.44/src/dt_length.c Examining data/libtime-moment-perl-0.44/src/dt_length.h Examining data/libtime-moment-perl-0.44/src/dt_parse_iso.c Examining data/libtime-moment-perl-0.44/src/dt_parse_iso.h Examining data/libtime-moment-perl-0.44/src/dt_util.c Examining data/libtime-moment-perl-0.44/src/dt_util.h Examining data/libtime-moment-perl-0.44/src/dt_valid.c Examining data/libtime-moment-perl-0.44/src/dt_valid.h Examining data/libtime-moment-perl-0.44/src/moment.c Examining data/libtime-moment-perl-0.44/src/moment.h Examining data/libtime-moment-perl-0.44/src/moment_fmt.c Examining data/libtime-moment-perl-0.44/src/moment_fmt.h Examining data/libtime-moment-perl-0.44/src/moment_parse.c Examining data/libtime-moment-perl-0.44/src/moment_parse.h FINAL RESULTS: data/libtime-moment-perl-0.44/ppport.h:7380:14: [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/libtime-moment-perl-0.44/ppport.h:7382:14: [4] (format) vsprintf: Potential format string problem (CWE-134). Make format string constant. retval = vsprintf(buffer, format, ap); data/libtime-moment-perl-0.44/ppport.h:7411:5: [4] (format) vsprintf: Potential format string problem (CWE-134). Make format string constant. vsprintf(buffer, pat, args); data/libtime-moment-perl-0.44/ppport.h:4110:42: [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/libtime-moment-perl-0.44/ppport.h:7235:38: [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/libtime-moment-perl-0.44/ppport.h:7457:9: [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/libtime-moment-perl-0.44/ppport.h:7486:9: [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/libtime-moment-perl-0.44/ppport.h:7578:5: [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 octbuf[32] = "%123456789ABCDF"; data/libtime-moment-perl-0.44/ppport.h:7648:13: [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/libtime-moment-perl-0.44/src/moment_fmt.c:128:5: [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[20], *p, *e, *d, c; data/libtime-moment-perl-0.44/src/moment_fmt.c:152:5: [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(d, p, nlen); data/libtime-moment-perl-0.44/src/moment_fmt.c:161:5: [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[9]; data/libtime-moment-perl-0.44/src/moment_fmt.c:189:5: [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[30], *p, *e; data/libtime-moment-perl-0.44/ppport.h:5631:24: [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). sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); data/libtime-moment-perl-0.44/ppport.h:5639:59: [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/libtime-moment-perl-0.44/ppport.h:5643:59: [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/libtime-moment-perl-0.44/ppport.h:5663:24: [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). sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtime-moment-perl-0.44/ppport.h:5691:24: [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). sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtime-moment-perl-0.44/ppport.h:5712:27: [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). sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); \ data/libtime-moment-perl-0.44/ppport.h:5734:24: [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). sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtime-moment-perl-0.44/ppport.h:5762:24: [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). sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); data/libtime-moment-perl-0.44/ppport.h:5783:27: [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). sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); \ data/libtime-moment-perl-0.44/ppport.h:5837:65: [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/libtime-moment-perl-0.44/ppport.h:6829:22: [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). STRLEN len = strlen(radix); data/libtime-moment-perl-0.44/ppport.h:7413:12: [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/libtime-moment-perl-0.44/ppport.h:7453:12: [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/libtime-moment-perl-0.44/ppport.h:7454:14: [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). length = strlen(src); data/libtime-moment-perl-0.44/ppport.h:7483:14: [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). length = strlen(src); ANALYSIS SUMMARY: Hits = 28 Lines analyzed = 11773 in approximately 0.33 seconds (36013 lines/second) Physical Source Lines of Code (SLOC) = 6241 Hits@level = [0] 0 [1] 15 [2] 10 [3] 0 [4] 3 [5] 0 Hits@level+ = [0+] 28 [1+] 28 [2+] 13 [3+] 3 [4+] 3 [5+] 0 Hits/KSLOC@level+ = [0+] 4.48646 [1+] 4.48646 [2+] 2.083 [3+] 0.480692 [4+] 0.480692 [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.