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/libcompiler-lexer-perl-0.23/include/common.hpp Examining data/libcompiler-lexer-perl-0.23/include/gen_token.hpp Examining data/libcompiler-lexer-perl-0.23/include/keyword.hpp Examining data/libcompiler-lexer-perl-0.23/include/lexer.hpp Examining data/libcompiler-lexer-perl-0.23/include/token.hpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_annotator.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_lexer.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_manager.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_scanner.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/util/Compiler_double_charactor_operator.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/util/Compiler_gen_token_decl.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/util/Compiler_reserved_keyword.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/util/Compiler_token.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/util/Compiler_triple_charactor_operator.cpp Examining data/libcompiler-lexer-perl-0.23/src/compiler/util/Compiler_util.cpp FINAL RESULTS: data/libcompiler-lexer-perl-0.23/include/common.hpp:22:2: [4] (format) fprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. fprintf(stderr, fmt, ## __VA_ARGS__); \ data/libcompiler-lexer-perl-0.23/include/common.hpp:25:2: [4] (format) fprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. fprintf(stderr, fmt, ## __VA_ARGS__); \ data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_manager.cpp:174:3: [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 buffer[len + 1]; data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_manager.cpp:176:3: [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(buffer, raw_script + s, len); data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_scanner.cpp:194:2: [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 num_buffer[2] = {0}; data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_scanner.cpp:197:7: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). if (atoi(num_buffer) > 0 || number == '0') { data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_scanner.cpp:532:2: [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 op[4] = { symbol, next_ch, after_next_ch, EOL }; data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_scanner.cpp:555:2: [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 op[3] = { symbol, next_ch, EOL }; data/libcompiler-lexer-perl-0.23/include/lexer.hpp:55:56: [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). ReservedKeyword *ret = keyword_map.in_word_set(data, strlen(data)); data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_annotator.cpp:56:15: [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). size_t len = strlen(opt); data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_lexer.cpp:17:16: [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). script_size = strlen(script) + 1; data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_manager.cpp:165:16: [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). script_size = strlen(script) + 1; data/libcompiler-lexer-perl-0.23/src/compiler/lexer/Compiler_scanner.cpp:408:15: [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). size_t len = strlen(opt); ANALYSIS SUMMARY: Hits = 13 Lines analyzed = 5506 in approximately 0.32 seconds (17314 lines/second) Physical Source Lines of Code (SLOC) = 5127 Hits@level = [0] 13 [1] 5 [2] 6 [3] 0 [4] 2 [5] 0 Hits@level+ = [0+] 26 [1+] 13 [2+] 8 [3+] 2 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 5.07119 [1+] 2.5356 [2+] 1.56037 [3+] 0.390092 [4+] 0.390092 [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.