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/opusfile-0.9+20170913/examples/opusfile_example.c Examining data/opusfile-0.9+20170913/examples/seeking_example.c Examining data/opusfile-0.9+20170913/examples/win32utf8.c Examining data/opusfile-0.9+20170913/examples/win32utf8.h Examining data/opusfile-0.9+20170913/include/opusfile.h Examining data/opusfile-0.9+20170913/src/http.c Examining data/opusfile-0.9+20170913/src/info.c Examining data/opusfile-0.9+20170913/src/internal.c Examining data/opusfile-0.9+20170913/src/internal.h Examining data/opusfile-0.9+20170913/src/opusfile.c Examining data/opusfile-0.9+20170913/src/stream.c Examining data/opusfile-0.9+20170913/src/wincerts.c Examining data/opusfile-0.9+20170913/src/winerrno.h FINAL RESULTS: data/opusfile-0.9+20170913/examples/opusfile_example.c:66:16: [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. static const char SUFFIXES[7]={' ','k','M','G','T','P','E'}; data/opusfile-0.9+20170913/examples/opusfile_example.c:104:38: [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. static void make_wav_header(unsigned char _dst[44],ogg_int64_t _duration){ data/opusfile-0.9+20170913/examples/opusfile_example.c:109:25: [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. static const unsigned char WAV_HEADER_TEMPLATE[44]={ data/opusfile-0.9+20170913/examples/opusfile_example.c:117:3: [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(_dst,WAV_HEADER_TEMPLATE,sizeof(WAV_HEADER_TEMPLATE)); data/opusfile-0.9+20170913/examples/opusfile_example.c:136:12: [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. unsigned char wav_header[44]; data/opusfile-0.9+20170913/examples/opusfile_example.c:245:16: [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. unsigned char out[120*48*2*2]; data/opusfile-0.9+20170913/include/opusfile.h:268:12: [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. unsigned char mapping[OPUS_CHANNEL_COUNT_MAX]; data/opusfile-0.9+20170913/src/http.c:64:17: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. ret=(char *)memcpy(ret,_start,sizeof(*ret)*(len)); data/opusfile-0.9+20170913/src/http.c:182:7: [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 host_buf[28]; data/opusfile-0.9+20170913/src/http.c:191:7: [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(host_buf,host,sizeof(*host_buf)*(host_end-host)); data/opusfile-0.9+20170913/src/http.c:677:3: [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(buf+nbuf,_s,sizeof(*buf)*_len); data/opusfile-0.9+20170913/src/http.c:692:3: [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 port_buf[7]; data/opusfile-0.9+20170913/src/http.c:694:3: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(port_buf,":%u",_port); data/opusfile-0.9+20170913/src/http.c:732:3: [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 service[6]; data/opusfile-0.9+20170913/src/http.c:739:3: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(service,"%u",_port); data/opusfile-0.9+20170913/src/http.c:2122:5: [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(&_stream->addr,addrs[pi]->ai_addr,addrs[pi]->ai_addrlen); data/opusfile-0.9+20170913/src/http.c:2174:14: [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. static const char BASE64_TABLE[64]={ data/opusfile-0.9+20170913/src/info.c:79:20: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if(_head!=NULL)memcpy(_head->mapping,_data+21,head.channel_count); data/opusfile-0.9+20170913/src/info.c:86:18: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if(_head!=NULL)memcpy(_head,&head,head.mapping-(unsigned char *)&head); data/opusfile-0.9+20170913/src/info.c:149:17: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. ret=(char *)memcpy(ret,_s,sizeof(*ret)*_len); data/opusfile-0.9+20170913/src/info.c:221:7: [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(_tags->user_comments[ncomments],_data,len); data/opusfile-0.9+20170913/src/info.c:271:7: [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->user_comments[ncomments],_src->user_comments[ncomments],len); data/opusfile-0.9+20170913/src/info.c:304:3: [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(comment,_tag,sizeof(*comment)*tag_len); data/opusfile-0.9+20170913/src/info.c:306:3: [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(comment+tag_len+1,_value,sizeof(*comment)*(value_len+1)); data/opusfile-0.9+20170913/src/info.c:342:3: [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(binary_suffix_data,_data,_len); data/opusfile-0.9+20170913/src/info.c:627:3: [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(mime_type,_buf+i,sizeof(*mime_type)*mime_type_length); data/opusfile-0.9+20170913/src/info.c:638:3: [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(description,_buf+i,sizeof(*description)*description_length); data/opusfile-0.9+20170913/src/internal.h:227:12: [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. unsigned char od_mapping[OP_NCHANNELS_MAX]; data/opusfile-0.9+20170913/src/opusfile.c:96:5: [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(data,_initial_data,_initial_bytes); data/opusfile-0.9+20170913/src/opusfile.c:1375:5: [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(_of->od_mapping,head->mapping,sizeof(*head->mapping)*channel_count); data/opusfile-0.9+20170913/src/opusfile.c:1443:3: [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(op_start,_of->op,sizeof(*op_start)*start_op_count); data/opusfile-0.9+20170913/src/opusfile.c:1455:3: [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(_of->op,op_start,sizeof(*_of->op)*start_op_count); data/opusfile-0.9+20170913/src/opusfile.c:1530:5: [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(buffer,_initial_data,_initial_bytes*sizeof(*buffer)); data/opusfile-0.9+20170913/src/opusfile.c:2816:9: [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(_pcm,_of->od_buffer+nchannels*od_buffer_pos, data/opusfile-0.9+20170913/src/opusfile.c:3029:20: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if(_nchannels==2)memcpy(_dst,_src,_nsamples*2*sizeof(*_src)); data/opusfile-0.9+20170913/src/opusfile.c:3267:20: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if(_nchannels==2)memcpy(_dst,_src,_nsamples*2*sizeof(*_src)); data/opusfile-0.9+20170913/src/stream.c:235:6: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). fp=fopen(_path,_mode); data/opusfile-0.9+20170913/src/stream.c:297:3: [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(_ptr,stream->data+pos,_buf_size); data/opusfile-0.9+20170913/examples/win32utf8.c:18:7: [1] (buffer) wcslen: 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=wcslen(_src); data/opusfile-0.9+20170913/include/opusfile.h:904:17: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). op_read_func read; data/opusfile-0.9+20170913/src/http.c:71:36: [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 op_string_range_dup(_s,_s+strlen(_s)); data/opusfile-0.9+20170913/src/http.c:686:7: [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(_s); data/opusfile-0.9+20170913/src/http.c:1653:15: [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). pattern_len=strlen(pattern); data/opusfile-0.9+20170913/src/http.c:1726:12: [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). host_len=strlen(host); data/opusfile-0.9+20170913/src/http.c:2231:12: [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). user_len=strlen(_user); data/opusfile-0.9+20170913/src/http.c:2232:12: [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). pass_len=strlen(_pass); data/opusfile-0.9+20170913/src/http.c:2276:42: [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(strncmp(_server,BAD_SERVERS[si],strlen(BAD_SERVERS[si]))==0){ data/opusfile-0.9+20170913/src/info.c:251:42: [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). _dst->vendor=op_strdup_with_len(vendor,strlen(vendor)); data/opusfile-0.9+20170913/src/info.c:297:11: [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). tag_len=strlen(_tag); data/opusfile-0.9+20170913/src/info.c:298:13: [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). value_len=strlen(_value); data/opusfile-0.9+20170913/src/info.c:321:20: [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). comment_len=(int)strlen(_comment); data/opusfile-0.9+20170913/src/info.c:350:11: [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). tag_len=strlen(_tag_name); data/opusfile-0.9+20170913/src/info.c:368:11: [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). tag_len=strlen(_tag); data/opusfile-0.9+20170913/src/info.c:389:11: [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). tag_len=strlen(_tag); data/opusfile-0.9+20170913/src/info.c:744:14: [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). tag_length=strlen(_tag); data/opusfile-0.9+20170913/src/opusfile.c:151:32: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). nbytes=(int)(*_of->callbacks.read)(_of->stream,buffer,_nbytes); data/opusfile-0.9+20170913/src/stream.c:142:7: [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(_src); ANALYSIS SUMMARY: Hits = 57 Lines analyzed = 11711 in approximately 0.42 seconds (27749 lines/second) Physical Source Lines of Code (SLOC) = 7089 Hits@level = [0] 112 [1] 19 [2] 38 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 169 [1+] 57 [2+] 38 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 23.8398 [1+] 8.04063 [2+] 5.36042 [3+] 0 [4+] 0 [5+] 0 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.