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/kdegraphics-mobipocket-20.04.3/thumbnailers/mobithumbnail.cpp Examining data/kdegraphics-mobipocket-20.04.3/thumbnailers/mobithumbnail.h Examining data/kdegraphics-mobipocket-20.04.3/lib/qfilestream.cpp Examining data/kdegraphics-mobipocket-20.04.3/lib/qfilestream.h Examining data/kdegraphics-mobipocket-20.04.3/lib/decompressor.cpp Examining data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp Examining data/kdegraphics-mobipocket-20.04.3/lib/decompressor.h Examining data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.h FINAL RESULTS: data/kdegraphics-mobipocket-20.04.3/lib/decompressor.cpp:20:23: [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 TOKEN_CODE[256] = { data/kdegraphics-mobipocket-20.04.3/lib/decompressor.cpp:184:5: [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(dict1,huff1.data()+off1, 256*4); data/kdegraphics-mobipocket-20.04.3/lib/decompressor.cpp:185:5: [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(dict2,huff1.data()+off2, 64*4); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:191:13: [2] (misc) open: 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). buf.open(QIODevice::ReadOnly); data/kdegraphics-mobipocket-20.04.3/lib/qfilestream.cpp:17:8: [2] (misc) open: 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). d->open(QIODevice::ReadOnly); data/kdegraphics-mobipocket-20.04.3/lib/decompressor.cpp:65:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). quint32 read() { data/kdegraphics-mobipocket-20.04.3/lib/decompressor.cpp:202:27: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). quint32 dw=reader.read(); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:21:20: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). QByteArray Stream::read(int len) data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:25:9: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). len=read(ret.data(),len); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:34:18: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while (!(bit=read(4096)).isEmpty()) ret+=bit; data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:56:46: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). fileType=QString::fromLatin1(device->read(8)); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:59:17: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). device->read((char*)&word,2); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:63:21: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). device->read((char*)&dword,4); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:65:21: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). device->read((char*)&dword,4); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.cpp:90:23: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). return d->device->read(d->recordOffsets[i+1]-offset); data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.h:31:17: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual int read(char* buf, int size)=0; data/kdegraphics-mobipocket-20.04.3/lib/mobipocket.h:35:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). QByteArray read(int len); data/kdegraphics-mobipocket-20.04.3/lib/qfilestream.cpp:25:18: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). int QFileStream::read(char* buf, int size) data/kdegraphics-mobipocket-20.04.3/lib/qfilestream.cpp:27:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). return d->read(buf,size); data/kdegraphics-mobipocket-20.04.3/lib/qfilestream.h:23:9: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). int read(char* buf, int size) override; ANALYSIS SUMMARY: Hits = 20 Lines analyzed = 787 in approximately 0.06 seconds (13130 lines/second) Physical Source Lines of Code (SLOC) = 586 Hits@level = [0] 0 [1] 15 [2] 5 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 20 [1+] 20 [2+] 5 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 34.1297 [1+] 34.1297 [2+] 8.53242 [3+] 0 [4+] 0 [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.