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/ffmpegthumbs-20.04.2/ffmpegthumbnailer.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer.cpp Examining data/ffmpegthumbs-20.04.2/tests/ffmpegthumbtest.cpp Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/videoframe.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/videothumbnailer.cpp Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/moviedecoder.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/imagewriter.cpp Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/moviedecoder.cpp Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/imagewriter.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/videothumbnailer.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/ifilter.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/filmstripfilter.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/histogram.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/filmstrip.h Examining data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/filmstripfilter.cpp FINAL RESULTS: data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/imagewriter.cpp:35:9: [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(previewImage.scanLine(y), &frame.frameData[y*frame.lineSize], frame.width*3); data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/moviedecoder.cpp:354:5: [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(m_filterFrame->data, src->data, sizeof(src->data)); data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/moviedecoder.cpp:355:5: [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(m_filterFrame->linesize, src->linesize, sizeof(src->linesize)); data/ffmpegthumbs-20.04.2/ffmpegthumbnailer/moviedecoder.cpp:392:5: [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((&(videoFrame.frameData.front())), m_pFrame->data[0], videoFrame.lineSize * videoFrame.height); ANALYSIS SUMMARY: Hits = 4 Lines analyzed = 1916 in approximately 0.12 seconds (15343 lines/second) Physical Source Lines of Code (SLOC) = 1438 Hits@level = [0] 0 [1] 0 [2] 4 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 4 [1+] 4 [2+] 4 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 2.78164 [1+] 2.78164 [2+] 2.78164 [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.