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/pylibtiff-0.4.2/libtiff/src/bittools.c Examining data/pylibtiff-0.4.2/libtiff/src/tif_lzw.c FINAL RESULTS: data/pylibtiff-0.4.2/libtiff/src/tif_lzw.c:887:5: [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(PyArray_DATA((PyArrayObject*)arr), (DATA), dims[0]); \ data/pylibtiff-0.4.2/libtiff/src/tif_lzw.c:1288:4: [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((char*)PyArray_DATA((PyArrayObject*)result) + j, PyArray_DATA((PyArrayObject*)item), PyArray_NBYTES((PyArrayObject*)item)); ANALYSIS SUMMARY: Hits = 2 Lines analyzed = 1580 in approximately 0.08 seconds (20970 lines/second) Physical Source Lines of Code (SLOC) = 1064 Hits@level = [0] 1 [1] 0 [2] 2 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 3 [1+] 2 [2+] 2 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 2.81955 [1+] 1.8797 [2+] 1.8797 [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.