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/libsquish-1.15/alpha.cpp Examining data/libsquish-1.15/clusterfit.cpp Examining data/libsquish-1.15/colourblock.cpp Examining data/libsquish-1.15/colourfit.cpp Examining data/libsquish-1.15/colourset.cpp Examining data/libsquish-1.15/maths.cpp Examining data/libsquish-1.15/rangefit.cpp Examining data/libsquish-1.15/singlecolourfit.cpp Examining data/libsquish-1.15/squish.cpp Examining data/libsquish-1.15/alpha.h Examining data/libsquish-1.15/clusterfit.h Examining data/libsquish-1.15/colourblock.h Examining data/libsquish-1.15/colourfit.h Examining data/libsquish-1.15/colourset.h Examining data/libsquish-1.15/maths.h Examining data/libsquish-1.15/rangefit.h Examining data/libsquish-1.15/singlecolourfit.h Examining data/libsquish-1.15/squish.h Examining data/libsquish-1.15/config.h Examining data/libsquish-1.15/simd.h Examining data/libsquish-1.15/simd_float.h Examining data/libsquish-1.15/simd_sse.h Examining data/libsquish-1.15/simd_ve.h Examining data/libsquish-1.15/extra/squishgen.cpp Examining data/libsquish-1.15/extra/squishpng.cpp Examining data/libsquish-1.15/extra/squishtest.cpp FINAL RESULTS: data/libsquish-1.15/extra/squishpng.cpp:252:16: [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). File file( fopen( fileName.c_str(), "rb" ) ); data/libsquish-1.15/extra/squishpng.cpp:376:16: [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). File file( fopen( fileName.c_str(), "wb" ) ); ANALYSIS SUMMARY: Hits = 2 Lines analyzed = 4598 in approximately 0.14 seconds (32429 lines/second) Physical Source Lines of Code (SLOC) = 2728 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+] 1.09971 [1+] 0.733138 [2+] 0.733138 [3+] 0 [4+] 0 [5+] 0 Dot directories skipped = 4 (--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.