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/gd4o-1.0~alpha5/gdstubs.c FINAL RESULTS: data/gd4o-1.0~alpha5/gdstubs.c:182:8: [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). in = fopen(String_val(filename), "rb"); data/gd4o-1.0~alpha5/gdstubs.c:220:8: [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). in = fopen(String_val(filename), "rb"); data/gd4o-1.0~alpha5/gdstubs.c:730:9: [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). out = fopen(String_val(filename), "wb"); data/gd4o-1.0~alpha5/gdstubs.c:741:9: [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). out = fopen(String_val(filename), "wb"); ANALYSIS SUMMARY: Hits = 4 Lines analyzed = 1009 in approximately 0.08 seconds (12672 lines/second) Physical Source Lines of Code (SLOC) = 781 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+] 5.12164 [1+] 5.12164 [2+] 5.12164 [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.