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/libevent-perl-1.27/c/ev.c Examining data/libevent-perl-1.27/c/timer.c Examining data/libevent-perl-1.27/c/queue.c Examining data/libevent-perl-1.27/c/watcher.c Examining data/libevent-perl-1.27/c/io.c Examining data/libevent-perl-1.27/c/timeable.c Examining data/libevent-perl-1.27/c/group.c Examining data/libevent-perl-1.27/c/hook.c Examining data/libevent-perl-1.27/c/tied.c Examining data/libevent-perl-1.27/c/unix.c Examining data/libevent-perl-1.27/c/typemap.c Examining data/libevent-perl-1.27/c/var.c Examining data/libevent-perl-1.27/c/idle.c Examining data/libevent-perl-1.27/c/generic.c Examining data/libevent-perl-1.27/c/signal.c Examining data/libevent-perl-1.27/ppport.h Examining data/libevent-perl-1.27/Event.h Examining data/libevent-perl-1.27/lib/Event/EventAPI.h FINAL RESULTS: data/libevent-perl-1.27/c/ev.c:353:5: [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(vt, &event_vtbl, sizeof(pe_event_vtbl)); data/libevent-perl-1.27/c/ev.c:360:5: [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(vt, &event_vtbl, sizeof(pe_event_vtbl)); data/libevent-perl-1.27/c/generic.c:89:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/group.c:150:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/idle.c:130:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/io.c:222:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/signal.c:164:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/tied.c:97:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/timer.c:86:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); data/libevent-perl-1.27/c/unix.c:26:21: [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). if ((dpfd = open("/dev/poll", O_RDWR)) < 0) { data/libevent-perl-1.27/c/unix.c:411:2: [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(&rfds, &Rfds, sizeof(fd_set)); data/libevent-perl-1.27/c/unix.c:412:2: [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(&wfds, &Wfds, sizeof(fd_set)); data/libevent-perl-1.27/c/unix.c:413:2: [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(&efds, &Efds, sizeof(fd_set)); data/libevent-perl-1.27/c/var.c:171:5: [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(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); ANALYSIS SUMMARY: Hits = 14 Lines analyzed = 3721 in approximately 0.12 seconds (32230 lines/second) Physical Source Lines of Code (SLOC) = 3037 Hits@level = [0] 5 [1] 0 [2] 14 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 19 [1+] 14 [2+] 14 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 6.25617 [1+] 4.60981 [2+] 4.60981 [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.