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/guile-ssh-0.13.1/libguile-ssh/auth.c Examining data/guile-ssh-0.13.1/libguile-ssh/auth.h Examining data/guile-ssh-0.13.1/libguile-ssh/channel-func.c Examining data/guile-ssh-0.13.1/libguile-ssh/channel-func.h Examining data/guile-ssh-0.13.1/libguile-ssh/channel-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/channel-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/channel-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/common.c Examining data/guile-ssh-0.13.1/libguile-ssh/common.h Examining data/guile-ssh-0.13.1/libguile-ssh/error.c Examining data/guile-ssh-0.13.1/libguile-ssh/error.h Examining data/guile-ssh-0.13.1/libguile-ssh/key-func.c Examining data/guile-ssh-0.13.1/libguile-ssh/key-func.h Examining data/guile-ssh-0.13.1/libguile-ssh/key-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/key-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/key-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/log.c Examining data/guile-ssh-0.13.1/libguile-ssh/log.h Examining data/guile-ssh-0.13.1/libguile-ssh/message-func.c Examining data/guile-ssh-0.13.1/libguile-ssh/message-func.h Examining data/guile-ssh-0.13.1/libguile-ssh/message-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/message-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/message-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/server-func.c Examining data/guile-ssh-0.13.1/libguile-ssh/server-func.h Examining data/guile-ssh-0.13.1/libguile-ssh/server-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/server-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/server-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/session-func.c Examining data/guile-ssh-0.13.1/libguile-ssh/session-func.h Examining data/guile-ssh-0.13.1/libguile-ssh/session-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/session-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/session-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-file-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-file-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-file-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-session-func.c Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-session-func.h Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-session-main.c Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-session-type.c Examining data/guile-ssh-0.13.1/libguile-ssh/sftp-session-type.h Examining data/guile-ssh-0.13.1/libguile-ssh/threads.c Examining data/guile-ssh-0.13.1/libguile-ssh/threads.h Examining data/guile-ssh-0.13.1/libguile-ssh/version.c FINAL RESULTS: data/guile-ssh-0.13.1/libguile-ssh/log.c:272:3: [4] (format) vsnprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. vsnprintf (msg, MSG_SZ, fmt, arg); data/guile-ssh-0.13.1/libguile-ssh/log.c:321:3: [4] (format) vsnprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. vsnprintf (msg, MSG_SZ, fmt, arg); data/guile-ssh-0.13.1/libguile-ssh/log.c:82:5: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char tbuf[TBUF_SZ]; data/guile-ssh-0.13.1/libguile-ssh/log.c:105:3: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char date[TBUF_SZ] = {0}; data/guile-ssh-0.13.1/libguile-ssh/log.c:270:3: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char msg[MSG_SZ]; data/guile-ssh-0.13.1/libguile-ssh/log.c:319:3: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char msg[MSG_SZ]; data/guile-ssh-0.13.1/libguile-ssh/session-func.c:286:7: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char msg[BUFSZ]; ANALYSIS SUMMARY: Hits = 7 Lines analyzed = 6495 in approximately 0.20 seconds (32444 lines/second) Physical Source Lines of Code (SLOC) = 4021 Hits@level = [0] 2 [1] 0 [2] 5 [3] 0 [4] 2 [5] 0 Hits@level+ = [0+] 9 [1+] 7 [2+] 7 [3+] 2 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 2.23825 [1+] 1.74086 [2+] 1.74086 [3+] 0.497389 [4+] 0.497389 [5+] 0 Dot directories skipped = 2 (--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.