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.