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/iraf-rvsao-2.8.3/Util/Old/units.h
Examining data/iraf-rvsao-2.8.3/Util/Old/funits.h
Examining data/iraf-rvsao-2.8.3/Util/Old/mwcs.h
Examining data/iraf-rvsao-2.8.3/Util/jdn.c
Examining data/iraf-rvsao-2.8.3/Util/bcvel.c
Examining data/iraf-rvsao-2.8.3/lib/contin.h
Examining data/iraf-rvsao-2.8.3/lib/emiss.h
Examining data/iraf-rvsao-2.8.3/lib/emv.h
Examining data/iraf-rvsao-2.8.3/lib/eqw.h
Examining data/iraf-rvsao-2.8.3/lib/rvsao0.h
Examining data/iraf-rvsao-2.8.3/lib/rvsao.h
Examining data/iraf-rvsao-2.8.3/lib/xcv.h

FINAL RESULTS:

data/iraf-rvsao-2.8.3/Util/Old/mwcs.h:49:55:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	MI_NLOGDIM	Memi[$1+12]		# dimension of logical system
data/iraf-rvsao-2.8.3/Util/Old/mwcs.h:63:48:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	WCS_NDIM	Memi[$1]		# dimension of world system
data/iraf-rvsao-2.8.3/Util/Old/mwcs.h:64:47:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	WCS_SYSTEM	Memi[$1+1]		# sbuf index of system name
data/iraf-rvsao-2.8.3/Util/Old/mwcs.h:105:47:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	CT_WCSI		Memi[$1+2]		# pointer back to system 1
data/iraf-rvsao-2.8.3/Util/Old/mwcs.h:106:47:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	CT_WCSO		Memi[$1+3]		# pointer back to system 2
data/iraf-rvsao-2.8.3/lib/rvsao.h:40:23:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	BCV		4	# Solar system barycentric correction
data/iraf-rvsao-2.8.3/lib/rvsao0.h:40:23:  [4] (shell) system:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
define	BCV		4	# Solar system barycentric correction
data/iraf-rvsao-2.8.3/lib/rvsao.h:118:37:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
# Aug  1 2003	2.3.3: Add ability to read first extension of multi-ext. FITS
data/iraf-rvsao-2.8.3/lib/rvsao0.h:118:37:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
# Aug  1 2003	2.3.3: Add ability to read first extension of multi-ext. FITS

ANALYSIS SUMMARY:

Hits = 9
Lines analyzed = 1258 in approximately 0.16 seconds (8008 lines/second)
Physical Source Lines of Code (SLOC) = 957
Hits@level = [0]   0 [1]   2 [2]   0 [3]   0 [4]   7 [5]   0
Hits@level+ = [0+]   9 [1+]   9 [2+]   7 [3+]   7 [4+]   7 [5+]   0
Hits/KSLOC@level+ = [0+] 9.40439 [1+] 9.40439 [2+] 7.31452 [3+] 7.31452 [4+] 7.31452 [5+]   0
Symlinks skipped = 1 (--allowlink overrides but see doc for security issue)
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.