Prevent string overflow in chkfont suffix check

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
2015-10-11 11:57:35 -03:00 · 2015-10-11 11:57:35 -03:00 · 06bc99606b
commit 06bc99606b
parent 77226a564b
1 changed files with 1 additions and 0 deletions
--- a/chkfont.c
+++ b/chkfont.c
@ -83,6 +83,7 @@ char *suffix;
  char ucsuffix[10];
  char *s;

+  if (strlen(suffix) > 9) return 1;
  strcpy(ucsuffix,suffix);
  for (s = ucsuffix; *s; s++) {
    *s = toupper(*s);