Reject tags longer than 4 chars in hb_feature_from_string()

2014-07-25 11:39:55 -04:00 · 2014-07-25 11:39:55 -04:00 · f4fe9baefd
commit f4fe9baefd
parent 7e8c389546
1 changed files with 1 additions and 1 deletions
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@ -104,7 +104,7 @@ parse_feature_tag (const char **pp, const char *end, hb_feature_t *feature)
    (*pp)++;
 #undef ISALNUM

-  if (p == *pp)
+  if (p == *pp || *pp - p > 4)
    return false;

  feature->tag = hb_tag_from_string (p, *pp - p);