Fix bug 389278: Add sanity check for backrefs to non-existing parenth…

…eses
mozilla · Nov 19, 2011 · c9005a1 · c9005a1
1 parent 404235c
commit c9005a1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/org/mozilla/javascript/regexp/NativeRegExp.java b/src/org/mozilla/javascript/regexp/NativeRegExp.java
@@ -1388,6 +1388,8 @@ such that Canonicalize(s[i]) is not the same character as
     {
         int len;
         int i;
+        if (gData.parens == null || parenIndex >= gData.parens.length)
+            return false;
         int parenContent = gData.parens_index(parenIndex);
         if (parenContent == -1)
             return true;