From 07aa691fe022fec90629a903616c4a1a29562f63 Mon Sep 17 00:00:00 2001
From: notmasteryet <async.processingjs@yahoo.com>
Date: Tue, 11 Oct 2011 20:27:47 -0500
Subject: [PATCH] Fixing invalid CFF DICT entry (#621)

---
 fonts.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/fonts.js b/fonts.js
index 2ab3a90b7..4aa72eee0 100644
--- a/fonts.js
+++ b/fonts.js
@@ -2859,7 +2859,15 @@ var Type2CFF = (function type2CFF() {
         if (b <= 21) {
           if (b === 12) {
             ++pos;
-            var b = (b << 8) | dict[pos];
+            var op = dict[pos];
+            if ((op > 14 && op < 17) ||
+                (op > 23 && op < 30) || op > 38) {
+              warn('Invalid CFF dictionary key: ' + op);
+              // trying to replace it with initialRandomSeed
+              // to pass sanitizer
+              dict[pos] = 19;
+            }
+            var b = (b << 8) | op;
           }
           entries.push([b, operands]);
           operands = [];