diff --git a/bower.json b/bower.json
index bfdb5c20d..b5bdb6b2e 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.284",
+  "version": "1.0.286",
   "keywords": [
     "Mozilla",
     "pdf",
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index e416adbd3..9d954c7de 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.284';
-PDFJS.build = '5ded0ea';
+PDFJS.version = '1.0.286';
+PDFJS.build = '3acf570';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -22668,8 +22668,8 @@ var CMap = (function CMapClosure() {
     },
 
     mapRangeToArray: function(low, high, array) {
-      var i = 0;
-      while (low <= high) {
+      var i = 0, ii = array.length;
+      while (low <= high && i < ii) {
         this.map[low] = array[i++];
         ++low;
       }
diff --git a/build/pdf.js b/build/pdf.js
index d3f9c6c1e..eb011d1f5 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.284';
-PDFJS.build = '5ded0ea';
+PDFJS.version = '1.0.286';
+PDFJS.build = '3acf570';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index 84ea90db8..5bc7c0b59 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.284';
-PDFJS.build = '5ded0ea';
+PDFJS.version = '1.0.286';
+PDFJS.build = '3acf570';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -18161,8 +18161,8 @@ var CMap = (function CMapClosure() {
     },
 
     mapRangeToArray: function(low, high, array) {
-      var i = 0;
-      while (low <= high) {
+      var i = 0, ii = array.length;
+      while (low <= high && i < ii) {
         this.map[low] = array[i++];
         ++low;
       }
diff --git a/package.json b/package.json
index 19965036e..a8e92ba27 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.284",
+  "version": "1.0.286",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",