diff --git a/CHANGELOG-2.0.md b/CHANGELOG-2.0.md
index 25e5a85e1b..e6642d20ca 100644
--- a/CHANGELOG-2.0.md
+++ b/CHANGELOG-2.0.md
@@ -7,6 +7,17 @@ in 2.0 minor versions.
 To get the diff for a specific change, go to https://github.com/symfony/symfony/commit/XXX where XXX is the change hash
 To get the diff between two versions, go to https://github.com/symfony/symfony/compare/v2.0.0...v2.0.1
 
+* 2.0.11 (2012-02-24)
+
+ * 3e64d36: [Serializer] Fix XML decoding attack vector through external entities
+ * 66d0d3d: [FrameworkBundle] Fix a bug in the RedirectableUrlMatcher
+ * 24a3cd3: Finder - allow sorting when searching in multiple directories
+ * 6e75fd1: Resolves issue with spl_autoload_register creating new copies of the container and passing that into the closure.
+ * d02ca25: [MonologBundle] Fixed a bug when adding a processor on a service handler
+ * 2434552: [Translation] Fixed fallback location if location is longer than three characters (possibly by mistake).
+ * ec7fb0b: [Routing] added a proper exception when a route pattern references the same variable more than once (closes #3344)
+ * beb4fc0: [WIP][Locale] StubIntlDateFormatter::parse was throwing exception instead of returning Boolean false like intl implementation
+
 * 2.0.10 (2012-02-06)
 
  * 8e13095: Fixed the unescaping of parameters to handle arrays
diff --git a/src/Symfony/Component/Finder/Finder.php b/src/Symfony/Component/Finder/Finder.php
index 7a1edfb1d9..ecf70b710d 100644
--- a/src/Symfony/Component/Finder/Finder.php
+++ b/src/Symfony/Component/Finder/Finder.php
@@ -502,7 +502,8 @@ class Finder implements \IteratorAggregate
         }
 
         if ($this->sort) {
-            $iterator = new Iterator\SortableIterator($iterator, $this->sort);
+            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
+            $iterator = $iteratorAggregate->getIterator();
         }
 
         return $iterator;
diff --git a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
index b4b3e65d08..3d531a01d9 100644
--- a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
+++ b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
@@ -54,7 +54,18 @@ class XmlEncoder extends SerializerAwareEncoder implements EncoderInterface, Dec
      */
     public function decode($data, $format)
     {
+        $internalErrors = libxml_use_internal_errors(true);
+        $disableEntities = libxml_disable_entity_loader(true);
+        libxml_clear_errors();
+
         $xml = simplexml_load_string($data);
+        libxml_use_internal_errors($internalErrors);
+        libxml_disable_entity_loader($disableEntities);
+
+        if ($error = libxml_get_last_error()) {
+            throw new UnexpectedValueException($error->message);
+        }
+
         if (!$xml->count()) {
             if (!$xml->attributes()) {
                 return (string) $xml;
diff --git a/tests/Symfony/Tests/Component/Serializer/Encoder/XmlEncoderTest.php b/tests/Symfony/Tests/Component/Serializer/Encoder/XmlEncoderTest.php
index b995defbc1..e6d4414c7e 100644
--- a/tests/Symfony/Tests/Component/Serializer/Encoder/XmlEncoderTest.php
+++ b/tests/Symfony/Tests/Component/Serializer/Encoder/XmlEncoderTest.php
@@ -9,6 +9,7 @@ use Symfony\Tests\Component\Serializer\Fixtures\Dummy;
 use Symfony\Tests\Component\Serializer\Fixtures\ScalarDummy;
 use Symfony\Component\Serializer\Encoder\XmlEncoder;
 use Symfony\Component\Serializer\Serializer;
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 use Symfony\Component\Serializer\Normalizer\CustomNormalizer;
 
 /*
@@ -244,6 +245,23 @@ class XmlEncoderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals($expected, $this->encoder->decode($source, 'xml'));
     }
 
+    /**
+     * @expectedException Symfony\Component\Serializer\Exception\UnexpectedValueException
+     */
+    public function testPreventsComplexExternalEntities()
+    {
+        $oldCwd = getcwd();
+        chdir(__DIR__);
+
+        try {
+            $decoded = $this->encoder->decode('<?xml version="1.0"?><!DOCTYPE scan[<!ENTITY test SYSTEM "php://filter/read=convert.base64-encode/resource=XmlEncoderTest.php">]><scan>&test;</scan>', 'xml');
+            chdir($oldCwd);
+        } catch (UnexpectedValueException $e) {
+            chdir($oldCwd);
+            throw $e;
+        }
+    }
+
     protected function getXmlSource()
     {
         return '<?xml version="1.0"?>'."\n".