diff --git a/itext.tests/itext.kernel.tests/itext/kernel/utils/PdfMergerTest.cs b/itext.tests/itext.kernel.tests/itext/kernel/utils/PdfMergerTest.cs
index 116ab5a49c..4d378d6d0e 100644
--- a/itext.tests/itext.kernel.tests/itext/kernel/utils/PdfMergerTest.cs
+++ b/itext.tests/itext.kernel.tests/itext/kernel/utils/PdfMergerTest.cs
@@ -84,6 +84,24 @@ public virtual void MergeDocumentOutlinesWithNullDestinationTest01() {
                 , destinationFolder, "diff_"));
         }
 
+        [NUnit.Framework.Test]
+        [LogMessage(iText.IO.Logs.IoLogMessageConstant.SOURCE_DOCUMENT_HAS_ACROFORM_DICTIONARY)]
+        public virtual void MergeDocumentOutlinesWithExplicitRemoteDestinationTest() {
+            String resultFile = destinationFolder + "mergeDocumentWithRemoteGoToTest.pdf";
+            String filename1 = sourceFolder + "docWithRemoteGoTo.pdf";
+            String filename2 = sourceFolder + "doc1.pdf";
+            PdfDocument sourceDocument1 = new PdfDocument(new PdfReader(filename1));
+            PdfDocument sourceDocument2 = new PdfDocument(new PdfReader(filename2));
+            PdfMerger resultDocument = new PdfMerger(new PdfDocument(CompareTool.CreateTestPdfWriter(resultFile)));
+            resultDocument.Merge(sourceDocument1, 1, 1);
+            resultDocument.Merge(sourceDocument2, 1, 1);
+            resultDocument.Close();
+            sourceDocument1.Close();
+            sourceDocument2.Close();
+            NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(resultFile, sourceFolder + "cmp_mergeDocumentWithRemoteGoToTest.pdf"
+                , destinationFolder, "diff_"));
+        }
+
         [NUnit.Framework.Test]
         public virtual void MergeDocumentWithCycleRefInAcroFormTest() {
             String filename1 = sourceFolder + "doc1.pdf";
diff --git a/itext.tests/itext.kernel.tests/resources/itext/kernel/utils/PdfMergerTest/cmp_mergeDocumentWithRemoteGoToTest.pdf b/itext.tests/itext.kernel.tests/resources/itext/kernel/utils/PdfMergerTest/cmp_mergeDocumentWithRemoteGoToTest.pdf
new file mode 100644
index 0000000000..15b15e3b5d
Binary files /dev/null and b/itext.tests/itext.kernel.tests/resources/itext/kernel/utils/PdfMergerTest/cmp_mergeDocumentWithRemoteGoToTest.pdf differ
diff --git a/itext.tests/itext.kernel.tests/resources/itext/kernel/utils/PdfMergerTest/docWithRemoteGoTo.pdf b/itext.tests/itext.kernel.tests/resources/itext/kernel/utils/PdfMergerTest/docWithRemoteGoTo.pdf
new file mode 100644
index 0000000000..bbf7a0674a
Binary files /dev/null and b/itext.tests/itext.kernel.tests/resources/itext/kernel/utils/PdfMergerTest/docWithRemoteGoTo.pdf differ
diff --git a/itext.tests/itext.layout.tests/itext/layout/AlignmentTest.cs b/itext.tests/itext.layout.tests/itext/layout/AlignmentTest.cs
index 6f2c7aeeac..452f0bfdd1 100644
--- a/itext.tests/itext.layout.tests/itext/layout/AlignmentTest.cs
+++ b/itext.tests/itext.layout.tests/itext/layout/AlignmentTest.cs
@@ -45,6 +45,9 @@ public class AlignmentTest : ExtendedITextTest {
         private static readonly String DESTINATION_FOLDER = NUnit.Framework.TestContext.CurrentContext.TestDirectory
              + "/test/itext/layout/AlignmentTest/";
 
+        private static readonly String FONTS_FOLDER = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
+            .CurrentContext.TestDirectory) + "/resources/itext/layout/fonts/";
+
         [NUnit.Framework.OneTimeSetUp]
         public static void BeforeClass() {
             CreateOrClearDestinationFolder(DESTINATION_FOLDER);
@@ -519,6 +522,23 @@ public virtual void FlexItemHorizontalAlignmentTest() {
                 , "diff"));
         }
 
+        [NUnit.Framework.Test]
+        public virtual void JustifiedAlignmentWithZeroFreeSpaceTest() {
+            String outFileName = DESTINATION_FOLDER + "justifiedAlignmentWithZeroFreeSpaceTest.pdf";
+            String cmpFileName = SOURCE_FOLDER + "cmp_justifiedAlignmentWithZeroFreeSpaceTest.pdf";
+            using (PdfDocument pdfDoc = new PdfDocument(new PdfWriter(outFileName))) {
+                Document document = new Document(pdfDoc);
+                PdfFont font = PdfFontFactory.CreateFont(FONTS_FOLDER + "NotoSansCJKjp-Regular.otf");
+                Text t1 = new Text("期期期").SetFont(font);
+                Text t2 = new Text("期期期").SetFont(font);
+                Paragraph p = new Paragraph(t1).Add(t2).SetSpacingRatio(1).SetWidth(60).SetTextAlignment(TextAlignment.JUSTIFIED
+                    );
+                document.Add(p);
+            }
+            NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outFileName, cmpFileName, DESTINATION_FOLDER
+                , "diff"));
+        }
+
         private static void CreateDocumentWithInlineAlignment(String outPdf, String cmpPdf, InlineVerticalAlignmentType?
              verticalAlignment1) {
             CreateDocumentWithInlineAlignment(outPdf, cmpPdf, verticalAlignment1, null);
diff --git a/itext.tests/itext.layout.tests/resources/itext/layout/AlignmentTest/cmp_justifiedAlignmentWithZeroFreeSpaceTest.pdf b/itext.tests/itext.layout.tests/resources/itext/layout/AlignmentTest/cmp_justifiedAlignmentWithZeroFreeSpaceTest.pdf
new file mode 100644
index 0000000000..6f18d61daf
Binary files /dev/null and b/itext.tests/itext.layout.tests/resources/itext/layout/AlignmentTest/cmp_justifiedAlignmentWithZeroFreeSpaceTest.pdf differ
diff --git a/itext/itext.kernel/itext/kernel/pdf/PdfCatalog.cs b/itext/itext.kernel/itext/kernel/pdf/PdfCatalog.cs
index c566b3ccb7..9536cd3253 100644
--- a/itext/itext.kernel/itext/kernel/pdf/PdfCatalog.cs
+++ b/itext/itext.kernel/itext/kernel/pdf/PdfCatalog.cs
@@ -780,14 +780,14 @@ internal virtual PdfDestination CopyDestination(PdfObject dest, IDictionary<PdfP
             PdfDestination d = null;
             if (dest.IsArray()) {
                 PdfObject pageObject = ((PdfArray)dest).Get(0);
-                foreach (PdfPage oldPage in page2page.Keys) {
-                    if (oldPage.GetPdfObject() == pageObject) {
-                        // in the copiedArray old page ref will be correctly replaced by the new page ref
-                        // as this page is already copied
-                        PdfArray copiedArray = (PdfArray)dest.CopyTo(toDocument, false, NullCopyFilter.GetInstance());
-                        d = new PdfExplicitDestination(copiedArray);
-                        break;
-                    }
+                //12.3.2.2 Explicit destinations
+                if (pageObject.IsNumber()) {
+                    //Handle remote and embedded destinations
+                    d = CreateDestinationFromPageNum(dest, toDocument);
+                }
+                else {
+                    //Handle all other destinations
+                    d = CreateDestinationFromPageRef(dest, page2page, toDocument, pageObject);
                 }
             }
             else {
@@ -840,6 +840,23 @@ internal virtual PdfDictionary FillAndGetOcPropertiesDictionary() {
         }
 //\endcond
 
+        private PdfDestination CreateDestinationFromPageNum(PdfObject dest, PdfDocument toDocument) {
+            return new PdfExplicitDestination((PdfArray)dest.CopyTo(toDocument, false, NullCopyFilter.GetInstance()));
+        }
+
+        private static PdfDestination CreateDestinationFromPageRef(PdfObject dest, IDictionary<PdfPage, PdfPage> page2page
+            , PdfDocument toDocument, PdfObject pageObject) {
+            foreach (PdfPage oldPage in page2page.Keys) {
+                if (oldPage.GetPdfObject() == pageObject) {
+                    // in the copiedArray old page ref will be correctly replaced by the new page ref
+                    // as this page is already copied
+                    PdfArray copiedArray = (PdfArray)dest.CopyTo(toDocument, false, NullCopyFilter.GetInstance());
+                    return new PdfExplicitDestination(copiedArray);
+                }
+            }
+            return null;
+        }
+
         private bool IsEqualSameNameDestExist(IDictionary<PdfPage, PdfPage> page2page, PdfDocument toDocument, PdfString
              srcDestName, PdfArray srcDestArray, PdfPage oldPage) {
             PdfArray sameNameDest = (PdfArray)toDocument.GetCatalog().GetNameTree(PdfName.Dests).GetNames().Get(srcDestName
diff --git a/itext/itext.layout/itext/layout/renderer/LineRenderer.cs b/itext/itext.layout/itext/layout/renderer/LineRenderer.cs
index 7774be49b3..39af7ad3a4 100644
--- a/itext/itext.layout/itext/layout/renderer/LineRenderer.cs
+++ b/itext/itext.layout/itext/layout/renderer/LineRenderer.cs
@@ -729,7 +729,7 @@ public virtual void Justify(float width) {
             int baseCharsCount = BaseCharactersCount();
             float baseFactor = freeWidth / (ratio * numberOfSpaces + (1 - ratio) * (baseCharsCount - 1));
             //Prevent a NaN when trying to justify a single word with spacing_ratio == 1.0
-            if (float.IsInfinity(baseFactor)) {
+            if (float.IsInfinity(baseFactor) || float.IsNaN(baseFactor)) {
                 baseFactor = 0;
             }
             float wordSpacing = ratio * baseFactor;
diff --git a/port-hash b/port-hash
index 1c918581c7..94e18e2fbf 100644
--- a/port-hash
+++ b/port-hash
@@ -1 +1 @@
-a390afa1f077eb736e61e6d66d74a7f35354e0e4
+238107cd5532d937fc246b97f60c8f1599786f9d