From 80ca04ddcc82b9ca56ace35168c2ee159b553a2a Mon Sep 17 00:00:00 2001
From: "valery.bokov" <vlry.bkv@gmail.com>
Date: Sat, 29 Aug 2026 19:38:28 +0200
Subject: [PATCH] fix tiff parsing in CCITTFactory.extractFromTiff method

---
 .../apache/pdfbox/pdmodel/graphics/image/CCITTFactory.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/image/CCITTFactory.java b/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/image/CCITTFactory.java
index e25d667af3c..88e168cbc9c 100644
--- a/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/image/CCITTFactory.java
+++ b/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/image/CCITTFactory.java
@@ -409,6 +409,12 @@ private static void extractFromTiff(RandomAccessRead reader,
                     {
                         throw new IOException("CCITT Group 3 'fill bits before EOL' is not supported");
                     }
+                    if ((val & 8) != 0)
+                    {
+                        // rows are byte-aligned; the copied compressed stream keeps that
+                        // alignment, so the PDF decoder must be told about it too
+                        params.setBoolean(COSName.ENCODED_BYTE_ALIGN, true);
+                    }
                     break;
                 }
                 case 324: