From fb5934f385ae5c92d81be4ef2bceb4f7f6a1b28a Mon Sep 17 00:00:00 2001
From: "valery.bokov" <vlry.bkv@gmail.com>
Date: Thu, 6 Nov 2025 14:59:22 +0100
Subject: [PATCH] make couple fileds final in-FlateFilterDecoderStream class

---
 .../org/apache/pdfbox/filter/FlateFilterDecoderStream.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/filter/FlateFilterDecoderStream.java b/pdfbox/src/main/java/org/apache/pdfbox/filter/FlateFilterDecoderStream.java
index 4bce09f6dbd..4b3ecba1317 100644
--- a/pdfbox/src/main/java/org/apache/pdfbox/filter/FlateFilterDecoderStream.java
+++ b/pdfbox/src/main/java/org/apache/pdfbox/filter/FlateFilterDecoderStream.java
@@ -41,8 +41,8 @@ public final class FlateFilterDecoderStream extends FilterInputStream
     private int currentDataIndex = 0;
     private int bytesDecoded = 0;
 
-    private byte[] buffer = new byte[2048];
-    private byte[] decodedData = new byte[4096];
+    private final byte[] buffer = new byte[2048];
+    private final byte[] decodedData = new byte[4096];
     // use nowrap mode to bypass zlib-header and checksum to avoid a DataFormatException
     private final Inflater inflater = new Inflater(true);