From 5f94129ca5b59adcab22060ce1092f8bc05c8a21 Mon Sep 17 00:00:00 2001
From: Tilman Hausherr <tilman@apache.org>
Date: Thu, 21 Nov 2024 14:45:20 +0000
Subject: [PATCH] PDFBOX-5906: ignore isolated +

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1921994 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/pdfbox/pdfparser/PDFStreamParser.java     | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFStreamParser.java b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFStreamParser.java
index 91196d20669..117c913e0e3 100644
--- a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFStreamParser.java
+++ b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFStreamParser.java
@@ -222,7 +222,14 @@ else if( next.equals( "false" ) )
                         dotNotRead = false;
                     }
                 }
-                return COSNumber.get(buf.toString());
+                String s = buf.toString();
+                if ("+".equals(s))
+                {
+                    // PDFBOX-5906
+                    LOG.warn("isolated '+' is ignored");
+                    return COSNull.NULL;
+                }
+                return COSNumber.get(s);
             case 'B':
                 String nextOperator = readString();
                 Operator beginImageOP = Operator.getOperator(nextOperator);