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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2020/12/14 16:52:28 UTC

svn commit: r1884425 - /pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/cmap/CMapParser.java

Author: tilman
Date: Mon Dec 14 16:52:27 2020
New Revision: 1884425

URL: http://svn.apache.org/viewvc?rev=1884425&view=rev
Log:
PDFBOX-4892: avoid ArrayIndexOutOfBoundsException

Modified:
    pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/cmap/CMapParser.java

Modified: pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/cmap/CMapParser.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/cmap/CMapParser.java?rev=1884425&r1=1884424&r2=1884425&view=diff
==============================================================================
--- pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/cmap/CMapParser.java (original)
+++ pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/cmap/CMapParser.java Mon Dec 14 16:52:27 2020
@@ -576,6 +576,11 @@ public class CMapParser
                     if (multiplyer == 16)
                     {
                         bufferIndex++;
+                        if (bufferIndex >= tokenParserByteBuffer.length)
+                        {
+                            throw new IOException("cmap token ist larger than buffer size " +
+                                    tokenParserByteBuffer.length);
+                        }
                         tokenParserByteBuffer[bufferIndex] = 0;
                         multiplyer = 1;
                     }