[jira] [Commented] (PDFBOX-4623) COSParser: Infinite recursion

2022-01-16 Thread ASF subversion and git services (Jira) 


[ 
https://issues.apache.org/jira/browse/PDFBOX-4623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17476774#comment-17476774
 ] 

ASF subversion and git services commented on PDFBOX-4623:
-

Commit 1897120 from le...@apache.org in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1897120 ]

PDFBOX-4623: mark indirect objects if dereferencing them is in progress to 
detect a possible recursion and to avoid a stack overflow

> COSParser: Infinite recursion
> -
>
> Key: PDFBOX-4623
> URL: https://issues.apache.org/jira/browse/PDFBOX-4623
> Project: PDFBox
>  Issue Type: Bug
>  Components: Parsing
>Affects Versions: 2.0.25, 3.0.0 PDFBox
> Environment: java version "12" 2019-03-19
> Java(TM) SE Runtime Environment (build 12+33)
> Java HotSpot(TM) 64-Bit Server VM (build 12+33, mixed mode, sharing) 
> MacOS Mojave
>Reporter: Alex Rebert
>Assignee: Andreas Lehmkühler
>Priority: Minor
> Fix For: 2.0.26, 3.0.0 PDFBox
>
> Attachments: infinite-recursion.pdf, loop_in_page_tree.pdf, 
> poppler-43279-0.pdf, poppler-91414-1.zip-2.gz-53.pdf
>
>
> Parsing an invalid PDF can lead to an infinite recursion in COSParser, which 
> results in a StackOverflowError.
> *Steps to repro*
>  # Download malformed PDF (attached)
>  # {{Run: java -jar pdfbox-app-2.0.16.jar ExtractText infinite-recursion.pdf}}
> *Stacktrace*
> {noformat}
> Exception in thread "main" java.lang.StackOverflowError [1005/1916]
>  at java.base/sun.nio.cs.UTF_8.updatePositions(UTF_8.java:79)
>  at java.base/sun.nio.cs.UTF_8$Decoder.xflow(UTF_8.java:210)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeArrayLoop(UTF_8.java:321)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeLoop(UTF_8.java:414)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:578)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:801)
>  at org.apache.pdfbox.pdfparser.BaseParser.isValidUTF8(BaseParser.java:787)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseCOSName(BaseParser.java:768)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:887)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:867)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:912)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  ...
> {noformat}
> The file was generated by fuzzing and is (probably) not a valid PDF file.
>  



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[jira] [Commented] (PDFBOX-4623) COSParser: Infinite recursion

2020-12-31 Thread Jira 


[ 
https://issues.apache.org/jira/browse/PDFBOX-4623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17256975#comment-17256975
 ] 

Andreas Lehmkühler commented on PDFBOX-4623:


I've found a fix for  [^infinite-recursion.pdf].  [^loop_in_page_tree.pdf] and  
[^poppler-43279-0.pdf]  need a different fix therefore I've created a new 
ticket for those issues.  [^poppler-91414-1.zip-2.gz-53.pdf] doesn't trigger an 
exception at all.

All I said is true for 3.0.0 and I'm afraid there won't be any fix for the 
2.0.x-branch.

> COSParser: Infinite recursion
> -
>
> Key: PDFBOX-4623
> URL: https://issues.apache.org/jira/browse/PDFBOX-4623
> Project: PDFBox
>  Issue Type: Bug
>  Components: Parsing
>Affects Versions: 2.0.16
> Environment: java version "12" 2019-03-19
> Java(TM) SE Runtime Environment (build 12+33)
> Java HotSpot(TM) 64-Bit Server VM (build 12+33, mixed mode, sharing) 
> MacOS Mojave
>Reporter: Alex Rebert
>Assignee: Andreas Lehmkühler
>Priority: Minor
> Fix For: 3.0.0 PDFBox
>
> Attachments: infinite-recursion.pdf, loop_in_page_tree.pdf, 
> poppler-43279-0.pdf, poppler-91414-1.zip-2.gz-53.pdf
>
>
> Parsing an invalid PDF can lead to an infinite recursion in COSParser, which 
> results in a StackOverflowError.
> *Steps to repro*
>  # Download malformed PDF (attached)
>  # {{Run: java -jar pdfbox-app-2.0.16.jar ExtractText infinite-recursion.pdf}}
> *Stacktrace*
> {noformat}
> Exception in thread "main" java.lang.StackOverflowError [1005/1916]
>  at java.base/sun.nio.cs.UTF_8.updatePositions(UTF_8.java:79)
>  at java.base/sun.nio.cs.UTF_8$Decoder.xflow(UTF_8.java:210)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeArrayLoop(UTF_8.java:321)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeLoop(UTF_8.java:414)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:578)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:801)
>  at org.apache.pdfbox.pdfparser.BaseParser.isValidUTF8(BaseParser.java:787)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseCOSName(BaseParser.java:768)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:887)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:867)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:912)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  ...
> {noformat}
> The file was generated by fuzzing and is (probably) not a valid PDF file.
>  



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[jira] [Commented] (PDFBOX-4623) COSParser: Infinite recursion

2020-12-31 Thread ASF subversion and git services (Jira) 


[ 
https://issues.apache.org/jira/browse/PDFBOX-4623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17256974#comment-17256974
 ] 

ASF subversion and git services commented on PDFBOX-4623:
-

Commit 1884987 from le...@apache.org in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1884987 ]

PDFBOX-4623: avoid endless recursion if something went wrong when dereferencing 
the referenced object

> COSParser: Infinite recursion
> -
>
> Key: PDFBOX-4623
> URL: https://issues.apache.org/jira/browse/PDFBOX-4623
> Project: PDFBox
>  Issue Type: Bug
>  Components: Parsing
>Affects Versions: 2.0.16
> Environment: java version "12" 2019-03-19
> Java(TM) SE Runtime Environment (build 12+33)
> Java HotSpot(TM) 64-Bit Server VM (build 12+33, mixed mode, sharing) 
> MacOS Mojave
>Reporter: Alex Rebert
>Assignee: Andreas Lehmkühler
>Priority: Minor
> Fix For: 3.0.0 PDFBox
>
> Attachments: infinite-recursion.pdf, loop_in_page_tree.pdf, 
> poppler-43279-0.pdf, poppler-91414-1.zip-2.gz-53.pdf
>
>
> Parsing an invalid PDF can lead to an infinite recursion in COSParser, which 
> results in a StackOverflowError.
> *Steps to repro*
>  # Download malformed PDF (attached)
>  # {{Run: java -jar pdfbox-app-2.0.16.jar ExtractText infinite-recursion.pdf}}
> *Stacktrace*
> {noformat}
> Exception in thread "main" java.lang.StackOverflowError [1005/1916]
>  at java.base/sun.nio.cs.UTF_8.updatePositions(UTF_8.java:79)
>  at java.base/sun.nio.cs.UTF_8$Decoder.xflow(UTF_8.java:210)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeArrayLoop(UTF_8.java:321)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeLoop(UTF_8.java:414)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:578)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:801)
>  at org.apache.pdfbox.pdfparser.BaseParser.isValidUTF8(BaseParser.java:787)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseCOSName(BaseParser.java:768)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:887)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:867)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:912)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  ...
> {noformat}
> The file was generated by fuzzing and is (probably) not a valid PDF file.
>  



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[jira] [Commented] (PDFBOX-4623) COSParser: Infinite recursion

2020-02-14 Thread Tim Allison (Jira) 


[ 
https://issues.apache.org/jira/browse/PDFBOX-4623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17037202#comment-17037202
 ] 

Tim Allison commented on PDFBOX-4623:
-

Adding a page tree infinite loop.

> COSParser: Infinite recursion
> -
>
> Key: PDFBOX-4623
> URL: https://issues.apache.org/jira/browse/PDFBOX-4623
> Project: PDFBox
>  Issue Type: Bug
>  Components: Parsing
>Affects Versions: 2.0.16
> Environment: java version "12" 2019-03-19
> Java(TM) SE Runtime Environment (build 12+33)
> Java HotSpot(TM) 64-Bit Server VM (build 12+33, mixed mode, sharing) 
> MacOS Mojave
>Reporter: Alex Rebert
>Priority: Minor
> Attachments: infinite-recursion.pdf, loop_in_page_tree.pdf
>
>
> Parsing an invalid PDF can lead to an infinite recursion in COSParser, which 
> results in a StackOverflowError.
> *Steps to repro*
>  # Download malformed PDF (attached)
>  # {{Run: java -jar pdfbox-app-2.0.16.jar ExtractText infinite-recursion.pdf}}
> *Stacktrace*
> {noformat}
> Exception in thread "main" java.lang.StackOverflowError [1005/1916]
>  at java.base/sun.nio.cs.UTF_8.updatePositions(UTF_8.java:79)
>  at java.base/sun.nio.cs.UTF_8$Decoder.xflow(UTF_8.java:210)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeArrayLoop(UTF_8.java:321)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeLoop(UTF_8.java:414)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:578)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:801)
>  at org.apache.pdfbox.pdfparser.BaseParser.isValidUTF8(BaseParser.java:787)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseCOSName(BaseParser.java:768)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:887)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:867)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:912)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  ...
> {noformat}
> The file was generated by fuzzing and is (probably) not a valid PDF file.
>  



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[jira] [Commented] (PDFBOX-4623) COSParser: Infinite recursion

2019-08-06 Thread Tilman Hausherr (JIRA) 


[ 
https://issues.apache.org/jira/browse/PDFBOX-4623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16901337#comment-16901337
 ] 

Tilman Hausherr commented on PDFBOX-4623:
-

Probably this one 
{code}
3 0 obj
<< /Length 3 0 R
   /Filter /FlateDecode
>>
{code}


> COSParser: Infinite recursion
> -
>
> Key: PDFBOX-4623
> URL: https://issues.apache.org/jira/browse/PDFBOX-4623
> Project: PDFBox
>  Issue Type: Bug
>  Components: Parsing
>Affects Versions: 2.0.16
> Environment: java version "12" 2019-03-19
> Java(TM) SE Runtime Environment (build 12+33)
> Java HotSpot(TM) 64-Bit Server VM (build 12+33, mixed mode, sharing) 
> MacOS Mojave
>Reporter: Alex Rebert
>Priority: Minor
> Attachments: infinite-recursion.pdf
>
>
> Parsing an invalid PDF can lead to an infinite recursion in COSParser, which 
> results in a StackOverflowError.
> *Steps to repro*
>  # Download malformed PDF (attached)
>  # {{Run: java -jar pdfbox-app-2.0.16.jar ExtractText infinite-recursion.pdf}}
> *Stacktrace*
> {noformat}
> Exception in thread "main" java.lang.StackOverflowError [1005/1916]
>  at java.base/sun.nio.cs.UTF_8.updatePositions(UTF_8.java:79)
>  at java.base/sun.nio.cs.UTF_8$Decoder.xflow(UTF_8.java:210)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeArrayLoop(UTF_8.java:321)
>  at java.base/sun.nio.cs.UTF_8$Decoder.decodeLoop(UTF_8.java:414)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:578)
>  at java.base/java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:801)
>  at org.apache.pdfbox.pdfparser.BaseParser.isValidUTF8(BaseParser.java:787)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseCOSName(BaseParser.java:768)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:887)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
>  at org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:867)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:912)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:920)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:881)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:801)
>  at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1055)
>  at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:1114)
>  ...
> {noformat}
> The file was generated by fuzzing and is (probably) not a valid PDF file.
>  



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