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BUG: infinite loop on damaged pdf file #2877

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pubpub-zz opened this issue Sep 27, 2024 · 3 comments · Fixed by #2878
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BUG: infinite loop on damaged pdf file #2877

pubpub-zz opened this issue Sep 27, 2024 · 3 comments · Fixed by #2878

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@pubpub-zz
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          (for issue creation/tracking)

Note : With the latest dev build

an infinite loop occurs when getting number of pages
https://github.com/user-attachments/files/17162634/7f40cb209fb97d1782bffcefc5e7be40.pdf

Originally posted by @pubpub-zz in #2876 (comment)
@pubpub-zz
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the pdf contains some dictionnaries where the << and >> are not balanced. this creates an infinite loop when parsing file

pubpub-zz added a commit to pubpub-zz/pypdf that referenced this issue Sep 27, 2024
@pubpub-zz
BUG: Cope with unbalanced delimiters in dictionnary object
18fb007 
closes py-pdf#2877
@pubpub-zz pubpub-zz mentioned this issue Sep 27, 2024
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@stefan6419846
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How is this different from #2876?

@pubpub-zz
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from my understanding, #2876 deals with memory. Here, the infinite has been generated because of #2872.
maybe at the end the fix will cover both.

@JaMe76 JaMe76 mentioned this issue Sep 27, 2024
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BUG: Cope with unbalanced delimiters in dictionary object pubpub-zz/pypdf
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@pubpub-zz @stefan6419846