Nixpkgs security tracker
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pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream
pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the changes from the patch manually.
References
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https://github.com/py-pdf/pypdf/security/advisories/GHSA-87mj-5ggw-8qc3 x_refsource_CONFIRM
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https://github.com/py-pdf/pypdf/pull/3693 x_refsource_MISC
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https://github.com/py-pdf/pypdf/releases/tag/6.9.2 x_refsource_MISC
Affected products
pypdf
- ==< 6.9.2
Matching in nixpkgs
pkgs.python313Packages.pypdf2
Pure-Python library built as a PDF toolkit
pkgs.python313Packages.pypdf3
Pure-Python library built as a PDF toolkit
pkgs.python314Packages.pypdf2
Pure-Python library built as a PDF toolkit
pkgs.python314Packages.pypdf3
Pure-Python library built as a PDF toolkit
Package maintainers
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@ambroisie Bruno BELANYI <bruno.nixpkgs@belanyi.fr>