Security: py-pdf/pypdf
Security Advisories
View known security vulnerabilities and report new vulnerabilities privately to maintainers.
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Possible long runtimes/large memory usage when retrieving outlinesGHSA-23w6-3w8w-8484 published
Aug 14, 2026 by stefan6419846Moderate -
Possible long runtimes/large memory usage when extracting XForm objectsGHSA-763m-79hh-57f2 published
Aug 14, 2026 by stefan6419846Moderate -
Possible infinite loop for TreeObject.insert_childGHSA-jp53-mhqp-8xcg published
Aug 13, 2026 by stefan6419846Moderate -
Inefficient handling of non-whitespace inputs in read_until_whitespaceGHSA-fc8x-2rww-xw9m published
Aug 6, 2026 by stefan6419846Moderate -
Possible long runtimes/large memory usage for large CID font width rangesGHSA-fwg2-594c-jp42 published
Aug 6, 2026 by stefan6419846Moderate -
Possible large memory usage for large /ToUnicode streams (Follow-up)GHSA-fp3f-mc75-235c published
Aug 6, 2026 by stefan6419846Moderate -
Possible infinite loop for not terminated inline images (ASCII85 and ASCIIHex filter)GHSA-g867-7843-wf8q published
Jun 23, 2026 by stefan6419846Moderate -
Possible infinite loop for not terminated inline imagesGHSA-5xf7-4p34-54qr published
Jun 23, 2026 by stefan6419846Moderate -
Possible long runtimes for repeated malformed cross-reference entriesGHSA-55h5-xmcq-c37v published
Jun 22, 2026 by stefan6419846Moderate -
Possible large memory usage for wrong image dimensionsGHSA-5qjq-93h5-hrgp published
Jun 22, 2026 by stefan6419846Moderate