pypdf vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

Browse by ecosystem

npm PyPI Maven Go RubyGems Cargo NuGet Composer pub Swift GitHub Actions

CVE-IDSeverityPackage summary

CVE-2026-22690Lowpypdf: pypdf has possible long runtimes for missing /Root object with large /Size values CVE-2025-66019Mediumpypdf: pypdf's LZWDecode streams be manipulated to exhaust RAM CVE-2025-62708Mediumpypdf: pypdf can exhaust RAM via manipulated LZWDecode streams CVE-2025-62707Mediumpypdf: pypdf possibly loops infinitely when reading DCT inline images without EOF marker CVE-2025-55197Mediumpypdf: PyPDF's Manipulated FlateDecode streams can exhaust RAM CVE-2023-46250Mediumpypdf: Possible Infinite Loop when PdfWriter(clone_from) is used with a PDF CVE-2023-36464Mediumpypdf: pypdf and PyPDF2 possible Infinite Loop when a comment isn't followed by a character

Stop the waste.
Protect your environment with Kodem.

Get a personalized demo

Get a personalized demo