Pypdf Project Pypdf vulnerabilities
52 published vulnerabilities in Pypdf Project Pypdf. The most were published in 2026 (45), and 45 so far in 2026.
Pypdf Project Pypdf vulnerabilities by year
2023
2025
2026
Most exploited Pypdf Project Pypdf vulnerabilities
- CVE-2026-102993 pypdf: Possible large memory usage when retrieving Roman page labels
- CVE-2026-102994 pypdf: Possible long runtimes/large memory usage when parsing indirect objects
- CVE-2026-102995 pypdf: Possible large memory usage for large /ToUnicode streams (Follow-up 2)
- CVE-2026-102996 pypdf: Possible large memory usage when parsing font data
- CVE-2026-102997 pypdf: Possible long runtimes for partially malformed FlateDecode streams (Follow-up)
- CVE-2026-102998 pypdf: Possible long runtimes when generating appearance streams
- CVE-2026-102999 pypdf: Possible long runtimes with large amount of embedded files
- CVE-2026-103000 pypdf: Possible large memory usage when retrieving alphabetical page labels
- CVE-2026-59935 pypdf: Possible infinite loop for not terminated inline images (ASCII85 and ASCIIHex filter)
- CVE-2026-59936 pypdf: Possible infinite loop for not terminated inline images
- CVE-2026-84309 pypdf: Possible infinite loop for TreeObject.insert_child
- CVE-2026-82398 pypdf: Inefficient handling of non-whitespace inputs in read_until_whitespace
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