PT-2026-59647

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. Patches This has been fixed in pypdf==6.12.1. Workarounds If you cannot upgrade yet, consider applying the change...

pypdf: Manipulated FlateDecode image dimensions can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing an image using /FlateDecode with large size values. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot upgrade yet, consider applying the changes fro...

Allocation of Resources Without Limits or Throttling

Overview pypdf is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the decompressed size for the FlateDecode filter. An attacker can caus...