Infinite loop

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 Infinite loop through the addarticlesthread method in PdfWriter when processing PDF thread/article structures. An attacker can...

GHSA-WJCC-CQ79-P63F Possible Infinite Loop when PdfWriter(clone_from) is used with a PDF

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. That is, for example, the case when the pypdf-user manipulates an incomi...

Unchecked Return Value to NULL Pointer Dereference in PDFDocumentHandler.cpp

Impact The package muhammara before 2.6.0; all versions of package hummus are vulnerable to Denial of Service DoS when supplied with a maliciously crafted PDF file to be appended to another. Patches It has been patched in 2.6.0 for muhammara and not at all for hummus Workarounds Do not process...