CVE-2023-46250

CVE-2023-46250, GHSA-wjcc-cq79-p63f

pypi/PyPDF2

Loop with Unreachable Exit Condition ('Infinite Loop')

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 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 incoming malicious PDF e.g. by merging it with another PDF or by adding annotations. The issue was fixed in version 3.17.0. As a workaround, apply the patch manually by modifying pypdf/generic/_data_structures.py.

All versions starting from 3.7.0 before 3.17.0

Unfortunately, there is no solution available yet.

2023-11-09