USN-6280-1: PyPDF2 vulnerability

Publication date

10 August 2023

Overview

PyPDF2 could be made to crash if it opened a specially crafted file.


Packages

  • pypdf2 - Pure-Python library built as a PDF toolkit (Python 2)

Details

It was discovered that PyPDF2 incorrectly handled PDF files with certain
markers. If a user or automated system were tricked into processing a
specially crafted file, an attacker could possibly use this issue to
consume system resources, resulting in a denial of service.

It was discovered that PyPDF2 incorrectly handled PDF files with certain
markers. If a user or automated system were tricked into processing a
specially crafted file, an attacker could possibly use this issue to
consume system resources, resulting in a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy python3-pypdf2 –  1.26.0-4ubuntu0.22.04.2
20.04 focal python-pypdf2 –  1.26.0-3ubuntu1.20.04.2
python3-pypdf2 –  1.26.0-3ubuntu1.20.04.2
18.04 bionic python-pypdf2 –  1.26.0-2ubuntu0.1~esm2  
python3-pypdf2 –  1.26.0-2ubuntu0.1~esm2  
16.04 xenial python-pypdf2 –  1.25.1-1ubuntu0.1~esm2  
python3-pypdf2 –  1.25.1-1ubuntu0.1~esm2  

Reduce your security exposure

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