Ubuntu 22.04 LTS: USN-6280-1 Moderate: PyPDF2 Denial Of Service
ubuntu
August 14, 2023
PyPDF2 could be made to crash if it opened a specially crafted file.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: PyPDF2 could be made to crash if it opened a specially crafted file. Software Description: - pypdf2: Pure-Python library built as a PDF toolkit (Python 3) 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.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: python3-pypdf2 1.26.0-4ubuntu0.22.04.2 Ubuntu 20.04 LTS: python-pypdf2 1.26.0-3ubuntu1.20.04.2 python3-pypdf2 1.26.0-3ubuntu1.20.04.2 Ubuntu 18.04 LTS (Available with Ubuntu Pro): python-pypdf2 1.26.0-2ubuntu0.1~esm2 python3-pypdf2 1.26.0-2ubuntu0.1~esm2 Ubuntu 16.04 LTS (Available with Ubuntu Pro): python-pypdf2 1.25.1-1ubuntu0.1~esm2 python3-pypdf2 1.25.1-1ubuntu0.1~esm2 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6280-1
CVE-2023-36810
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Ubuntu Security Notice USN-6280-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/pypdf2/1.26.0-4ubuntu0.22.04.2 https://launchpad.net/ubuntu/+source/pypdf2/1.26.0-3ubuntu1.20.04.2
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