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Ubuntu 22.04 LTS USN-6176-1 Critical PyPDF2 Denial Of Service

ubuntu
Calendar Grey June 19, 2023
Dist Ubuntu Esm H88
The PyPDF2 library may experience crashes when processing specially designed files. To prevent this denial of service vulnerability, ensure your Ubuntu system is fully updated.
PyPDF2 could be made to crash if it opened a specially crafted file.

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 certain PDF files. 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%20covered

Topics Covered

security advisory denial of service critical software update Ubuntu vulnerability pypdf2

Update Instructions

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

Ubuntu 22.04 LTS:
   python3-pypdf2                  1.26.0-4ubuntu0.22.04.1

Ubuntu 20.04 LTS:
   python-pypdf2                   1.26.0-3ubuntu1.20.04.1
   python3-pypdf2                  1.26.0-3ubuntu1.20.04.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   python-pypdf2                   1.26.0-2ubuntu0.1~esm1
   python3-pypdf2                  1.26.0-2ubuntu0.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   python-pypdf2                   1.25.1-1ubuntu0.1~esm1
   python3-pypdf2                  1.25.1-1ubuntu0.1~esm1

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

References

https://ubuntu.com/security/notices/USN-6176-1

CVE-2022-24859

Severity
critical
Lowest
Low
Medium
High
Critical

June 19, 2023

Topics%20covered

Topics Covered

security advisory denial of service critical software update Ubuntu vulnerability pypdf2

Package Information

https://launchpad.net/ubuntu/+source/pypdf2/1.26.0-4ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/pypdf2/1.26.0-3ubuntu1.20.04.1

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