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Ubuntu 22.04 LTS: USN-6280-1 Moderate: PyPDF2 Denial Of Service

ubuntu
Calendar Grey August 14, 2023
Dist Ubuntu Esm H88
Ubuntu 22.04 to 16.04 LTS vulnerable due to pypdf2 exploit from malicious files. Urgent system patches needed.
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 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%20covered

Topics Covered

security advisory denial of service system update ubuntu pypdf2

Update Instructions

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

Ubuntu 22.04 LTS:
   python3-pypdf2                  1.26.0-4ubuntu0.22.04.2

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

Ubuntu Security Notice USN-6280-1

Topics%20covered

Topics Covered

security advisory denial of service system update ubuntu pypdf2

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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