Advisory Published

USN-6354-1: Python vulnerability

First published: Thu Sep 07 2023(Updated: )

It was discovered that Python did not properly handle XML entity declarations in plist files. An attacker could possibly use this vulnerability to perform an XML External Entity (XXE) injection, resulting in a denial of service or information disclosure.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libpython2.7<2.7.17-1~18.04ubuntu1.13+esm1
2.7.17-1~18.04ubuntu1.13+esm1
=18.04
All of
ubuntu/libpython2.7-stdlib<2.7.17-1~18.04ubuntu1.13+esm1
2.7.17-1~18.04ubuntu1.13+esm1
=18.04
All of
ubuntu/python2.7<2.7.17-1~18.04ubuntu1.13+esm1
2.7.17-1~18.04ubuntu1.13+esm1
=18.04
All of
ubuntu/python2.7-minimal<2.7.17-1~18.04ubuntu1.13+esm1
2.7.17-1~18.04ubuntu1.13+esm1
=18.04
All of
ubuntu/libpython2.7<2.7.12-1ubuntu0~16.04.18+esm6
2.7.12-1ubuntu0~16.04.18+esm6
=16.04
All of
ubuntu/libpython2.7-stdlib<2.7.12-1ubuntu0~16.04.18+esm6
2.7.12-1ubuntu0~16.04.18+esm6
=16.04
All of
ubuntu/libpython3.5<3.5.2-2ubuntu0~16.04.13+esm9
3.5.2-2ubuntu0~16.04.13+esm9
=16.04
All of
ubuntu/libpython3.5-stdlib<3.5.2-2ubuntu0~16.04.13+esm9
3.5.2-2ubuntu0~16.04.13+esm9
=16.04
All of
ubuntu/python2.7<2.7.12-1ubuntu0~16.04.18+esm6
2.7.12-1ubuntu0~16.04.18+esm6
=16.04
All of
ubuntu/python2.7-minimal<2.7.12-1ubuntu0~16.04.18+esm6
2.7.12-1ubuntu0~16.04.18+esm6
=16.04
All of
ubuntu/python3.5<3.5.2-2ubuntu0~16.04.13+esm9
3.5.2-2ubuntu0~16.04.13+esm9
=16.04
All of
ubuntu/python3.5-minimal<3.5.2-2ubuntu0~16.04.13+esm9
3.5.2-2ubuntu0~16.04.13+esm9
=16.04
All of
ubuntu/libpython2.7<2.7.6-8ubuntu0.6+esm16
2.7.6-8ubuntu0.6+esm16
=14.04
All of
ubuntu/libpython2.7-stdlib<2.7.6-8ubuntu0.6+esm16
2.7.6-8ubuntu0.6+esm16
=14.04
All of
ubuntu/python2.7<2.7.6-8ubuntu0.6+esm16
2.7.6-8ubuntu0.6+esm16
=14.04
All of
ubuntu/python2.7-minimal<2.7.6-8ubuntu0.6+esm16
2.7.6-8ubuntu0.6+esm16
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is USN-6354-1.

  • What is the severity of USN-6354-1?

    The severity of USN-6354-1 is not specified in the provided information.

  • Which software is affected by USN-6354-1?

    The software affected by USN-6354-1 includes libpython2.7, libpython2.7-stdlib, python2.7, python2.7-minimal, libpython3.5, libpython3.5-stdlib, python3.5, python3.5-minimal, libpython2.7, libpython2.7-stdlib, python2.7, and python2.7-minimal.

  • How can an attacker exploit USN-6354-1?

    An attacker could exploit USN-6354-1 by performing an XML External Entity (XXE) injection using XML entity declarations in plist files.

  • How do I fix USN-6354-1?

    To fix USN-6354-1, you should update the affected software to the version mentioned in the provided information.

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