CWE
93
Advisory Published

USN-4333-1: Python vulnerabilities

First published: Tue Apr 21 2020(Updated: )

It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. (CVE-2019-18348) It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-8492)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/python3.7<3.7.5-2~19.10ubuntu1
3.7.5-2~19.10ubuntu1
Ubuntu Ubuntu=19.10
All of
ubuntu/python3.7-minimal<3.7.5-2~19.10ubuntu1
3.7.5-2~19.10ubuntu1
Ubuntu Ubuntu=19.10
All of
ubuntu/python2.7<2.7.17-1~18.04ubuntu1
2.7.17-1~18.04ubuntu1
Ubuntu Ubuntu=18.04
All of
ubuntu/python2.7-minimal<2.7.17-1~18.04ubuntu1
2.7.17-1~18.04ubuntu1
Ubuntu Ubuntu=18.04
All of
ubuntu/python3.6<3.6.9-1~18.04ubuntu1
3.6.9-1~18.04ubuntu1
Ubuntu Ubuntu=18.04
All of
ubuntu/python3.6-minimal<3.6.9-1~18.04ubuntu1
3.6.9-1~18.04ubuntu1
Ubuntu Ubuntu=18.04
All of
ubuntu/python2.7<2.7.12-1ubuntu0~16.04.11
2.7.12-1ubuntu0~16.04.11
Ubuntu Ubuntu=16.04
All of
ubuntu/python2.7-minimal<2.7.12-1ubuntu0~16.04.11
2.7.12-1ubuntu0~16.04.11
Ubuntu Ubuntu=16.04
All of
ubuntu/python3.5<3.5.2-2ubuntu0~16.04.10
3.5.2-2ubuntu0~16.04.10
Ubuntu Ubuntu=16.04
All of
ubuntu/python3.5-minimal<3.5.2-2ubuntu0~16.04.10
3.5.2-2ubuntu0~16.04.10
Ubuntu Ubuntu=16.04
All of
ubuntu/python2.7<2.7.6-8ubuntu0.6+esm5
2.7.6-8ubuntu0.6+esm5
Ubuntu Ubuntu=14.04
All of
ubuntu/python2.7-minimal<2.7.6-8ubuntu0.6+esm5
2.7.6-8ubuntu0.6+esm5
Ubuntu Ubuntu=14.04
All of
ubuntu/python3.4<3.4.3-1ubuntu1~14.04.7+esm6
3.4.3-1ubuntu1~14.04.7+esm6
Ubuntu Ubuntu=14.04
All of
ubuntu/python3.4-minimal<3.4.3-1ubuntu1~14.04.7+esm6
3.4.3-1ubuntu1~14.04.7+esm6
Ubuntu Ubuntu=14.04
All of
ubuntu/python2.7<2.7.3-0ubuntu3.17
2.7.3-0ubuntu3.17
Ubuntu Ubuntu=12.04
All of
ubuntu/python2.7-minimal<2.7.3-0ubuntu3.17
2.7.3-0ubuntu3.17
Ubuntu Ubuntu=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for the Python vulnerabilities?

    The vulnerability ID for the Python vulnerabilities is CVE-2019-18348.

  • What is the impact of the Python vulnerabilities?

    The Python vulnerabilities could allow a remote attacker to perform CRLF injection and cause a denial of service.

  • Which versions of Python are affected by the vulnerabilities?

    The vulnerabilities affect Python versions 2.7, 3.4, 3.5, 3.6, and 3.7.

  • How can I fix the Python vulnerabilities?

    To fix the Python vulnerabilities, update your Python packages to the specified remedial versions.

  • Where can I find more information about the Python vulnerabilities?

    You can find more information about the Python vulnerabilities in the provided references.

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