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==========================================================================
Ubuntu Security Notice USN-4333-2
April 30, 2020

python3.8 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Python.

Software Description:
- python3.8: Interactive high-level object-oriented language (version 3.8)

Details:

USN-4333-1 fixed vulnerabilities in Python. This update provides
the corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

 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)

Update instructions:

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

Ubuntu 20.04 LTS:
  python3.8                       3.8.2-1ubuntu1.1
  python3.8-minimal               3.8.2-1ubuntu1.1

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

References:
  https://usn.ubuntu.com/4333-2
  https://usn.ubuntu.com/4333-1
  CVE-2019-18348, CVE-2020-8492

Package Information:
  https://launchpad.net/ubuntu/+source/python3.8/3.8.2-1ubuntu1.1

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